More than 250,000 people are advised to limit their time outdoors on Friday due to unhealthy or very unhealthy air quality.
Knowable Magazine reports on how in metros like Reno, Nevada, citizen scientists hit the road to collect detailed temperature ...
Clean air has become one of America’s best investments, returning $10 for every $1 spent on regulations, by one estimate.
The number of affected drinking water systems grows with each update as the EPA adds more test results. Did Zanesville's ...
The emissions intelligence company studied satellite imagery of nearly 277,000 square miles. Startling satellite data exposes ...