At the break of dawn in Lagos, Nigeria, a group of determined marathon runners sets out — not just to test their endurance, ...

A new report on air quality across the U.S. offers a cloudy prognosis on the long-term health of about 156 million residents who live in areas that received an "F" in smog and soot pollution.

State and local authority over air quality will be jeopardized if Congress revokes California’s auto emissions limits, ...

Arizona Gov. Katie Hobbs signed a utility bill she says will help ratepayers and clean energy progress. Opponents claim it ...

"From the beginning, the company operated with a stunning lack of transparency that left impacted communities in the dark." ...

WASHINGTON D.C.– Senator Padilla has vowed to hold up four pending nominees for the Environmental Protection Agency until Congressional Republicans stop ...

EPA data shows three of those refineries are in trouble with federal law. Some even have a history of violating federal ...

American Lung Association report found that about 156 million people live in counties plagued by high levels of ozone and ...

Scientists have found that the particulate matter from wildfire smoke is leading to higher deaths well after the fires have been put out.

Opponents, including the Conservation Law Foundation and City Councilor Michael A. Fenton, say they’ll keep fighting.

Mohammed bin Abdulrahman Al-Thani dismissed accusations that the move was being used by Qatar to curry favor with the ...