While Hurricane Irma was bearing down on South Florida last week, EPA chief Scott Pruitt said now is not the time to talk about climate change. So if not now, when?
Alcoa is officially moving its headquarters back to Pittsburgh at a time when worldwide sales of aluminum are on the rise. But can the industry meet the demand for “greener” aluminum?
In the latest from our Trump on Earth podcast, it's no secret that the President is a big fan of fossil fuels. But where does that leave solar and wind energy?
GASP - The Group Against Smog and Pollution - has a new exhibit to make learning about air pollution and its impacts a little more fun. Starting with a giant nose you can pick.
Pittsburgh group Scrap the Trap commissioned street artist Bordalo II to create this raccoon piece, made from trash, to draw attention to their cause: more humane treatment of urban wildlife.
The green slime of toxic algae blooms is likely to make a reappearance on Lake Erie this summer. Researchers want a better way to know if it’s making people sick.