The atmosphere of Earth is a layer of gases surrounding the planet Earth that is retained by Earth's gravity. The atmosphere protects life on Earth by absorbing ultraviolet solar radiation, warming the surface through heat retention (greenhouse effect), and reducing temperature extremes between day and night (the diurnal temperature variation).

Atmospheric stratification describes the structure of the atmosphere, dividing it into distinct layers, each with specific characteristics such as temperature or composition. The atmosphere has a mass of about 5 kg, three quarters of which is within about of the surface. The atmosphere becomes thinner and thinner with increasing altitude, with no definite boundary between the atmosphere and outer space. An altitude of is where atmospheric effects become noticeable during atmospheric reentry of spacecraft. The Kármán line, at , also is often regarded as the boundary between atmosphere and outer space.

Air is the name given to atmosphere used in breathing and photosynthesis. Dry air contains roughly (by volume) 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.039% carbon dioxide, and small amounts of other gases. Air also contains a variable amount of water vapor, on average around 1%. While air content and atmospheric pressure varies at different layers, air suitable for the survival of terrestrial plants and terrestrial animals is currently only known to be found in Earth's troposphere and artificial atmospheres.

Composition

Air is mainly composed of nitrogen, oxygen, and argon, which together constitute the major gases of the atmosphere. The remaining gases are often referred to as trace gases, among which are the greenhouse gases such as water vapor, carbon dioxide, methane, nitrous oxide, and ozone. Filtered air includes trace amounts of many other chemical compounds. Many natural substances may be present in tiny amounts in an unfiltered air sample, including dust, pollen and spores, sea spray, and volcanic ash. Various industrial pollutants also may be present, such as chlorine (elementary or in compounds), fluorine compounds, elemental mercury, and sulfur compounds such as sulfur dioxide [SO₂].

+Composition of dry atmosphere, by volume	colspan=2 style="font-size: 85%"
style="text-align:left;"	Gas	Volume
Nitrogen (N2)	780,840 ppmv (78.084%)
Oxygen (O2)	209,460 ppmv (20.946%)
Argon (Ar)	9,340 ppmv (0.9340%)
Carbon dioxide (CO2)	390 ppmv (0.039%)
Neon (Ne)	18.18 ppmv (0.001818%)
Helium (He)	5.24 ppmv (0.000524%)
Methane (CH4)	1.79 ppmv (0.000179%)
Krypton (Kr)	1.14 ppmv (0.000114%)
Hydrogen (H2)	0.55 ppmv (0.000055%)
Nitrous oxide (N2O)	0.3 ppmv (0.00003%)
Carbon monoxide (CO)	0.1 ppmv (0.00001%)
Xenon (Xe)	0.09 ppmv (9%) (0.000009%)
Ozone (O3)	0.0 to 0.07 ppmv (0 to 7%)
Nitrogen dioxide (NO2)	0.02 ppmv (2%) (0.000002%)
Iodine (I2)	0.01 ppmv (1%) (0.000001%)
Ammonia (NH3)	trace
Colspan=2	Not included in above dry atmosphere:
Water vapor (H2O)	~0.40% over full atmosphere, typically 1%-4% at surface

Structure of the atmosphere

Principal layers

In general, air pressure and density decrease in the atmosphere as height increases. However, temperature has a more complicated profile with altitude. Because the general pattern of this profile is constant and recognizable through means such as balloon soundings, temperature provides a useful metric to distinguish between atmospheric layers. In this way, Earth's atmosphere can be divided into five main layers. From highest to lowest, these layers are:

Exosphere

The outermost layer of Earth's atmosphere extends from the exobase upward. It is mainly composed of hydrogen and helium. The particles are so far apart that they can travel hundreds of kilometers without colliding with one another. Since the particles rarely collide, the atmosphere no longer behaves like a fluid. These free-moving particles follow ballistic trajectories and may migrate into and out of the magnetosphere or the solar wind.

Thermosphere

Temperature increases with height in the thermosphere from the mesopause up to the thermopause, then is constant with height. Unlike in the stratosphere, where the inversion is caused by absorption of radiation by ozone, in the thermosphere the inversion is a result of the extremely low density of molecules. The temperature of this layer can rise to , though the gas molecules are so far apart that temperature in the usual sense is not well defined. The air is so rarefied, that an individual molecule (of oxygen, for example) travels an average of 1 kilometer between collisions with other molecules. The International Space Station orbits in this layer, between . Because of the relative infrequency of molecular collisions, air above the mesopause is poorly mixed compared to air below. While the composition from the troposphere to the mesosphere is fairly constant, above a certain point, air is poorly mixed and becomes compositionally stratified. The point dividing these two regions is known as the turbopause. The region below is the homosphere, and the region above is the heterosphere. The top of the thermosphere is the bottom of the exosphere, called the exobase. Its height varies with solar activity and ranges from about .

Mesosphere

The mesosphere extends from the stratopause to . It is the layer where most meteors burn up upon entering the atmosphere. Temperature decreases with height in the mesosphere. The mesopause, the temperature minimum that marks the top of the mesosphere, is the coldest place on Earth and has an average temperature around . At the mesopause, temperatures may drop to . Due to the cold temperature of the mesosphere, water vapor is frozen, forming ice clouds (or Noctilucent clouds). A type of lightning referred to as either sprites or ELVES, form many miles above thunderclouds in the troposphere.

Stratosphere

The stratosphere extends from the tropopause to about . Temperature increases with height due to increased absorption of ultraviolet radiation by the ozone layer, which restricts turbulence and mixing. While the temperature may be at the tropopause, the top of the stratosphere is much warmer, and may be near freezing. The stratopause, which is the boundary between the stratosphere and mesosphere, typically is at . The pressure here is 1/1000 sea level.

Troposphere

The troposphere begins at the surface and extends to between at the poles and at the equator, with some variation due to weather. The troposphere is mostly heated by transfer of energy from the surface, so on average the lowest part of the troposphere is warmest and temperature decreases with altitude. This promotes vertical mixing (hence the origin of its name in the Greek word "τροπή", ''trope'', meaning turn or overturn). The troposphere contains roughly 80% of the mass of the atmosphere. The tropopause is the boundary between the troposphere and stratosphere.

Other layers

Within the five principal layers determined by temperature are several layers determined by other properties.

The ozone layer is contained within the stratosphere. In this layer ozone concentrations are about 2 to 8 parts per million, which is much higher than in the lower atmosphere but still very small compared to the main components of the atmosphere. It is mainly located in the lower portion of the stratosphere from about , though the thickness varies seasonally and geographically. About 90% of the ozone in our atmosphere is contained in the stratosphere.

The ionosphere, the part of the atmosphere that is ionized by solar radiation, stretches from and typically overlaps both the exosphere and the thermosphere. It forms the inner edge of the magnetosphere. It has practical importance because it influences, for example, radio propagation on the Earth. It is responsible for auroras.

The homosphere and heterosphere are defined by whether the atmospheric gases are well mixed. In the homosphere the chemical composition of the atmosphere does not depend on molecular weight because the gases are mixed by turbulence. The homosphere includes the troposphere, stratosphere, and mesosphere. Above the ''turbopause'' at about (essentially corresponding to the mesopause), the composition varies with altitude. This is because the distance that particles can move without colliding with one another is large compared with the size of motions that cause mixing. This allows the gases to stratify by molecular weight, with the heavier ones such as oxygen and nitrogen present only near the bottom of the heterosphere. The upper part of the heterosphere is composed almost completely of hydrogen, the lightest element.

The planetary boundary layer is the part of the troposphere that is nearest the Earth's surface and is directly affected by it, mainly through turbulent diffusion. During the day the planetary boundary layer usually is well-mixed, while at night it becomes stably stratified with weak or intermittent mixing. The depth of the planetary boundary layer ranges from as little as about 100 m on clear, calm nights to 3000 m or more during the afternoon in dry regions.

The average temperature of the atmosphere at the surface of Earth is or , depending on the reference.

Physical properties

Pressure and thickness

The average atmospheric pressure at sea level is about 1 atmosphere (atm) = 101.3 kPa (kilopascals) = 14.7 psi (pounds per square inch) = 760 torr = 29.92 inches of mercury (symbol Hg). Total atmospheric mass is 5.1480×10¹⁸ kg (1.135×10¹⁹ lb), about 2.5% less than would be inferred from the average sea level pressure and the Earth's area of 51007.2 megahectares, this portion being displaced by the Earth's mountainous terrain. Atmospheric pressure is the total weight of the air above unit area at the point where the pressure is measured. Thus air pressure varies with location and weather.

If atmospheric density were to remain constant with height the atmosphere would terminate abruptly at . Instead, density decreases with height, dropping by 50% at an altitude of about . As a result the pressure decrease is approximately exponential with height, so that pressure decreases by a factor of two approximately every and by a factor of ''e'' = 2.718… approximately every , the latter being the average scale height of Earth's atmosphere below . However, because of changes in temperature, average molecular weight, and gravity throughout the atmospheric column, the dependence of atmospheric pressure on altitude is modeled by separate equations for each of the layers listed above. Even in the exosphere, the atmosphere is still present. This can be seen by the effects of atmospheric drag on satellites.

In summary, the equations of pressure by altitude in the above references can be used directly to estimate atmospheric thickness. However, the following published data are given for reference: 50% of the atmosphere by mass is below an altitude of . 90% of the atmosphere by mass is below an altitude of . The common altitude of commercial airliners is about and Mt. Everest's summit is above sea level. 99.99997% of the atmosphere by mass is below , although in the rarefied region above this there are auroras and other atmospheric effects. The highest X-15 plane flight in 1963 reached an altitude of .

Density and mass

The density of air at sea level is about 1.2  kg/m³ (1.2 g/L). Density is not measured directly but is calculated from measurements of temperature, pressure and humidity using the equation of state for air (a form of the ideal gas law). Atmospheric density decreases as the altitude increases. This variation can be approximately modeled using the barometric formula. More sophisticated models are used to predict orbital decay of satellites.

The average mass of the atmosphere is about 5 quadrillion (5) tonnes or 1/1,200,000 the mass of Earth. According to the American National Center for Atmospheric Research, "The total mean mass of the atmosphere is 5.1480 kg with an annual range due to water vapor of 1.2 or 1.5 kg depending on whether surface pressure or water vapor data are used; somewhat smaller than the previous estimate. The mean mass of water vapor is estimated as 1.27 kg and the dry air mass as 5.1352 ±0.0003 kg."

Optical properties

Solar radiation (or sunlight) is the energy the Earth receives from the Sun. The Earth also emits radiation back into space, but at longer wavelengths that we cannot see. Part of the incoming and emitted radiation is absorbed or reflected by the atmosphere.

Scattering

When light passes through our atmosphere, photons interact with it through ''scattering''. If the light does not interact with the atmosphere, it is called ''direct radiation'' and is what you see if you were to look directly at the Sun. ''Indirect radiation'' is light that has been scattered in the atmosphere. For example, on an overcast day when you cannot see your shadow there is no direct radiation reaching you, it has all been scattered. As another example, due to a phenomenon called Rayleigh scattering, shorter (blue) wavelengths scatter more easily than longer (red) wavelengths. This is why the sky looks blue, you are seeing scattered blue light. This is also why sunsets are red. Because the Sun is close to the horizon, the Sun's rays pass through more atmosphere than normal to reach your eye. Much of the blue light has been scattered out, leaving the red light in a sunset.

Absorption

Different molecules absorb different wavelengths of radiation. For example, O₂ and O₃ absorb almost all wavelengths shorter than 300 nanometers. Water (H₂O) absorbs many wavelengths above 700 nm. When a molecule absorbs a photon, it increases the energy of the molecule. We can think of this as heating the atmosphere, but the atmosphere also cools by emitting radiation, as discussed below.

