air pollution

An analysis examining mortality among millions of Americans concludes that a tiny decrease in levels of soot could save about 12,000 lives each year.

Over a decade ago, a blue plume of air pollution descended upon the small Ohio River village of Cheshire, Ohio. The acid-mist, which fell from the Gavin…

10:00 Twenty-one years ago Congress passed the Clean Air Act to clean up toxic air pollution, but the regulatory system in place still leaves many…