Pediatric asthma ER visits dropped 40 percent after a coal processing plant near Pittsburgh closed down, researchers found.

A wildfire burning since July 4 has closed the North Rim of Grand Canyon National Park for the rest of the season.

New Michigan data center plans are on the verge of triggering an “offramp” in the state’s nation-leading climate laws that ...

It is the state’s largest ever settlement for “forever chemicals,” holding DuPont and its spin-offs accountable for ...