Air pollution levels keep getting worse for more people in the US, according to a new report, and experts say the Trump ...

Humankind will soon lose a great deal of vigilance over the ozone layer, which shields life on Earth from harmful solar radiation. The impending loss of NASA’s Aura and the Canadian Space Agency ...

Maricopa County's ozone levels are the fourth-highest in the nation, according to the latest "State of the Air" report by the American Lung Association. Maricopa and Pinal counties received ...

Dallas-Fort Worth is among the most ozone-polluted metro areas in the U.S., according to new data from the American Lung Association. The 26th annual State of the Air report, released Wednesday ...

Fairfield County, Connecticut, is among the 25 most polluted counties in the U.S. for ozone pollution, according to the annual State of the Air report from the American Lung Association.