The combined absorption spectra of the gases in the atmosphere leave "windows" of low opacity, allowing the transmission of only certain bands of light. The optical window runs from around 300 nm (ultraviolet-C) up into the range humans can see, the visible spectrum (commonly called light), at roughly 400–700 nm and continues to the infrared to around 1100 nm. There are also infrared and radio windows that transmit some infrared and radio waves at longer wavelengths. For example, the radio window runs from about one centimeter to about eleven-meter waves.

Emission

''Emission'' is the opposite of absorption, it is when an object emits radiation. Objects tend to emit amounts and wavelengths of radiation depending on their "black body" emission curves, therefore hotter objects tend to emit more radiation, with shorter wavelengths. Colder objects emit less radiation, with longer wavelengths. For example, the Sun is approximately , its radiation peaks near 500 nm, and is visible to the human eye. The Earth is approximately , so its radiation peaks near 10,000 nm, and is much too long to be visible to humans.

Because of its temperature, the atmosphere emits infrared radiation. For example, on clear nights the Earth's surface cools down faster than on cloudy nights. This is because clouds (H₂O) are strong absorbers and emitters of infrared radiation. This is also why it becomes colder at night at higher elevations. The atmosphere acts as a "blanket" to limit the amount of radiation the Earth loses into space.

The ''greenhouse effect'' is directly related to this absorption and emission (or "blanket") effect. Some chemicals in the atmosphere absorb and emit infrared radiation, but do not interact with sunlight in the visible spectrum. Common examples of these chemicals are CO₂ and H₂O. If there are too much of these ''greenhouse gases'', sunlight heats the Earth's surface, but the gases block the infrared radiation from exiting back to space. This imbalance causes the Earth to warm, and thus climate change.

Refractive index

The refractive index of air is close to, but just greater than 1. Systematic variations in refractive index can lead to the bending of light rays over long optical paths. One example is that, under some circumstances, observers onboard ships can see other vessels just over the horizon because light is refracted in the same direction as the curvature of the Earth's surface.

The refractive index of air depends on temperature, giving rise to refraction effects when the temperature gradient is large. An example of such effects is the mirage.

Circulation

''Atmospheric circulation'' is the large-scale movement of air through the troposphere, and the means (with ocean circulation) by which heat is distributed around the Earth. The large-scale structure of the atmospheric circulation varies from year to year, but the basic structure remains fairly constant as it is determined by the Earth's rotation rate and the difference in solar radiation between the equator and poles.

Evolution of Earth's atmosphere

Earliest atmosphere

The outgassings of the Earth were stripped away by solar winds early in the history of the planet until a steady state was established, the first atmosphere. Based on today's volcanic evidence, this atmosphere would have contained 60% hydrogen, 20% oxygen (mostly in the form of water vapor), 10% carbon dioxide, 5 to 7% hydrogen sulfide, and smaller amounts of nitrogen, carbon monoxide, free hydrogen, methane and inert gases.

A major rainfall led to the buildup of a vast ocean, enriching the other agents, first carbon dioxide and later nitrogen and inert gases. A major part of carbon dioxide exhalations were soon dissolved in water and built up carbonate sediments.

Second atmosphere

Water-related sediments have been found dating from as early as 3.8 billion years ago. About 3.4 billion years ago, nitrogen was the major part of the then stable "second atmosphere". An influence of life has to be taken into account rather soon in the history of the atmosphere, since hints of early life forms are to be found as early as 3.5 billion years ago. The fact that this is not perfectly in line with the 30% lower solar radiance (compared to today) of the early Sun has been described as the "faint young Sun paradox".

The geological record however shows a continually relatively warm surface during the complete early temperature record of the Earth with the exception of one cold glacial phase about 2.4 billion years ago. In the late Archaean eon an oxygen-containing atmosphere began to develop, apparently from photosynthesizing algae which have been found as stromatolite fossils from 2.7 billion years ago. The early basic carbon isotopy (isotope ratio proportions) is very much in line with what is found today, suggesting that the fundamental features of the carbon cycle were established as early as 4 billion years ago.

Third atmosphere

The accretion of continents about 3.5 billion years ago added plate tectonics, constantly rearranging the continents and also shaping long-term climate evolution by allowing the transfer of carbon dioxide to large land-based carbonate storages. Free oxygen did not exist until about 1.7 billion years ago and this can be seen with the development of the red beds and the end of the banded iron formations. This signifies a shift from a reducing atmosphere to an oxidising atmosphere. O₂ showed major ups and downs until reaching a steady state of more than 15%. The following time span was the Phanerozoic eon, during which oxygen-breathing metazoan life forms began to appear.

Currently, anthropogenic greenhouse gases are increasing in the atmosphere. According to the Intergovernmental Panel on Climate Change, this increase is the main cause of global warming.

Air pollution

''Air pollution'' is the introduction of chemicals, particulate matter, or biological materials that cause harm or discomfort to organisms into the atmosphere. Stratospheric ozone depletion is believed to be caused by air pollution (chiefly from chlorofluorocarbons).

See also

Aerial perspective

Air glow

Air (music)

Airshed

Atmosphere (for information on atmospheres in general)

Atmospheric dispersion modeling

Atmospheric electricity

Atmospheric models

Atmospheric Radiation Measurement (ARM) (in the U.S.)

Atmospheric stratification

Aviation

Biosphere

Carbon dioxide in the Earth's atmosphere

Compressed air

Environmental impact of aviation

Global dimming

Historical temperature record

Hydrosphere

Hypermobility (travel)

Kyoto Protocol

Lithosphere

Standard Dry Air

COSPAR international reference atmosphere (CIRA)

U.S. Standard Atmosphere

Warm period

Water vapor in Earth's atmosphere

References

External links

NASA atmosphere models

NASA's Earth Fact Sheet

American Geophysical Union: Atmospheric Sciences

Outreach of the GEOmon project See how Earth atmosphere is observed and monitored by an European project that combines many approaches.

Stuff in the Air Find out what the atmosphere contains.

Layers of the Atmosphere

Answers to several questions of curious kids related to Air and Atmosphere

The AMS Glossary of Meteorology

Paul Crutzen Interview Free video of Paul Crutzen Nobel Laureate for his work on decomposition of ozone talking to Harry Kroto Nobel Laureate by the Vega Science Trust.

Slides describing the Earth's modern atmosphere

Category:Atmosphere Category:Atmospheric thermodynamics Air Category:Coolants Category:Dielectric gases Category:Environments Category:Planetary atmospheres

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Coordinates	29°57′53″N90°4′14″N
Airline	China Southern Airlines中国南方航空公司''Zhōngguó Nánfāng Hángkōng Gōngsī
Logo	China Southern Logo.svg
Logo size	250
Fleet size	422
Destinations	121
Iata	CZ
Icao	CSN
Callsign	CHINA SOUTHERN
Parent	China Southern Airlines Co., Ltd.
Founded	1981
Aoc	C4XF535F
Headquarters	Guangzhou, Guangdong, People's Republic of China
Key people
Hubs
Focus cities
Frequent flyer	Sky Pearl Club
Lounge	Sky Pearl Lounge
Alliance	SkyTeam
Website	http://www.csair.com/ }}

China Southern Airlines () (, , ) is an airline headquartered in Baiyun District, Guangzhou, Guangdong Province, People's Republic of China. It is the world's fifth-largest airline measured by passengers carried, and Asia's largest airline in terms of both fleet size and passengers carried. It is also the fourth-largest airline in the world in domestic passenger traffic and the sixth-largest in scheduled domestic passenger-kilometres flown. From its main hubs at Guangzhou Baiyun International Airport and Beijing Capital International Airport, the airline flies to 121 destinations using a fleet of 422 aircraft.

China Southern Airlines was established on July 1, 1988 following the restructuring of the Civil Aviation Administration of China. Since then, the airline acquired and merged with a number of domestic airlines, becoming one of China's "Big Three" airlines (alongside Air China and China Eastern Airlines). China Southern Airlines is a member of SkyTeam. The airlines's logo is a red kapok on a blue vertical tail fin.

In 2010, China Southern Airlines carried 76.5 million domestic and international passengers with an average load factor of 79.2%. The airline reported a net profit of CNY5.8 billion ($883 million) in 2010.

History and development

China Southern Airlines was established in 1988, following the government's decision to split the operating divisions of Civil Aviation Administration of China (CAAC) into separate airlines. The CAAC was restructured in late 1984 and divided into four major airlines, among which was China Southern Airlines, which became a separate identity on July 1, 1988. with operations starting in 1989. Although controlled by the CAAC, China Southern quickly established relationships with Western companies; in 1990, it launched a maintenance joint-venture with Hong Kong-based Hutchison Whampoa and Lockheed called Guangzhou Aircraft Maintenance Engineering Co. (GAMECO). During 1991, six million passengers were carried, and with 38 Boeing jet airliners, China Southern was serving 90 domestic cities and 17 international destinations. In 1992, the airline raised US$537 million in revenue, and posted a $102 million profits; on 17 December 1992, China Southern also signed an order for six Boeing 777s, split between four standard -200 series and two longer-range -200ERs. China Southern, along with a number of Chinese airlines, was granted financial independence during the year, with a resultant drawback being the purchase of fuel and airport fees.

Foreign investments

In 1994, the Chinese government opened the possibility foreign investments in its airlines; China Southern and United Airlines quickly started talks on the matter. To raise its operating standards and distance itself from mostly unprofitable second- and third-tiers domestic airlines, the carrier signed agreements with a number of U.S. carriers regarding staff training and aircraft maintenance, with the ultimate aim of being listed on the . Revenue for the year doubled, although profits did not increase significantly due to the costs associated with the airline's growth.

The first of the six Boeing 777s arrived on 28 December 1995, The following year, China Southern was the first to place its Boeing 777s into non-stop services across the Pacific Ocean, connecting Guangzhou and Los Angeles. Three years later, Boeing 777's were deployed to Sydney and Melbourne. Despite the airline's effort on raising international capacity from the start, domestic traffic made up 80% of the airline's revenue. As a result, it signed a codeshare agreement during the mid-1990s to further increase international traffic.

In order to keep pace with fast developments, China Southern Airlines entered the capital market to optimise its financial structure. The airline is successfully listed on the Hong Kong and New York Stock Exchanges in July 1997, raising $600–$700 million. It followed up in 2003 at the Shanghai Stock Exchange.

Mergers and acquisitions

In July 2000, the CAAC announced that the ten airlines under its direct management will be merged into three airline groups, revolving around Air China, China Eastern Airlines and China Southern itself. On 4 August, China Southern absorbed Zhongyuan Airlines. The following year it acquire China Northern Airlines and China Xinjiang Airlines. In 2004, the merger was completed. As a result, China Southern Airlines became one of the "Big Three" carriers in the country. Since then, it has successively took over shareholding stocks and joined the equity in numerous Chinese carriers. The airline is the major shareholder of Xiamen Airlines (51%) and Chongqing Airlines (60%). It also invests in Sichuan Airlines.

On 29 September 2003, the airline placed an order with Airbus for 4 Trent 700-powered Airbus A330-200s, to be delivered from 2005. This was part of the order placed in April by the China Aviation Supplies Imp. & Exp. Group covering 30 aircraft. The first example was delivered on 28 February 2005, thereby giving China Southern the title of the first mainland Chinese A330 operator. One month earlier, on 28 January 2005, the airline placed a commitment order for 5 Airbus A380-800s, becoming the first Chinese airline to so, with delivery in time for the 2008 Summer Olympics. Ironically, PRC officials also placed an order for 60 7E7s on the same day for six airlines. The aircraft would be delivered between 2008 and 2010. However, due to delivery delays, the aircraft was not delivered in time for the Olympics and as of May 2010, the first of the aircraft are scheduled to arrive sometime in 2011. Boeing used the event to official designate the aircraft the ''Boeing 787''.

