Researchers have quantified the impact of 40 years of mountaintop removal, and it doesn't look pretty.
There might be some reasons for Congress to grill the EPA leadership about its clean water rules, but this hearing couldn't find them.
A fair bit, according to a Greenpeace investigation.
A look at grazing, public lands, and beef.
There’s a historic precedent for the way we talk about a virus we know very little about.
Who will be the first to bring electric vehicles to the masses? Probably GM.
Many U.S. teachers offer their students conflicting or incorrect information about climate science, a new survey shows.
New research confirms that scientists are using solid techniques to calibrate their data.