Related topics: air pollution ยท air quality

Beijing releases pollution data; US figures higher

(AP) -- Caving to public pressure, Beijing environmental authorities started releasing more detailed air quality data Saturday that may better reflect how bad the Chinese capital's air pollution is. But one expert says measurements ...

US clean-air efforts stay on target, analysis shows

National efforts in the last decade to clear the air of dangerous particulate matter have been so successful that most urban areas have already attained the next benchmark, according to new research by Rice University.

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