On the same day, a China Southern Airlines Boeing 777-200 originating from Guangzhou Baiyun International Airport landed in Taipei, becoming the first mainland Chinese to land in the Republic of China since 1949, when the Kuomintang were involved in the war with the Communist Party of China. The flight carried 234 passengers home after the Lunar New Year. Within three years, in July 2008, a China Southern Airlines Airbus A330 carrying 230 tourists again landed in Taipei. The governments of the two countries agreed to allow directs flights between the countries in June, ending six-decades of limited air travel between the two Chinas. Following the flight, China Southern Airlines Chairman and pilot of the flight, Liu Shaoyong, said, "From today onward, regular commercial flights will replace the rumbling warplanes over the skies of the Taiwan Strait, and relations between the two sides will become better and better. "

On 6 September 2005, China Southern Airlines along with CASGC placed an order for a further 10 Airbus A330 wide-body airliners: 8 A330-300s and 2 A330-200s. Aircraft deliveries were due to begin in December 2007 and continue through 2008. It followed up with another Airbus order on 7 July 2006, when it confirmed a deal covering the purchase of 50 more A320 narrowbodies for delivery from 2009. The order included 13 A319-100s, 20 A320-200s and 17 A321-200s, reportedly worth $3.3 billion at list price. In December 2005, China Southern Airlines along with CASGC, announced an order with Boeing for 9 Boeing 737-700s and 11 Boeing 737-800s.

Recent developments

In June 2006, China Southern Airlines confirmed another order of 3 Boeing 737-700s and 7 Boeing 737-800s. The deliveries would continue through 2010. On 18 October 2006, China Southern Airlines placed an order for 6 Boeing 777 freighters, striding forward a brand new step in its cargo development. The aircraft would be delivered from November 2008 to July 2010.

On 20 August 2007, China Southern Airlines announced its intention for an order of 25 Boeing 737-700s and 30 Boeing 737-800s, which will be delivered from May 2011 to October 2013. It was a mere two months before, on 23 October 2007, China Southern Airlines announced that it had placed an order for 10 additional Airbus A330-200s. The order has a listed price of US$1.677 billion and the aircraft will be delivered from March 2010 to August 2012.

On January 21, 2010, China Southern announced an order for an additional 20 A320-200s scheduled for delivery from 2011 - 2013 due to the falling fuel costs and surging passenger demand.

In March, the Chinese carrier issued new shares in Hong Kong and Shanghai 2010 to raise 10.75 billion yuan ($1.57 billion) in a bid to pay off outstanding loans. In December, CNY810 million ($121.5 million) was injected by China Southern Airlines into its subsidiary Xiamen Airlines to fund its fleet expansion.

In November 2010, China Southern Airlines signed an agreement with Airbus for the purchase of six A330s and 30 A320s-200. The specific variant of A330 is not identified.

On January 11, 2011, China Southern announced a lease for 10 Embraer E-190 to be delivered from the second half of 2011.

On January 27, 2011, China Southern was awarded the four star ranking by Skytrax. It is currently the largest 4 star airline to hold this title.

On June 15, 2011 China Southern made its inaugural flight to Vancouver, Canada opening up a new passenger and trade routes including China Southern Cargo's first flight on on July 5, 2011.

Destinations

China Southern Airlines flies to 169 countries worldwide, including code-share destinations. It maintains a strong presence in the domestic market, with its main hubs being Guangzhou Baiyun International Airport and Beijing Capital International Airport, along with other focus cities in Changchun, Changsha, Dalian, Shenyang, Shenzhen, Ürümqi, Wuhan and Zhengzhou. The airline plans to develop Chongqing and Ürümqi as hubs as well to exploit the domestic market potential.

The airline provides services to 65 international destinations. Most of the international flights link between Guangzhou and world cities. There are also plenty of international flights operated through Beijing, Urumqi (notably to Central Asia) and Dalian (to Japan, South Korea, and Russia). China Southern Airlines has developed an extensive network to Southeast Asia and also becomes the largest Chinese airline to Australia.

Alliance

On August 28, 2004, China Southern Airlines signed a Memorandum of Understanding with the airline alliance SkyTeam. On November 15, 2007, the airline was officially welcomed as the 11th member of SkyTeam, becoming the first mainland Chinese airline to join the global airline alliance, expanding the alliance's presence on mainland China.

Codeshare agreements

The airline has also codeshare agreements with the following airlines (besides SkyTeam members): {| |- |valign="top"|

Asiana Airlines (Star Alliance)

Cathay Pacific (Oneworld)

China Airlines (future SkyTeam member)

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Dragonair (Oneworld)

Garuda Indonesia (future SkyTeam member)

Japan Airlines (Oneworld)

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Malaysia Airlines (future Oneworld member)

Pakistan International Airlines

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Fleet

China Southern Airlines fleet consists of the following aircraft (as of March 2011):

Cargo

China Southern Cargo is the cargo subsidiary of China Southern Airlines. The cargo airline provides services between mainland China and North America, Europe, and Australia, where destinations such as are Amsterdam, Anchorage, Chicago, Frankfurt, Los Angeles, Vancouver, and Vienna are served from its main hub at Shanghai Pudong International Airport, with cargo flights to Amsterdam and Milan from Guangzhou Baiyun International Airport. The cargo subsidiary has joined the SkyTeam Cargo alliance in November 2010.

Services

Cabins

;Premium Economy class China Southern offers Premium Economy class, which is more spacious than Economy class. The seats are , compared to in Economy.

Sky Pearl Club

China Southern Airlines's frequent-flyer program is called ''Sky Pearl Club'' (). The Sky Pearl Club allows its members earn FFP mileage not only flying China Southern domestic segments but also on flights of other SkyTeam member airlines within the SkyTeam global network. Moreover, The Sky Pearl Club members can 'earn and burn' mileage on the partnered Sichuan Airlines and China Airlines' flights. The mileage earned on the above mentioned flights can be counted into Elite Qualifying Mileages (EQM) and Elite Qualifying Segment (EQS), enabling quick access to SkyTeam elite status. Membership of Sky Pearl Club can be divided into two tiers: Sky Pearl Gold Card and Sky Pearl Silver Card.

+ Sky Pearl Club Membership Tiers

!Tier Level

Benefits

:* Elite bonus mileages: 30% of statute mileage

:* Confirmed full fare Economy reservation: 48 hours prior to departure

:* Premium check-in: First Class counter

:* Lounge access: First class Lounge with one companion

:* Extra baggage allowance: 15kg or 1 piece

:* Priority standby and upgrade

:* Flight delays: First class service

:* Exclusive gifts and information

:Elite qualifying mileage (EQM): 80,000 km

:Elite qualifying segments (EQS): 40 designated segments

:* Elite bonus mileages: 15% of Statute Mileage

:* Confirmed full fare economy reservation: 72 hours prior to departure

:* Premium check-in: Business Class counter

:* Lounge access: Business class lounge

:* Extra baggage allowance: 10kg or 1 piece

:* Priority standby and upgrade

:* Flight delays: Business Class service

:* Exclusive gifts and information

:Elite qualifying mileage(EQM): 40,000 km

:Elite qualifying segments(EQS): 20 designated segments

Incidents and accidents

On October 2, 1990, a hijacked Xiamen Airlines Boeing 737 crashed into a China Southern Airlines Boeing 757, killing people in both aircraft. See Guangzhou Baiyun aircraft collision

On November 24, 1992, Flight 3943, a Boeing 737 jetliner (Reg. ), crashed into a hill near Guilin, Guangxi, killing all 141 on board, due to an engine thrust malfunction. On May 8, 1997, Flight 3456, a Boeing 737-300 jetliner (Reg. ), crashed on approach into Shenzhen Bao'an International Airport killing 35, with 9 injured. On August 22, 2006, flight CZ325 from Guangzhou, China to Sydney, Australia had to be turned back to Guangzhou after a note had been found indicating a bomb was on board. The plane was returned to Guangzhou after one hour into the flight. Passengers were interviewed by police for two hours after landing, after which they were allowed back onto the plane to resume their journey. A 39-year-old Australian businessman of Hong Kong origin was arrested after Chinese police matched his handwriting with that of the threatening note found in the lavatory. He was alleged to have told police that he had made the threat because he was lovesick and suffering from depression over a failed relationship, the Xinhua news agency was quoted as saying. On March 7, 2008, an attempt to hijack and crash a flight en route to Beijing from Urumqi was averted when the crew found a 19 year old Turkic woman trying to spill gasoline in the toilet. The pilot made an emergency landing at Lanzhou Airport and two passengers were arrested.

See also

Aviation

Aviation industry in the People's Republic of China

List of airlines of the People's Republic of China

List of airports in the People's Republic of China

List of companies of the People's Republic of China

Transportation in the People's Republic of China

References

External links

China Southern Airlines Global Website

China Southern Airlines

Category:Airlines of the People's Republic of China Category:IATA members Category:Companies based in Guangzhou Category:Central-owned enterprises of the People's Republic of China Category:Warrants issued in Hong Kong Stock Exchange Category:H shares

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Coordinates	29°57′53″N90°4′14″N
airline	Hong Kong Airlines香港航空
logo	Hong Kong Airlines Logo.svg|Hong Kong Airlines logo
logo size	275
fleet size	11 (+103 orders) incl. cargo
iata	HX
icao	CRK
callsign	BAUHINIA
parent	Hainan Airlines (45%)
founded	28 March 2001(as CR Airways)
headquarters	Hong Kong
key people
hubs	Hong Kong International Airport
frequent flyer	Fortune Wings Club
website	www.hongkongairlines.com }}

Hong Kong Airlines (), formerly CR Airways Limited (中富航空有限公司, IATA: N8), is a Hong Kong-based airline, with its main hub at Hong Kong International Airport. The airline operates scheduled regional passenger and cargo services to 10 destinations within the People's Republic of China and Vietnam, including codeshares with its sister airline, Hong Kong Express Airways.

The airline was founded as CR Airways by Robert Yip on 28 March 2001 and began helicopter passenger charter operations with a Sikorsky S-76C+ helicopter. It was Hong Kong's first helicopter operator to receive an Air Operator's Certificate since the Hong Kong Special Administrative Region was established. Chinese carrier Hainan Airlines and Mr Mung Kin Keung took over the airline in 2006 by acquiring a 45 percent and 55 percent holdings in the airline, respectively. The airline officially changed its name to Hong Kong Airlines Limited on 28 November 2006 and introduced a new logo representing a bauhinia flower, a Hong Kong native flower.

History

Robert Yip, the chairman of China Rich Holdings, with business interests in Chinese medicine, internet portal, construction and property development; established CR Airways in Hong Kong on 28 March 2001. The airline received its Air Operator's Certificate (AOC) from the Hong Kong Civil Aviation Department (CAD) with a 12 passenger Sikorsky S-76C+ helicopter in early 2002. It was Hong Kong's third commercial helicopter operator and the first helicopter operator to receive an AOC since Hong Kong became a Special Administrative Region of People's Republic of China.

On 27 June 2003, CR Airways became Hong Kong's third passenger airline after receiving a revised AOC from the Director of Civil Aviation Albert Lam and operated its first passenger flight on the next day. It started passenger charter operations to Laoag, Philippines on 5 July 2003, with a Bombardier CRJ200 leased from GE Capital Aviation Services. In September 2003, the airline applied for traffic rights to operate scheduled passenger services to Laoag and Chinese cities of Jinan, Naning, Meixian and Wenzhou. In addition, Robert Yip sold 40 percent of the airline to his company, China Rich Holdings, for HK$180 million. By March 2004, the airline had added Siem Reap, Cambodia to its charter network.

