China has cleaned up its air before but experts say that if it wants to avoid the kind of smog that choked the country this week, it must overhaul an economy fuelled by heavily polluting coal and car use.
Environment
Jan 15, 2013
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Beijing authorities cancelled hundreds of flights and shut motorways on Monday as thick smog descended on the Chinese capital, reducing visibility at one of the world's busiest airports.
Environment
Dec 5, 2011
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Records were destined to fall at the 2008 Olympics, but Chinese officials didn't want the gold medal for "most polluted air." Reducing air pollution in an urban area like Beijing will require large, regional strategies according ...
Environment
Sep 26, 2011
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(PhysOrg.com) -- Particulate air pollution during the 2008 Olympic Games in Beijing constantly exceeded levels considered excessive by the World Health Organization, was far worse than other recent Olympic Games, and was ...
Environment
Jun 19, 2009
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