TransCanada has teamed up with the world's largest public relations firm to promote a proposed alternative pipeline that's entirely in Canada.
A new report pins the blame for a recent spate of heat waves on human-caused climate change -- but for the California drought, the evidence is murkier.
A climate change super PAC, funded by billionaire investor Tom Steyer, backs up its sometimes zany stunts with a whole lot of cash.
The Omaha Public Power District announced that it will retire three coal units in the next two years -- thanks to public opinion and new regs.
Many of the pundits who rallied behind rancher Cliven Bundy don't seem to care as much about ranchers' property rights when it's TransCanada using eminent domain to build KXL.
Obama's interior secretary has faced an uphill battle in Washington as she tries to implement her ambitious agenda in the face of budget fights and partisan politics.
Harrison Ford, Don Cheadle, Jessica Alba, Arnold Schwarzenegger, and more team up for "Years of Living Dangerously." Producer Dan Abbasi talks Hollywood flair and global warming.
The outlook in this new government report is as scary/glum/depressing as it sounds, so line up some cute animal vids to watch after this.
A new study predicts 106,004 new gas wells will be drilled in the Marcellus region.