In April 2005, the Hong Kong Air Transport Licensing Authority (ATLA) granted a five-year licence to transport passengers, cargo and mail to China; the airline was free to apply for traffic rights to 10 cities in China. On 5 July 2005, the airline announced the purchase of two Bombardier CRJ700s from Danish carrier Maersk Air, scheduled to arrive in July and mid-August, respectively. In addition, the airline had signed a Memorandum of Understanding with Boeing for the purchase of 10 Boeing 787 Dreamliners and 30 Boeing 737–800s on 20 December 2005 at a listed price of US$3.28 billion. An executive of the airline had told reporters that some of the Boeing aircraft was from Hainan Airlines' order.

On 27 June 2006, Hainan Airlines purchased a 45 percent holdings of the airline and the holdings would be transferred to Grand China Air, a new holding company of Hainan Airlines. Two months later, Mr Mung Kin Keung acquired the remaining 55 percent of the airline and became the controlling shareholder on 7 August; and its director on 13 August. On 22 September 2006, CR Airways Limited officially changed its name to Hong Kong Airlines Limited and a launch ceremony took place on 28 November. The airline also introduced a new logo, which represents a bauhinia flower, the symbol of Hong Kong where the airline is anchored. The new logo also represents the close relationship between the airline and Hong Kong and its new era in the civil aviation industry. The airline made the biggest aircraft order in its young history on 21 June 2007, by ordering 51 narrow- and wide-body aircraft from European plane maker, Airbus, at an estimated value of US$5.6 billion. The airline's IATA code was changed from N8 to HX on 27 May 2007.

On 24 October 2008, the airline announced plans in preparation for the arrival of the Airbus A330-200 wide-body aircraft, which included personnel and fleet composition. The new aircraft will provide medium haul passenger and cargo services to the Middle East and Australia.

On 8 June 2010, Hong Kong Airlines successfully completed their proving flight from Hong Kong to Beijing and return earning their Air Operating's Certificate for the Airbus A330 operations from HKCAD. Captain Mikey Ng(Malaysian) and Captain Nejad(Iranian) were the first 2 commanders flying the A330-200 for the airline.

On 28 June 2010, schedule flight to Moscow was successfully launched.

Cellphone usage on Hong Kong Airlines flights will soon be allowed between 2009–2010. The service is stated to be provided by OnAir.

On 22 October 2010, Hong Kong Airlines officially joined the IATA.

Destinations

Codeshare agreements

Hong Kong Airlines has codeshare agreements with the following airlines (at July 2011):

Hong Kong Express – Guilin, Guiyang, Haikou, Hanoi, Hangzhou, Nanning, Sanya.

Tianjin Airlines - Tianjin

Hainan Airlines

Fleet

As of July 2011, the Hong Kong Airlines fleet consists of the following aircraft with an average age of 4.9 years:

All passenger aircraft are equipped with video broadcasting system with 20 -wide ceiling- or wall-mounted liquid crystal display (LCD) monitors, with two in Business Class and 18 in Economy Class.

Aircraft orders

On 20 December 2005, the airline signed a Memorandum of Understanding (MOU) with Boeing to acquire 30 Boeing 737–800 aircraft and 10 Boeing 787 aircraft. However, according to the airline's website, there is only a firm order of four Boeing 737–800 aircraft, with no mention of a firm order for the Boeing 787 aircraft.

On 21 June 2007, the airline signed an MOU with Airbus to acquire 30 Airbus A320s, 20 Airbus A330-200s powered by Rolls-Royce Trent 700 engines and one Airbus Corporate Jet. The order was subsequently confirmed with the signing of a firm contract with Airbus on 12 September 2007; and it will be shared between the airline and its sister airline, Hong Kong Express Airways. In December 2008, three of the original order for 20 A330-200s were converted to A330-300s and transferred to Hong Kong International Aviation Leasing. They will be operated by Hong Kong Airlines.

On 4 February 2010, Airbus announced another MoU signed with Hong Kong Airlines to acquire 6 more Airbus A330-200s. These will have Pratt & Whitney PW4000 engines and were originally ordered by Grupo Marsans. At the same time, one of the A330-243s on order was converted to a −343.

At the Farnborough Air Show in July 2010, Airbus announced that Hong Kong Airlines had signed a MoU to convert orders for 15 A330s to A350s and place an additional order for 10 A330-200s. No engine selection for the additional A330s was announced.

At the Paris Air Show in June 2011,Hong Kong Airlines had announced a signed contract for 10 airbus A380's however due to China's anger with the European Union over plans to force all airlines to take part in its carbon-trading scheme,the Chinese government has blocked progress on Airbus’s sale of 10 A380s to Hong Kong Airlines.

Retired

Aircraft that have been in service with Hong Kong Airlines are: Sikorsky S-76C+ helicopter Bombardier CRJ200 Bombardier CRJ700

Loyalty programmes

The Fortune Wings Club is the loyalty programme for Hong Kong Airlines and its sister airlines, including Grand China Air, Grand China Express, Hainan Airlines, Hong Kong Express Airways, Lucky Air and West Air. Membership benefits include air ticket redemption and upgrade; VIP members have additional privileges of dedicated First or Business Class check in counters, lounge access, bonus mileage and extra baggage allowance.

Award

On 23 November 2010, Hong Kong Airlines officially received 4-Star Ranking of Product and Service Quality from Skytrax.

See also

List of airlines of Hong Kong

List of airports in Hong Kong

List of companies of Hong Kong

Transport in Hong Kong

References

External links

Hainan Airlines website

Category:Airlines established in 2001 Category:Airlines of Hong Kong Category:Airlines of the People's Republic of China Category:IATA members Category:Hainan Airlines

de:Hong Kong Airlines fr:Hong Kong Airlines ko:홍콩 항공 it:Hong Kong Airlines he:הונג קונג איירליינס nl:Hong Kong Airlines ja:香港航空 pl:Hong Kong Airlines sv:Hong Kong Airlines vi:Hong Kong Airlines wuu:香港航空 zh-yue:香港航空公司 zh:香港航空

Coordinates	29°57′53″N90°4′14″N
conventional long name	Hong Kong Special Administrative Region of the People's Republic of China although "Hong Kong Special Administrative Region" and "Hong Kong" are also accepted.|groupnote}}

| native_name = 中華人民共和國香港特別行政區 | common_name = Hong Kong | image_flag = Flag of Hong Kong.svg | alt_flag = A flag with a white 5-petalled flower design on solid red background | image_coat = Hong Kong SAR Regional Emblem.svg | alt_coat = A red circular emblem, with a white 5-petalled flower design in the centre, and surrounded by the words "Hong Kong" and "中華人民共和國香港特別行政區" | symbol_type = Emblem | national_anthem = ''March of the Volunteers'' 《義勇軍進行曲》 | image_map = Hong Kong Skyline Restitch - Dec 2007.jpg | map_caption = View at night from Victoria Peak | alt_map = A panorama overlooking the skyscrapers of Hong Kong at night, with Victoria Harbour in the background | image_map2 = Hong Kong Location.svg | map2_width = 250px | alt_map2 = Hong Kong is situated on a peninsula and series of islands on the south coast of China, to the east of the Pearl River Delta and bordered to the north by Guangdong province | official_languages = Chinese, English It does not explicitly specify the standard for "Chinese". While Mandarin written in Simplified Chinese characters are the standards in mainland China, Cantonese and Traditional Chinese characters are the ''de facto'' standards in Hong Kong. ''See also: Bilingualism in Hong Kong''.|group=note}} | languages_type = Spoken languages | languages = Cantonese, English | demonym = Hong Konger | leader_title1 = Chief Executive | leader_name1 = Donald Tsang | leader_title2 = Chief Justice | leader_name2 = Geoffrey Ma | leader_title3 = President of theLegislative Council | leader_name3 = Jasper Tsang | legislature = Legislative Council | government_type = Quasi-presidential autonomous region with limited suffrage | sovereignty_type = Establishment | established_event1 = Treaty of Nanking | established_date1 = 29 August 1842 | established_event2 = Japanese occupation | established_date2 = 25 December 1941 –15 August 1945 | established_event3 = Handover to China | established_date3 = 1 July 1997 | latd= 22 | latm= 16.7 | latNS = N | longd= 114 |longm= 09.533 |longEW = E | area_magnitude = 1 E9 | area_km2 = 1,104 | area_rank = 179th | area_sq_mi = 426 | percent_water = 4.58 (50 km²; 19 mi²) | population_census = 7,061,200 | population_census_year = 2010 | population_density_km2 = 6480 | population_density_sq_mi = 16576 | population_density_rank = 4th | GDP_PPP = $326 billion | GDP_PPP_rank = | GDP_PPP_year = 2010 | GDP_PPP_per_capita = $45,736 | GDP_PPP_per_capita_rank = | GDP_nominal = $225 billion | GDP_nominal_rank = | GDP_nominal_year = 2010 | GDP_nominal_per_capita = $31,590 | GDP_nominal_per_capita_rank = | Gini = 43.4 | Gini_year = 2007 | HDI = 0.862 | HDI_rank = 21st | HDI_year = 2010 | HDI_category = very high | currency = Hong Kong dollar | currency_code = HKD | time_zone = HKT | utc_offset = +8 | date_format = yyyy年m月d日 (Chinese) dd-mm-yyyy (English) | drives_on = left | cctld = .hk and .香港 | calling_code = +852 | nicknames = HK, The 852 }}

pic	Hong Kong in Chinese 2.svg
picsize	100px
c	香港
i
j	hoeng1gong2
y	Hēunggóng
p	Xiānggǎng
w	Hsiang1-kang3
mi
wuu	shian平kaon上
poj	Hiong-kang
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showflag	jyp }}

Hong Kong () is one of two special administrative regions (SARs) of the People's Republic of China (PRC), the other being Macau. A city-state situated on China's south coast and enclosed by the Pearl River Delta and South China Sea, it is renowned for its expansive skyline and deep natural harbour. With a land mass of and a population of seven million people, Hong Kong is one of the most densely populated areas in the world. Hong Kong's population is 95 percent ethnic Chinese and 5 percent from other groups. Hong Kong's Han Chinese majority originate mainly from the cities of Guangzhou and Taishan in the neighbouring Guangdong province.

Hong Kong became a colony of the British Empire after the First Opium War (1839–42). Originally confined to Hong Kong Island, the colony's boundaries were extended in stages to the Kowloon Peninsula in 1860 and then the New Territories in 1898. It was occupied by Japan during the Pacific War, after which the British resumed control until 1997, when China resumed sovereignty. The region espoused minimum government intervention under the ethos of positive non-interventionism during the colonial era. The time period greatly influenced the current culture of Hong Kong, often described as "East meets West", and the educational system, which used to loosely follow the system in England until reforms implemented in 2009.

Under the principle of "one country, two systems", Hong Kong has a different political system from mainland China. Hong Kong's independent judiciary functions under the common law framework. The Basic Law of Hong Kong, its constitutional document, which stipulates that Hong Kong shall have a "high degree of autonomy" in all matters except foreign relations and military defence, governs its political system. Although it has a burgeoning multi-party system, a small-circle electorate controls half of its legislature. An 800-person Election Committee selects the Chief Executive of Hong Kong, the head of government.

As one of the world's leading international financial centres, Hong Kong has a major capitalist service economy characterised by low taxation and free trade, and the currency, Hong Kong dollar, is the ninth most traded currency in the world. The lack of space caused demand for denser constructions, which developed the city to a centre for modern architecture and the world's most vertical city. The dense space also led to a highly developed transportation network with public transport travelling rate exceeding 90 percent, the highest in the world. Hong Kong has numerous high international rankings in various aspects. For instance, its economic freedom, financial and economic competitiveness, quality of life, corruption perception, Human Development Index, etc., are all ranked highly.

