An anti-tar-sands activist got his message onto an official tournament sign, embarrassing sponsor Valero, one of the oil companies pushing Keystone XL.
New science education guidelines call for teaching climate change, but those lessons will begin later and be shallower than originally planned.
The Senate has given its OK to Obama's interior nominee, who's worked most recently as CEO of REI and who started her career as an oil engineer.
The Business for Innovative Climate and Energy Policy coalition wants President Obama to see how expensive climate change can be.
Despite industry claims of a war on coal, there have been 15.3 percent more coal-mining jobs on average under Obama than there were under Bush.
Property owners say nearby wind turbines are causing them health problems. Meanwhile, a new paper finds no evidence that "wind turbine syndrome" exists.
Professional winter athletes plead with the president to cut carbon pollution and reject Keystone XL. They say our white winters depend on it.
At least 463 manatees have died in Florida so far this year, more than half because of a toxic red tide.
It's the latest state to consider a bill that would crack down on animal rights activists who expose cruelty at factory farms and food processing plants.