For years, the United States has depended on imports of rare earth elements, the critical materials found in everything from ...

Environmentalists: Water draining from beneath a lined landfill containing coal ash is nevertheless contaminated and threatens the Des Moines River ...

The Pennsylvania DEP and Stronghold Digital Mining have agreed to cleanup of the company’s coal ash dump in Venango Co. by ...

Two energy companies with Ohio ties have asked the Trump administration to roll back regulations on greenhouse gas emissions and coal ash. Officials with 10 energy companies signed a Jan. 15 ...