Etymology

The name "Hong Kong" is an approximate phonetic rendering of the pronunciation of the spoken Cantonese or Hakka name "香港", meaning "fragrant harbour". Before 1842, the name referred to a small inlet – now Aberdeen Harbour or Little Hong Kong – between the island of Ap Lei Chau and the south side of Hong Kong Island, which was one of the first points of contact between British sailors and local fishermen.

The reference to fragrance may refer to the harbour waters sweetened by the fresh water estuarine influx of the Pearl River, or to the incense from factories lining the coast to the north of Kowloon, which was stored around Aberdeen Harbour for export before the development of Victoria Harbour. In 1842, the Treaty of Nanking was signed, and the name Hong Kong was first recorded on official documents to encompass the entirety of the island.

History

Pre-colonial

Archaeological studies support a human presence in the Chek Lap Kok area from 35,000 to 39,000 years ago, and in Sai Kung Peninsula from 6,000 years ago. Wong Tei Tung and Three Fathoms Cove are the two earliest sites of human habitation in the Palaeolithic period. It is believed the Three Fathom Cove was a river valley settlement and Wong Tei Tung was a lithic manufacturing site. Excavated Neolithic artefacts suggest cultural differences from the Longshan culture in northern China and settlement by the Che people prior to the migration of the Baiyue. Eight petroglyphs were discovered on surrounding islands, which dated to the Shang Dynasty in China.

In 214 BC, Qin Shi Huang, the first emperor of China, conquered the Baiyue tribes in Jiaozhi (modern Liangguang region) and incorporated the territory into imperial China for the first time. Modern Hong Kong is located in Nanhai commandery (modern Nanhai District) and near the ancient capital city Pun Yue. The area was consolidated under the kingdom of Nanyue, founded by general Zhao Tuo in 204 BC after the Qin Dynasty collapsed. When the kingdom was conquered by Emperor Wu of Han in 111 BC, the land was assigned to the Jiaozhi commandery under the Han Dynasty. Archaeological evidence indicates the population increased and early salt production flourished in this time period. Lei Cheng Uk Han Tomb in the Kowloon Peninsula is believed to have been built during the Han Dynasty.

During the Tang Dynasty period, the Guangdong region flourished as a regional trading center. In 736, Emperor Xuanzong of Tang established a military town in Tuen Mun to defend the coastal area in the region. The first village school, Li Ying College, was established around 1075 in the New Territories under the Northern Song Dynasty. During the Mongol invasion in 1276, the Southern Song Dynasty court moved to Fujian, then to Lantau Island and later to Sung Wong Toi (modern Kowloon City), but the child Emperor Huaizong of Song committed suicide by drowning with his officials after being defeated in the Battle of Yamen. Hau Wong, an official of the emperor is still worshipped in Hong Kong today.

The earliest recorded European visitor was Jorge Álvares, a Portuguese explorer who arrived in 1513. After establishing settlements in the region, Portuguese merchants began trading in southern China. At the same time, they invaded and built up military fortifications in Tuen Mun. Military clashes between China and Portugal led to the expulsion of the Portuguese. In the mid-16th century, the Haijin order banned maritime activities and prevented contact with foreigners; it also restricted local sea activity. In 1661–69, the territory was affected by the Great Clearance ordered by Kangxi Emperor, which required the evacuation of the coastal areas of Guangdong. It is recorded that about 16,000 persons from Xin'an County were driven inland, and 1,648 of those who left are said to have returned when the evacuation was rescinded in 1669. What is now the territory of Hong Kong became largely wasteland during the ban. In 1685, Kangxi became the first emperor to open limited trading with foreigners, which started with the Canton territory. He also imposed strict terms for trades such as requiring foreign traders to live in restricted areas, staying only for the trading seasons, banning firearms, and trading with silver only. The East India Company made the first sea venture to China in 1699, and the region's trade with British merchants developed rapidly soon after. In 1711, the company established its first trading post in Canton. By 1773, the British reached a landmark 1,000 chests of opium in Canton with China consuming 2,000 chests annually by 1799.

British colonial era

In 1839, the refusal by Qing Dynasty authorities to import opium resulted in the First Opium War between China and Britain. Hong Kong Island was occupied by British forces on 20 January 1841 and was initially ceded under the Convention of Chuenpee as part of a ceasefire agreement between Captain Charles Elliot and Governor Qishan, but the agreement was never ratified due to a dispute between high ranking officials in both governments. It was not until 29 August 1842 that the island was formally ceded in perpetuity to the United Kingdom under the Treaty of Nanking. The British established a crown colony with the founding of Victoria City the following year.

In 1860, after China's defeat in the Second Opium War, the Kowloon Peninsula and Stonecutter's Island were ceded in perpetuity to Britain under the Convention of Peking.

In 1894, the deadly Third Pandemic of bubonic plague spread from China to Hong Kong, causing 50,000–100,000 deaths.

In 1898, under the terms of the Convention for the Extension of Hong Kong Territory, Britain obtained a 99-year lease of Lantau Island and the adjacent northern lands, which became known as the New Territories. Hong Kong's territory has remained unchanged to the present.

During the first half of the 20th century, Hong Kong was a free port, serving as an entrepôt of the British Empire. The British introduced an education system based on their own model, while the local Chinese population had little contact with the European community of wealthy ''tai-pans'' settled near Victoria Peak.

In conjunction with its military campaign, the Empire of Japan invaded Hong Kong on 8 December 1941. The Battle of Hong Kong ended with British and Canadian defenders surrendering control of the colony to Japan on 25 December. During the Japanese occupation of Hong Kong, civilians suffered widespread food shortages, rationing, and hyper-inflation due to forced exchange of currency for military notes. Through a policy of enforced repatriation of the unemployed to the mainland throughout the period, because of the scarcity of food, the population of Hong Kong had dwindled from 1.6 million in 1941 to 600,000 in 1945, when the United Kingdom resumed control of the colony.

Hong Kong's population recovered quickly as a wave of migrants from China arrived for refuge from the ongoing Chinese Civil War. When the PRC was proclaimed in 1949, more migrants fled to Hong Kong for fear of persecution by the Communist Party. Many corporations in Shanghai and Guangzhou shifted their operations to Hong Kong.

In the 1950s, Hong Kong's rapid industrialisation was driven by textile exports and other expanded manufacturing industries. As the population grew and labour costs remained low, living standards rose steadily. The construction of Shek Kip Mei Estate in 1953 followed a massive slum fire, and marked the beginning of the public housing estate programme designed to cope with the huge influx of immigrants. Trade in Hong Kong accelerated even further when Shenzhen, immediately north of Hong Kong, became a special economic zone of the PRC, and Hong Kong was established as the main source of foreign investment in China. The manufacturing competitiveness gradually declined in Hong Kong due to the development of the manufacturing industry in southern China beginning in the early 1980s. By contrast, the service industry in Hong Kong experienced high rates of growth in the 1980s and 1990s after absorbing workers released from the manufacturing industry.

In 1983, when the United Kingdom reclassified Hong Kong from a British crown colony to a dependent territory, the governments of the United Kingdom and China were already discussing the issue of Hong Kong's sovereignty due to the impending expiry (within two decades) of the lease of the New Territories. In 1984, the Sino-British Joint Declaration – an agreement to transfer sovereignty to the People's Republic of China in 1997 – was signed. It stipulated that Hong Kong would be governed as a special administrative region, retaining its laws and a high degree of autonomy for at least 50 years after the transfer. The Hong Kong Basic Law, which would serve as the constitutional document after the transfer, was ratified in 1990.

Since 1997

On 1 July 1997, the transfer of sovereignty from United Kingdom to the PRC occurred, officially ending 156 years of British colonial rule. Hong Kong became China's first special administrative region, and Tung Chee Hwa took office as the first Chief Executive of Hong Kong. That same year, Hong Kong suffered an economic double blow from the Asian financial crisis and the H5N1 avian influenza. In 2003, Hong Kong was gravely affected by the outbreak of severe acute respiratory syndrome (SARS). The World Health Organization reported 1,755 infected and 299 deaths in Hong Kong. An estimated 380 million Hong Kong dollars (US$48.9 million) in contracts were lost as a result of the epidemic.

On 10 March 2005, Tung Chee Hwa announced his resignation as Chief Executive due to "health problems". Donald Tsang, the Chief Secretary for Administration at the time, entered the 2005 election unopposed and became the second Chief Executive of Hong Kong on 21 June 2005. In 2007, Tsang won the Chief Executive election and continued his second term in office.

In 2009, Hong Kong hosted the fifth East Asian Games, in which nine national teams competed. It was the first and largest international multi-sport event ever held in the territory. Today, Hong Kong continues to serve as an important global financial centre, but faces uncertainty over its future due to the growing mainland China economy, and its relationship with the PRC government in areas such as democratic reform and universal suffrage.

Governance

In accordance with the Sino-British Joint Declaration, and the underlying principle of one country, two systems, Hong Kong has a "high degree of autonomy as a special administrative region in all areas except defence and foreign affairs." The declaration stipulates that the region maintain its capitalist economic system and guarantees the rights and freedoms of its people for at least 50 years beyond the 1997 handover. The guarantees over the territory's autonomy and the individual rights and freedoms are enshrined in a constitution, the Hong Kong Basic Law, which outlines the system of governance of the Hong Kong Special Administrative Region, but which is subject to the interpretation of the Standing Committee of the National People's Congress (NPCSC).

The primary pillars of government are the Executive Council, the civil service, the Legislative Council, and the Judiciary. The Executive Council is headed by the Chief Executive who is elected by the Election Committee and then appointed by the Central People's Government. The civil service is a politically neutral body that implements policies and provides government services, where public servants are appointed based on meritocracy. The Legislative Council has 60 members, half of which are directly elected by universal suffrage by permanent residents of Hong Kong according to five geographical constituencies. The other half, known as functional constituencies, are directly elected by a smaller electorate, which consists of corporate bodies and persons from various stipulated functional sectors. The entire council is headed by the President of the Legislative Council who serves as the speaker. Judges are appointed by the Chief Executive on the recommendation of an independent commission.

The implementation of the Basic Law, including how and when the universal suffrage promised therein is to be achieved, has been a major issue of political debate since the transfer of sovereignty. In 2002, the government's proposed anti-subversion bill pursuant to Article 23 of the Basic Law, which required the enactment of laws prohibiting acts of treason and subversion against the Chinese government, was met with fierce opposition, and eventually shelved. Debate between pro-Beijing groups, which tend to support the Executive branch, and the Pan-democracy camp characterises Hong Kong's political scene, with the latter supporting a faster pace of democratisation, and the principle of one man, one vote.

In 2004, the government failed to gain pan-democrat support to pass its so-called "district council model" for political reform. In 2009, the government reissued the proposals as the "''Consultation Document on the Methods for Selecting the Chief Executive and for Forming the LegCo in 2012''". The document proposed the enlargement of the Election Committee, Hong Kong's electoral college, from 800 members to 1,200 in 2012 and expansion of the legislature from 60 to 70 seats. The 10 new legislative seats would consist of five geographical constituency seats and five functional constituency seats, to be voted in by elected district council members from among themselves. The proposals were destined for rejection by pan-democrats once again, but a significant breakthrough occurred after the Central People's Government accepted a counter-proposal by the Democratic Party. In particular, the Pan-democracy camp was split when the proposal to directly elect five newly created functional seats was not acceptable to two constituent parties. The Democratic Party sided with the government for the first time since the handover and passed the proposals with a vote of 46–12.

