There are 25 million more people living with bad air than last year's report showed, according to air quality data from the ...

Air pollution levels keep getting worse for more people in the U.S., according to a new report, and experts say the Trump administration’s proposed deregulation plans will make it even harder ...

"Since the act passed, the air pollution has gone down overall," Laura Kate Bender, an assistant vice president at the American Lung Association, told CBS News. "The challenge is that over the ...