The state's cap-and-trade program is about to pay off for millions of residents, who will be getting credits on their electricity bills.
It's going to get hotter in the U.S., Canada, and Mexico -- and wetter in some spots but drier in others. These graphics tell the story.
Global warming will particularly screw over poor countries, says the Intergovernmental Panel on Climate Change. But adaptation is starting to catch on.
For half the world's oceans, there are no fishing rules. Banning fishing there would boost fisheries closer to shores and make the whole enterprise more sustainable.
Frackers are making the earth shake, prompting even frack-friendly states to put their heads together to try to figure out how to reduce the risks.
Just 1 gigawatt of new wind energy capacity was installed in the U.S. last year -- down from 13 gigawatts the year before. Thanks, Congress!
Ohio lawmakers have backed away from a potential ban on Tesla's sales centers, but they will only allow three of the centers to operate in their state.
An oil spill from BP's Whiting refinery was just the latest in a string of similar accidents across the U.S.
When Christie's administration unilaterally pulled out out of a regional cap-and-trade program in 2011, it broke the law, an appeals court rules.