A "purple" air quality alert was issued for Washington, D.C., and surrounding areas, on Sunday, meaning pollution reached ...

Groups filed a lawsuit against the EPA saying the agency failed to adhere to provisions under Clean Air Act when considering a steel maker's permit.

Tire wear sheds toxic microplastics that affect fish and shrimp in surprising ways, adding to concerns over pollution from road runoff.

One of the biggest advantages of EVs is their lack of tailpipe emissions. In theory, putting more of them on the road should ...

For years, Chinatown has had the worst air quality and highest levels of vehicle emissions in Massachusetts, according to an ...

Circuit court finds the EPA under President Joe Biden had authority to issue stricter controls on fine particulate matter, ...

For many people with asthma, air-quality advisories are harbingers of worsening symptoms. But for reasons science has ...

July 4 fireworks on National Mall expected to cause hazardous pollution, Park Service warns: report - Internal National Park ...

Prescribed fires are vital for reducing wildfire risk and sustaining forest biodiversity. But they also contribute ...

Florida International University scientists have, for the first time, detected a toxic tire-derived chemical in Florida ...