Thanks, oil and gas industry.
Here's what Catholics think about the pope's big climate push.
Like everything Emma Thompson touches, the letter will leave you either laugh-crying or slow-clapping.
More and more utilities are competing for solar power dollars -- but what will that mean for smaller companies and consumers?
The Department of Agriculture's new voluntary plan to cut U.S. carbon emissions shouldn't cause a ruckus -- and that just might make it work.
Warren aggressively opposes Keystone XL, the Trans-Pacific Partnership, and corporate power. That’s quite a contrast with Clinton’s views.
The World's Most Unloved Holiday barely beat out Paris Hilton's dead chihuahua for Facebook's No. 1 trending news story, but a win is a win!
The organizers of the original Earth Day set out to unite progressive causes. Can the climate movement succeed where Earth Day failed?
T.J. Fudge (yes, he makes a mean fudge) and the other researchers are looking at ice cores at the South Pole, for new clues about regional climate change.
We've devised the world's shortest survey to find out what kind of actions our readers are taking. You know you want to.