Will Republicans' anti-climate-science rhetoric be a legitimate barrier to the White House?
The Green Climate Fund, which is supposed to help developing nations fight and prepare for climate change, can be used to build coal plants.
That's the word from a group of respected lawyers who've just introduced what they're calling the Oslo Principles.
Mexico is the first developing nation to make its climate action pledge ahead of U.N. talks in Paris -- and it's actually pretty ambitious.
This year's Arctic sea ice hit a new low.
City officials say the shift to 100-percent renewable energy is a way to save cash, not the planet.
Did the iPhone cleanse change my life? No. Was it difficult? Not remotely.
Candles? Curly-Q bulbs? LEDs? What's an eco-minded reader to do? Umbra's answer is brilliant.
Utility companies claim solar-powered homes are raising everyone else's electric bills.
We've devised the world's shortest survey to find out what kind of actions our readers are taking. You know you want to.