Will Donald Trump lash out at Leo next?
A new U.N. report offers insight into countries' differing approaches to the clean energy sector.
A new study shows just how much CO2 -- and lives -- we'd save if we just cut our meat consumption in half by 2050.
Watch about 150 activists disrupt the auction for offshore drilling leases in the Gulf of Mexico.
McConnell is advising states to "wait and see" before complying with the centerpiece of Obama's climate agenda.
California can claim first place in just about every clean-energy category.
The tech giant keeps pushing new products we don’t really need.
We read James Hansen’s terrifying new climate study, so you don't have to.
He's "not a big believer" in that more traditional kind of climate change, he tells the Washington Post editorial board.