Legal system and judiciary

Hong Kong's legal system is completely independent from the legal system of Mainland China. In contrast to mainland China's civil law system, Hong Kong continues to follow the English Common Law tradition established under British rule. Hong Kong's courts may refer to decisions rendered by courts of other common law jurisdictions as precedents, and judges from other common law jurisdictions are allowed to sit as non-permanent judges of the Court of Final Appeal.

Structurally, the court system consists of the Court of Final Appeal, the High Court, which is made up of the Court of Appeal and the Court of First Instance, and the District Court, which includes the Family Court. Other adjudicative bodies include the Lands Tribunal, the Magistrates' Courts, the Juvenile Court, the Coroner's Court, the Labour Tribunal, the Small Claims Tribunal, and the Obscene Articles Tribunal. Justices of the Court of Final Appeal are appointed by Hong Kong's Chief Executive.

The Department of Justice is responsible for handling legal matters for the government. Its responsibilities include providing legal advice, criminal prosecution, civil representation, legal and policy drafting and reform, and international legal cooperation between different jurisdictions. Apart from prosecuting criminal cases, lawyers of the Department of Justice act on behalf of the government in all civil and administrative lawsuits against the government. As protector of the public interest, the department may apply for judicial reviews and may intervene in any cases involving the greater public interest. The Basic Law protects the Department of Justice from any interference by the government when exercising its control over criminal prosecution.

Human rights

In general, Hong Kong is perceived to enjoy a high level of civil liberties. The Hong Kong government generally respect the human rights of the citizens, although core issues remain. There are concerns over the freedom of assembly which is restricted by the Public Order Ordinance. The police has been occasionally accused of using heavy-handed tactics towards protestors and questions are asked towards the extensive powers of the police. As to the right of privacy, covert surveillance remains the major concern. There is a lack of protection for homosexuals due to the absence of a sexual orientation discrimination law. There are also comments regarding a lack of protection for labour rights.

Internet access in Hong Kong is not under the censorship, surveillance, and control of the Great Firewall of China.

Administrative districts

Hong Kong has a unitary system of government; no local government has existed since the two municipal councils were abolished in 2000. As such there is no formal definition for its cities and towns. Administratively, Hong Kong is subdivided into 18 geographic districts, each represented by a district council which advises the government on local matters such as public facilities, community programmes, cultural activities, and environmental improvements.

There are a total of 534 district council seats, 405 of which are elected; the rest are appointed by the Chief Executive and 27 ''ex officio'' chairmen of rural committees. The Home Affairs Department communicates government policies and plans to the public through the district offices.

Military

When Hong Kong was a British colony and later, a dependent territory, defence was provided by the British military under the command of the Governor of Hong Kong who was ''ex officio'' Commander-in-chief. When the PRC assumed sovereignty in 1997, the British barracks were replaced by a garrison of the People's Liberation Army, comprising ground, naval, and air forces, and under the command of the Chinese Central Military Commission.

The Basic Law protects local civil affairs against interference by the garrison, and members of the garrison are subject to Hong Kong laws. The Hong Kong Government remains responsible for the maintenance of public order; however, it may ask the PRC government for help from the garrison in maintaining public order and in disaster relief. The PRC government is responsible for the costs of maintaining the garrison.

Geography and climate

Hong Kong is located on China's south coast, east of Macau on the opposite side of the Pearl River Delta. It is surrounded by the South China Sea on the east, south, and west, and borders the Guangdong city of Shenzhen to the north over the Shenzhen River. The territory's area consists of Hong Kong Island, the Kowloon Peninsula, the New Territories, and over 200 offshore islands, of which the largest is Lantau Island. Of the total area, is land and is inland water. Hong Kong claims territorial waters to a distance of . Its land area makes Hong Kong the 179th largest inhabited territory in the world.

As much of Hong Kong's terrain is hilly to mountainous with steep slopes, less than 25% of the territory's landmass is developed, and about 40% of the remaining land area is reserved as country parks and nature reserves. Most of the territory's urban development exists on Kowloon peninsula, along the northern edge of Hong Kong Island, and in scattered settlements throughout the New Territories. The highest elevation in the territory is at Tai Mo Shan, above sea level. Hong Kong's long and irregular coast provides it with many bays, rivers and beaches.

Despite Hong Kong's reputation of being intensely urbanised, the territory has tried to promote a green environment, and recent growing public concern has prompted the severe restriction of further land reclamation from Victoria Harbour. Awareness of the environment is growing as Hong Kong suffers from increasing pollution compounded by its geography and tall buildings. Approximately 80% of the city's smog originates from other parts of the Pearl River Delta.

Though it is situated just south of the Tropic of Cancer, Hong Kong has a humid subtropical climate (Köppen ''Cwa''). Summer is hot and humid with occasional showers and thunderstorms, and warm air coming from the southwest. Summer is when typhoons are most likely, sometimes resulting in flooding or landslides. Winters are mild and usually start sunny, becoming cloudier towards February; the occasional cold front brings strong, cooling winds from the north. The most temperate seasons are spring, which can be changeable, and autumn, which is generally sunny and dry. Hong Kong averages 1,948 hours of sunshine per year, while the highest and lowest ever recorded temperatures at the Hong Kong Observatory are and , respectively.

Economy

As one of the world's leading international financial centres, Hong Kong has a major capitalist service economy characterised by low taxation and free trade, and the currency, Hong Kong dollar, is the ninth most traded currency in the world. Hong Kong was once described by Milton Friedman as the world’s greatest experiment in laissez-faire capitalism. It maintains a highly developed capitalist economy, ranked the freest in the world by the Index of Economic Freedom for 15 consecutive years. It is an important centre for international finance and trade, with one of the greatest concentrations of corporate headquarters in the Asia-Pacific region, and is known as one of the Four Asian Tigers for its high growth rates and rapid development from the 1960s to the 1990s. Between 1961 and 1997 Hong Kong's gross domestic product grew 180 times while per-capita GDP increased 87 times over.

The Hong Kong Stock Exchange is the seventh largest in the world, with a market capitalisation of US$2.3 trillion as of December 2009. In that year, Hong Kong raised 22 percent of worldwide initial public offering (IPO) capital, making it the largest centre of IPOs in the world. Hong Kong's currency is the Hong Kong dollar, which has been pegged to the U.S. dollar since 1983.

The Hong Kong Government has traditionally played a mostly passive role in the economy, with little by way of industrial policy and almost no import or export controls. Market forces and the private sector were allowed to determine practical development. Under the official policy of "positive non-interventionism", Hong Kong is often cited as an example of laissez-faire capitalism. Following the Second World War, Hong Kong industrialised rapidly as a manufacturing centre driven by exports, and then underwent a rapid transition to a service-based economy in the 1980s.

Hong Kong matured to become a financial centre in the 1990s, but was greatly affected by the Asian financial crisis in 1998, and again in 2003 by the SARS outbreak. A revival of external and domestic demand has led to a strong recovery, as cost decreases strengthened the competitiveness of Hong Kong exports and a long deflationary period ended. Government intervention, initiated by the later colonial governments and continued since 1997, has steadily increased, with the introduction of export credit guarantees, a compulsory pension scheme, a minimum wage, anti-discrimination laws, and a state mortgage backer.

The territory has little arable land and few natural resources, so it imports most of its food and raw materials. Hong Kong is the world's eleventh largest trading entity, with the total value of imports and exports exceeding its gross domestic product. It is the world's largest re-export centre. Much of Hong Kong's exports consist of re-exports, which are products made outside of the territory, especially in mainland China, and distributed via Hong Kong. Even before the transfer of sovereignty, Hong Kong had established extensive trade and investment ties with the mainland, which now enable it to serve as a point of entry for investment flowing into the mainland. At the end of 2007, there were 3.46 million people employed full-time, with the unemployment rate averaging 4.1% for the fourth straight year of decline. Hong Kong's economy is dominated by the service sector, which accounts for over 90% of its GDP, while industry constitutes 9%. Inflation was at 2.5% in 2007. Hong Kong's largest export markets are mainland China, the United States, and Japan.

As of 2010, Hong Kong is the eighth most expensive city for expatriates, falling from fifth position in the previous year. In 2011, Hong Kong was ranked second in the Ease of Doing Business Index, behind Singapore. General principle No. 5 of the Basic Law of the SAR suggests that the CPC expects that it shall have brought the economic system of the Mainland and Hong Kong into harmony by 2047, by which time the Chinese economy is predicted to have been the largest by any measure of GDP for decades.

Demographics

The territory's population is 7.03 million. In 2009, Hong Kong had a birth rate of 11.7 per 1,000 population and a fertility rate of 1,032 children per 1,000 women. Residents from mainland China do not have the right of abode in Hong Kong, nor are they allowed to enter the territory freely. However, the influx of immigrants from mainland China, approximating 45,000 per year, is a significant contributor to its population growth – a daily quota of 150 Mainland Chinese with family ties in Hong Kong are granted a "one way permit". Life expectancy in Hong Kong is 79.16 years for males and 84.79 years for females as of 2009, making it one of the highest life expectancies in the world.

About 95% of the people of Hong Kong are of Chinese descent, the majority of whom are Taishanese, Chiu Chow, other Cantonese people, and Hakka. Hong Kong's Han majority originate mainly from the Guangzhou and Taishan regions in Guangdong province. The remaining 5% of the population is composed of non-ethnic Chinese. There is a South Asian population of Indians, Pakistanis and Nepalese; some Vietnamese refugees have become permanent residents of Hong Kong. There are also Europeans (mostly British), Americans, Canadians, Japanese, and Koreans working in the city's commercial and financial sector.|group=note}} In 2008, there were an estimate of 252,500 foreign domestic helpers from Indonesia and the Philippines working in Hong Kong.

Hong Kong's ''de facto'' official language is Cantonese, a Chinese language originating from Guangdong province to the north of Hong Kong. English is also an official language, and according to a 1996 by-census is spoken by 3.1 percent of the population as an everyday language and by 34.9 percent of the population as a second language. Signs displaying both Chinese and English are common throughout the territory. Since the 1997 handover, an increase in immigrants from mainland China and greater integration with the mainland economy have brought an increasing number of Mandarin speakers to Hong Kong.

The majority of residents of Hong Kong would claim no religious affiliation, professing a form of agnosticism or atheism. According to the U.S Department of State only 43 percent of the population practices some form of religion. Some figures put it higher, according to a Gallup poll, 64% of Hong Kong do not believe in any religion, and possibly 80% of Hong Kong claim no religion. According to another gallup poll, Hong Kong is the seventh country which considers religion as an important part of their daily lives, with only 22%. In Hong Kong teaching evolution won out in curriculum dispute about whether to teach other explanations, and that creationism and intelligent design will form no part of the senior secondary biology curriculum

Hong Kong enjoys a high degree of religious freedom, guaranteed by the Basic Law. Hong Kong's main religions are Buddhism, Taoism, and Confucianism, a local religious scholar in contact with major denominations estimates there are approximately 1.5 million Buddhists and Taoists. A Christian community of around 600,000 forms about 8% of the total population; it is nearly equally divided between Catholics and Protestants, although smaller Christian communities exist, including the Latter-Day Saints and Jehovah's Witnesses. The Anglican and Roman Catholic churches each freely appoint their own bishops, unlike in mainland China. There are also Sikh, Muslim, Jewish, Hindu and Bahá'í communities. The practice of Falun Gong is tolerated.

Statistically Hong Kong's income gap is the greatest in Asia Pacific. According to a report by the United Nations Human Settlements Programme in 2008, Hong Kong's Gini coefficient, at 0.53, was the highest in Asia and "relatively high by international standards". However, the government has stressed that income disparity does not equate to worsening of the poverty situation, and that the Gini coefficient is not strictly comparable between regions. The government has named economic restructuring, changes in household sizes, and the increase of high-income jobs as factors that have skewed the Gini coefficient.

