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.

Internal modeling shows the July 4th fireworks display will cause hazardous pollution around the Mall and “very unhealthy ...

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

The National Park Service will launch a dazzling 850,000 fireworks in the nation's capital this year. Scientists are watching for the environmental and ...

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

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 ...