News tagged with polluted air

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Beijing air pollution at dangerously high levels

Beijing's skyscrapers receded into a dense gray smog Thursday as the capital saw the season's first wave of extremely dangerous pollution, with the concentration of toxic small particles registering more than two dozen times ...

dateJan 16, 2014 in Environment
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US to propose stricter smog standard

Coming full circle on a campaign promise, the Obama administration will propose Wednesday to reduce the amount of smog-forming pollution allowed in the air, which has been linked to asthma, lung damage and other health problems.

dateNov 26, 2014 in Environment
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