Education

Hong Kong's education system used to roughly follow the system in England, although international systems exist. The government maintains a policy of "mother tongue instruction" () in which the medium of instruction is Cantonese, with written Chinese and English. In secondary schools, 'biliterate and trilingual' proficiency is emphasised, and Mandarin-language education has been increasing. The Programme for International Student Assessment ranked Hong Kong's education system as the second best in the world. Hong Kong's public schools are operated by the Education Bureau. The system features a non-compulsory three-year kindergarten, followed by a compulsory six-year primary education, a three-year junior secondary education, a non-compulsory two-year senior secondary education leading to the Hong Kong Certificate of Education Examinations and a two-year matriculation course leading to the Hong Kong Advanced Level Examinations. The New Senior Secondary academic structure and curriculum was implemented in September 2009, which provides for all students to receive three years of compulsory junior and three years of compulsory senior secondary education. Under the new curriculum, there is only public examination, namely the Hong Kong Diploma of Secondary Education.

Most comprehensive schools in Hong Kong fall under three categories: the rarer public schools; the more common subsidised schools, including government aids-and-grant schools; and private schools, often run by Christian organisations and having admissions based on academic merit rather than on financial resources. Outside this system are the schools under the Direct Subsidy Scheme and private international schools.

There are nine public universities in Hong Kong, and a number of private higher institutions, offering various bachelor's, master's, and doctoral degrees, other higher diplomas, and associate degree courses.The University of Hong Kong, the oldest institution of tertiary education in the territory, was described by Quacquarelli Symonds as a "world-class comprehensive research university" and was ranked 24th on the 2009 THES - QS World University Rankings, making it first in Asia. The Hong Kong University of Science & Technology was ranked 35th in the world in 2009 and ranked second in Asia for 2010. The Chinese University of Hong Kong was ranked 46th in the world in 2009 and ranked fourth in Asia for 2010. Based on the 2011 rankings published by career and education network QS, three of the top five Asian universities are in Hong Kong. They are the Hong Kong University of Science and Technology, the University of Hong Kong and Chinese University of Hong kong as first, second and fifth rank, respectively.

Healthcare

There are 13 private hospitals and more than 50 public hospitals in Hong Kong. Among the widest range of healthcare services throughout the globe are on offer, and some of the SAR's private hospitals are rightly considered to be among the very best of their type in the world.

There are two medical schools in the SAR, one based at the Chinese University of Hong Kong and the other at Hong Kong University. Both have strong links with public sector hospitals.

With respect to postgraduate education, many Hong Kong doctors have traditionally look overseas for further training, and many took British Royal College exams such as the MRCP(UK) and the MRCS(UK). However, Hong Kong has been developing its own postgraduate medical institutions, in particular the Hong Kong Academy of Medicine, and this is gradually taking over the responsibility for all postgraduate medical training in the SAR.

There are also strong public health systems in Hong Kong, and the Centre for Health Protection, founded after the SARS outbreak of 2003, is particularly worthy of mention.

Culture

Hong Kong is frequently described as a place where "East meets West", reflecting the culture's mix of the territory's Chinese roots with influences from its time as a British colony. Hong Kong balances a modernised way of life with traditional Chinese practices. Concepts like ''feng shui'' are taken very seriously, with expensive construction projects often hiring expert consultants, and are often believed to make or break a business. Other objects like Ba gua mirrors are still regularly used to deflect evil spirits, and buildings often lack any floor number that has a 4 in it, due to its similarity to the word for "die" in Cantonese. The fusion of east and west also characterises Hong Kong's cuisine, where dim sum, hot pot, and fast food restaurants coexist with haute cuisine.

Hong Kong is a recognised global centre of trade, and calls itself an "entertainment hub". Its martial arts film genre gained a high level of popularity in the late 1960s and 1970s. Several Hollywood performers, notable actors and martial artists have originated from Hong Kong cinema, notably Bruce Lee, Jackie Chan, Chow Yun-fat, Michelle Yeoh, Maggie Cheung and Jet Li. A number of Hong Kong film-makers have achieved widespread fame in Hollywood, such as John Woo, Wong Kar-wai, and Stephen Chow.

The Hong Kong government supports cultural institutions such as the Hong Kong Heritage Museum, the Hong Kong Museum of Art, the Hong Kong Academy for Performing Arts, and the Hong Kong Philharmonic Orchestra. The government's Leisure and Cultural Services Department subsidises and sponsors international performers brought to Hong Kong. Many international cultural activities are organised by the government, consulates, and privately.

Hong Kong has two licensed terrestrial broadcasters – ATV and TVB. There are three local and a number of foreign suppliers of cable and satellite services. The production of Hong Kong's soap dramas, comedy series, and variety shows reach audiences throughout the Chinese-speaking world. Magazine and newspaper publishers in Hong Kong distribute and print in both Chinese and English, with a focus on sensationalism and celebrity gossip. The media in Hong Kong is relatively free from official interference compared to mainland China, although the ''Far Eastern Economic Review'' points to signs of self-censorship by journals whose owners have close ties to or business interests in the People's Republic of China and states that even Western media outlets are not immune to growing Chinese economic power.

Hong Kong offers wide recreational and competitive sport opportunities despite its limited land area. It sends delegates to international competitions such as the Olympic Games and Asian Games, and played host to the equestrian events during the 2008 Summer Olympics. There are major multipurpose venues like Hong Kong Coliseum and MacPherson Stadium. Hong Kong's steep terrain and extensive trail network with expansive views attracts hikers, and its rugged coastline provides many beaches for swimming.

Cityscape

{| |- | | |}

Architecture

According to Emporis, there are 7,650 skyscrapers in Hong Kong, which puts the city at the top of world rankings. It has more buildings higher than 35m (or 100m, or 150m) than any other city. The high density and tall skyline of Hong Kong's urban area is due to a lack of available sprawl space, with the average distance from the harbour front to the steep hills of Hong Kong Island at , much of it reclaimed land. This lack of space causes demand for dense, high-rise offices and housing. Thirty-six of the world's 100 tallest residential buildings are in Hong Kong. More people in Hong Kong live or work above the 14th floor than anywhere else on Earth, making it the world's most vertical city.

As a result of the lack of space and demand for construction, few older buildings remain, and the city is becoming a centre for modern architecture. The International Commerce Centre (ICC), at high, is the tallest building in Hong Kong and the third tallest in the world, by height to roof measurement. The tallest building prior to the ICC is Two International Finance Centre, at high. Other recognisable skyline features include the HSBC Headquarters Building, the triangular-topped Central Plaza with its pyramid-shaped spire, The Center with its night-time multi-coloured neon light show, and I. M. Pei's Bank of China Tower with its sharp, angular façade. According to the Emporis website, the city skyline has the biggest visual impact of all world cities. The oldest remaining historic structures including the Tsim Sha Tsui Clock Tower, the Central Police Station, and the remains of Kowloon Walled City were constructed during the 19th and early 20th centuries.

There are many development plans in place, including the construction of new government buildings, waterfront redevelopment in Central, and a series of projects in West Kowloon. More high-rise development is set to take place on the other side of Victoria Harbour in Kowloon, as the 1998 closure of the nearby Kai Tak Airport lifted strict height restrictions.

Transport

Hong Kong's transportation network is highly developed. Over 90% of daily travels (11 million) are on public transport, the highest such percentage in the world. Payment can be made using the Octopus card, a stored value system introduced by the Mass Transit Railway (MTR), which is widely accepted on railways, buses and ferries, and accepted like cash at other outlets.

The city's main railway company (MTR) was merged with the urban mass transit operator (KCRC) in 2007, creating a comprehensive rail network for the whole territory (also called MTR). This MTR rapid transit system has 152 stations, which serve 3.4 million people a day. Hong Kong Tramways, which has served the territory since 1904, covers the northern parts of Hong Kong Island.

{| |- | |} Hong Kong's bus service is franchised and run by private operators. Five privately owned companies provide franchised bus service across the territory, together operating more than 700 routes. The two largest, Kowloon Motor Bus provides 402 routes in Kowloon and New Territories; Citybus operates 154 routes on Hong Kong Island; both run cross-harbour services. Double-decker buses were introduced to Hong Kong in 1949, and are now almost exclusively used; single-decker buses remain in use for routes with lower demand or roads with lower load capacity. Public light buses serve most parts of Hong Kong, particularly areas where standard bus lines cannot reach or do not reach as frequently, quickly, or directly.

The Star Ferry service, founded in 1888, operates four lines across Victoria Harbour and provides scenic views of Hong Kong's skyline for its 53,000 daily passengers. It acquired iconic status following its use as a setting on ''The World of Suzie Wong''. Travel writer Ryan Levitt considered the main Tsim Sha Tsui to Central crossing one of the most picturesque in the world. Other ferry services are provided by operators serving outlying islands, new towns, Macau, and cities in mainland China. Hong Kong is famous for its junks traversing the harbour, and small kai-to ferries that serve remote coastal settlements. The Port of Hong Kong is a busy deepwater port, specialising in container shipping.

Hong Kong Island's steep, hilly terrain was initially served by sedan chairs. The Peak Tram, the first public transport system in Hong Kong, has provided vertical rail transport between Central and Victoria Peak since 1888. In Central and Western district, there is an extensive system of escalators and moving pavements, including the longest outdoor covered escalator system in the world, the Mid-Levels escalator.

Hong Kong International Airport is a leading air passenger gateway and logistics hub in Asia and one of the world's busiest airports in terms of international passenger and cargo movement, serving more than 47 million passengers and handling 3.74 million tonnes (4.12 million tons) of cargo in 2007. It replaced the overcrowded Kai Tak Airport in Kowloon in 1998, and has been rated as the world's best airport in a number of surveys. Over 85 airlines operate at the two-terminal airport and it is the primary hub of Cathay Pacific, Dragonair, Air Hong Kong, Hong Kong Airlines, and Hong Kong Express.

See also

Public holidays in Hong Kong

List of cities with most skyscrapers

Notes

Footnotes

References

Further reading

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External links

; Government

Discover Hong Kong – Official site of the Hong Kong Tourism Board

; Other

Hong Kong at Encyclopædia Britannica

HongKong at ''UCB Libraries GovPubs''

WikiSatellite view of Hong Kong at WikiMapia

Category:1997 establishments Category:Chinese-speaking countries and territories Category:English-speaking countries and territories Category:Former British colonies Category:Independent cities Category:Metropolitan areas of China Category:Pearl River Delta Category:Populated places established in 1842 Category:Port cities and towns in China Category:South China Sea Category:Special administrative regions of the People's Republic of China

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Coordinates	29°57′53″N90°4′14″N
name	Susan Collins
jr/sr	Junior Senator
state	Maine
party	Republican
alongside	Olympia Snowe
term start	January 3, 1997
preceded	William Cohen
order2	Chairwoman of the Senate Committee on Homeland Security and Governmental Affairs
term start2	January 3, 2003
term end2	January 3, 2007
preceded2	Joe Lieberman
succeeded2	Joe Lieberman
birth date	December 07, 1952
birth place	Caribou, Maine
occupation	Public Official
residence	Bangor, Maine
spouse	none
alma mater	St. Lawrence University (B.A.)
religion	Roman Catholic
website	Senator Susan Collins }}

Susan Margaret Collins (born December 7, 1952) is the junior United States Senator from Maine and a member of the Republican Party. First elected to the Senate in 1996, she is the ranking member of the Senate Committee on Homeland Security and Governmental Affairs. Collins and her fellow Senator from Maine, Olympia Snowe, are regarded as leading moderates within the Republican Party.

