Western tribal groups and environmentalists want to defend the recent ban on permitting of new coal mines in the Powder River ...

Recent USGS research shows naturally occurring underground microbes can “supercharge” natural gas production from Powder ...

Conservation groups warn sweeping measures threaten a trajectory toward cleaner air and more affordable electricity.

The front line in what Republicans call the “war on coal” is in the Powder River Basin of Wyoming and Montana, a sparsely populated section of the Great Plains with the nation’s largest coal ...