Federal actions like the 1970 Clean Air Act and the 1972 Clean Water Act helped regulate water and air pollution.

Bulldozer activity involving coal at an open-air facility at the Port of Baltimore is closely linked to air pollutants in the ...

Specialized vehicles are collecting block-by-block air quality data in Bakersfield as part of a $27 million statewide ...

A South Korean tourist's negative perceptions of India stemmed from misleading online images. Many social media users ...

The Canadian wildfires are expected to track east and south, expanding in Michigan as Sunday goes on and additional smoke is expected Monday.

While air quality was in the "unhealthy for sensitive groups" category in Chicago, it was even worse in some suburbs.

Friday morning, Chicago's air quality showed a PM 2.5 of 157. Typically, anything above 100 is considered to be hazardous to at least some groups, and anything over 150 is considered to be “unhealthy, ...

The eruption began early July 16 on the Sundhnúkur Crater Row, about 30 miles southwest from the capital, Reykjavik. See images of the eruption.

The Tennessee Valley Authority is making steady progress on converting the Cumberland Fossil Plant into the new Cumberland Natural Gas Plant southwest of Clarksville.

From the air, the Keetac tailings basin looks out of place, a complex of lakes and mud flats rising from the pines and bogs ...