Early life

One of six children, Susan Collins was born in Caribou, Maine, where her family have operated a lumber business since 1844. Her parents, Donald and Patricia, each served as mayor of Caribou; her father also served in both houses of the Maine Legislature. Her uncle, Samuel W. Collins, Jr., sat on the Maine Supreme Judicial Court from 1988 to 1994. She attended Caribou High School, where she was president of the student council. During her senior year of high school in 1971, Collins was chosen to participate in the U.S. Senate Youth Program, through which she visited Washington, D.C. for the first time and engaged in a two-hour conversation with U.S. Senator Margaret Chase Smith (R-ME). Collins is the first program delegate elected to the Senate and currently holds the seat once held by Smith.

After graduating from Caribou High School, she continued her education at St. Lawrence University in Canton, New York. Like her father before her, she was elected to the Phi Beta Kappa national academic honor society. She graduated from St. Lawrence ''magna cum laude'' with a bachelor's degree in government in 1975.

Early political career

Following graduation, Collins worked as a legislative assistant to U.S. Representative, and later U.S. Senator, William Cohen (R-ME) from 1975 to 1987. She was also staff director of the Oversight of Government Management Subcommittee on the United States Senate Committee on Homeland Security and Governmental Affairs (1981–1987).

In 1987, Collins returned to Maine and joined the cabinet of Governor John R. McKernan, Jr. as Commissioner of the Department of Professional and Financial Regulation. She was appointed the New England regional director for the Small Business Administration by President George H. W. Bush in 1992. After briefly serving in this post until the 1992 election of Democrat Bill Clinton, she moved to Massachusetts and became Deputy State Treasurer of Massachusetts under Joe Malone in 1993.

Returning to Maine, Collins won an eight-way Republican primary in the 1994 gubernatorial election, becoming the first woman to be nominated by a major party for Governor of Maine. During the campaign, she received little support from Republican leaders and was criticized by conservative groups for her more liberal views on social issues. She also received negative publicity when her brother was arrested in connection with a $1 million marijuana distribution operation. She lost the general election, receiving 23% of the vote and placing third behind Democrat Joseph E. Brennan and the winner, Independent candidate Angus King.

In December 1994, Collins became the founding executive director of the Center for Family Business at Husson College in Bangor. She served in this post until 1996, when she announced her candidacy for the seat in the U.S. Senate being vacated by her former boss, William Cohen, who retired to become U.S. Secretary of Defense under President Clinton. With Cohen's public endorsement, she won a difficult four-way primary and faced Joe Brennan, her Democratic opponent from the 1994 gubernatorial election, in the general election. She eventually defeated Brennan by a margin of 49% to 44%. She was reelected in 2002 over State Senator Chellie Pingree (D), 58%-42%, and again in 2008 over Rep. Tom Allen (D), 61.5%-38.5%. In both elections, she carried every county in Maine.

Senate career

Described as one of "the last survivors of a once common species of moderate Northeastern Republican," Collins is considered a bipartisan and centrist member of the Republican Party, and an influential player in the U.S. Senate. She is a member of several moderate organizations within the Republican Party, including the Republican Main Street Partnership, Republican Majority For Choice, Republicans for Choice, The Wish List, Republicans for Environmental Protection, and the Republican Leadership Council. Her voting record was at one time center-left which has caused some Republicans to label her as a "Republican in Name Only" (RINO). Although she shares a centrist ideology with Maine's senior Senator, Olympia Snowe, Collins is considered a "half-turn more conservative" than Snowe. Collins has consistently been endorsed by the Human Rights Campaign, a major LGBT rights organization; she was one of six Republicans running in 2008 to be endorsed by the HRC. She supported John McCain in the 2008 election for President of the United States.

Voting record

In the 1990s, Collins played an important role during the U.S. Senate's impeachment trial of Bill Clinton when she and fellow Maine Senator Olympia Snowe sponsored a motion that would have allowed the Senate to vote separately on the charges and the remedy. When the motion failed, both Snowe and Collins subsequently voted to acquit, believing that while Clinton had broken the law by committing perjury, the charges did not amount to grounds for removal from office.

Collins voted with the majority in favor of the Iraq War Resolution authorizing President George W. Bush to go to war against Iraq, on October 10, 2002.

On October 21, 2003, with Senate Democrats, Collins was one of the three Republican Senators to oppose the Partial-Birth Abortion Ban Act. She did however join the majority of Republicans in voting for Laci and Conner's Law to increase penalties for killing the unborn while committing a violent crime against the mother.

On May 23, 2005, Collins was one of fourteen senators to forge a compromise on the Democrats' use of the judicial filibuster, thus allowing the Republican leadership to end debate without having to exercise the so-called "nuclear option". Under the agreement the minority party would retain the power to filibuster a Presidential judicial nominee only in an "extraordinary circumstance", and three Bush appellate court nominees (Janice Rogers Brown, Priscilla Owen, and William Pryor) would receive a vote by the full Senate, while two others, Henry Saad and William Myers, were expressly denied such protection. Saad and Myers both eventually withdrew their names from consideration.

Collins voted against the restrictions on travel to Cuba, harsher punishments for drug users, and amending the U.S. Constitution to prohibit same-sex marriages. She has also joined the moderates in the Republican Party and a vast majority of Democrats in supporting campaign finance reform laws. In 2003 she was the only Republican to vote for limiting a tax cut in order to help rural hospitals.

Collins has voted against some free-trade agreements including the Dominican Republic – Central America Free Trade Agreement. In 1999 she was one of only four Republicans (along with her colleague Olympia Snowe) to vote for a Wellstone amendment to the Trade and Development Act of 2000 which would have conditioned trade benefits for Caribbean countries on "compliance with internationally recognized labor rights." This vote, joined only by Republicans Jim Jeffords and Arlen Specter, put her to the political left of many Democratic senators including 2008 presidential contenders John Edwards, Christopher Dodd, and Joseph Biden.

Collins coauthored, along with Senator Joe Lieberman, the Collins-Lieberman Intelligence Reform and Terrorism Prevention Act of 2004. This law implemented many of the recommendations of the 9-11 Commission modernizing and improving America's intelligence systems.

In October 2006, President George W. Bush signed into law major port security legislation coauthored by Collins and Washington Senator Patty Murray. The new law includes major provisions to significantly strengthen security at U.S. ports.

Collins voted in favor of and for the extension of the Bush tax cuts. She offered an amendment to the original bill that allowed for tax credits to school teachers who purchase classroom materials.

Collins voted for the confirmation of two U.S. Supreme Court Justice nominees, Samuel Alito and John G. Roberts. In July 2009, Collins announced her intention to vote for the confirmation of President Barack Obama's first U.S. Supreme Court nominee, U.S. Court of Appeals Judge Sonia Sotomayor, breaking from the opposition led by several conservative Republican senators.

On September 19, 2007, she voted against a motion to invoke cloture on Senator Arlen Specter's amendment proposing to restore habeas corpus for those detained by the United States.

Collins, joining the Senate majority, voted in favor of the Protect America Act, an amendment to the Foreign Intelligence Surveillance Act of 1978. Additionally, she voted to deny congressional oversight of Central Intelligence Agency spying programs.

Siding with the majority, Collins voted for the Military Commissions Act of 2006 that stripped the right to a writ of habeas corpus and access to a lawyer for prisoners held of charges of terrorism by the U.S. government. She voted against an amendment to that bill that would have allowed defendants the right to habeas corpus.

In 2004, along a mainly party-line vote, Collins voted against an amendment to prohibit "profiteering and fraud relating to military action, relief, and reconstruction." She later sponsored the Accountability in Government Contracting Act of 2007, approved unanimously by the Senate, which would create more competition between military contractors.

Agreeing with the majority in both parties, Collins voted in favor of the Kyl-Lieberman Amendment, which could give President Bush and the executive branch the authorization for military force against Iran.

As ranking member of the Homeland Security and Governmental Affairs Committee, Collins and committee chairman Senator Joe Lieberman voiced concerns about budget, outside contractors, privacy and civil liberties relating to the National Cyber Security Center, the Comprehensive National Cybersecurity Initiative and United States Department of Homeland Security plans to enhance Einstein, the program which protects federal networks. Citing improved security and the benefits of information sharing, as of mid-2008, Collins was satisfied with the response the committee received from Secretary Michael Chertoff.

In September 2008, Collins joined the Gang of 20, a bipartisan group seeking a comprehensive energy reform bill. The group is pushing for a bill that would encourage state-by-state decisions on offshore drilling and authorize billions of dollars for conservation and alternative energy.

Ultimately, Collins was one of just three Republican lawmakers to vote for the American Recovery and Reinvestment Act, earning heated criticism from the right for crossing party lines on the bill. In mid-December 2009, Collins was again one of three Republican senators to back a $1.1 trillion appropriations bill for the fiscal year beginning in 2010, joining Thad Cochran of Mississippi and Kit Bond of Missouri in compensating for three Democratic "nay" votes to pass the bill over a threatened GOP filibuster.

On January 29, 2009 Collins voted in favor of the Children's Health Insurance Program Reauthorization Act (H.R. 2).

Collins opposed President Barack Obama's health reform legislation; she voted against the Patient Protection and Affordable Care Act in December 2009, and she voted against the Health Care and Education Reconciliation Act of 2010.

The Cantwell-Collins bill (S. 2877), also called the Carbon Limits and Energy for America's Renewal (CLEAR) Act, directs the Secretary of the Treasury to establish a program to regulate the entry of fossil carbon (fossil fuel) into commerce in the United States, to promote renewable energy jobs and economic growth. The bill is bipartisan with Maria Cantwell, a Democrat from Washington.

On December 18, 2010, Collins voted in favor of the Don't Ask, Don't Tell Repeal Act of 2010.

Collins has an unbroken voting record in the Senate, never missing a single vote since becoming a senator in 1997.

Committee appointments

United States Senate Committee on Appropriations

*Subcommittee on Agriculture, Rural Development, Food and Drug Administration, and Related Agencies

*Subcommittee on Financial Services and General Government (Ranking Member)

*Subcommittee on Interior, Environment, and Related Agencies

*Subcommittee on Military Construction, Veterans Affairs, and Related Agencies

*Subcommittee on Transportation, Housing and Urban Development, and Related Agencies

Committee on Armed Services

*Subcommittee on Emerging Threats and Capabilities

*Subcommittee on Personnel

*Subcommittee on SeaPower

Committee on Homeland Security and Governmental Affairs (Ranking Member)

*As Ranking Member of the full committee, Collins may serve as an ex officio member of all subcommittees.

Special Committee on Aging

2008 re-election campaign

Collins ran for re-election in 2008 and on May 8, 2007, Representative Tom Allen (District 1) filed papers to run against her. On the same day a poll was released by Critical Insights — an independent polling firm in Portland, Maine — which showed Collins was a strong early favorite. The poll of 600 likely voters showed Collins leading Allen statewide 57% to 30%, with 65% of the important independent vote.

With just nine weeks to election day on November 4, according to a Rasmussen poll Senator Collins led Rep. Tom Allen by fifteen points, 53%-38%. Among independents, Senator Collins led comfortably, 55%-32% and was viewed favorably by independents with a 67% approval rating among them. One month prior to election day another Rasmussen poll gave Senator Collins a 10-point lead over Rep. Allen, 53%-43%.

Overcoming strong anti-Republican sentiment, Collins was elected to a third term with 61.5% of the vote.

Electoral history

References

External links

United States Senator Susan Collins ''official Senate site''

Susan Collins campaign website ''official campaign site''

Profile at SourceWatch

Susan Collins My Space

Senator Susan Collins Political Base

{{U.S. Senator box |state=Maine |class=2 |before=William Cohen |start=1997 |alongside=Olympia Snowe}}

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