Internal National Park Service documents project hazardous PM2.5 levels from 850,000 fireworks shells launched across 10 ...

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

Light pollution can severely impact our access to the stars, raising concerns for future generations. This video explores the ...

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

An imaging study found early signs of coronary artery disease in people in Canada breathing air that regulators consider ...

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

The federal government has settled a water pollution case against Chemours, which makes and uses toxic forever chemicals. The ...

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

The US Environmental Protection Agency has finalized a key update to the federal air quality standard for fine soot – a step toward reducing deadly air pollution that’s been over a decade in the ...

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