A huge plume of ash could block sunlight and lower temperatures. But don't count on that happening anytime soon.
Solar is cost-competitive with diesel in some remote Alaskan towns, a study found.
Not all sea-level rise is caused by global warming — but you wouldn’t know it from the headlines.
The late-night host analyzes Trump’s coal-mining dance, strange hand gestures, and outdated hairspray obsession.
Spoiler alert: We're all to blame.
They’re making a lot of climate pledges, but they aren't being held accountable.
Watch the presumptive GOP nominee do a coal-mining dance. And don’t miss his rant about hairspray and the ozone layer.
Our new national mammal has arrived and she's fabulous.
The Park Service has a new plan to pay the bills.