You've seen their logos on the sidelines, now get a peak inside the company trying to transform the world.
The latest addition to Australia's climate circus? Al Gore.
Even with the fracking boom, the U.S. is still tied to global oil markets.
The EPA is rolling out an ambitious plan to slash greenhouse gas emissions from power plants.
Never fight a land war in Asia -- unless the climate is on your side.
We don't need no stinking pipeline to spill oil everywhere -- we have trains for that!
In the midst of cold weather extremes across most of the U.S., spare a thought for bone-dry California.
Purchasing "Beyoncé" online instead of on CD could cut greenhouse gas emissions by up to 80 percent.
Bodies are piling up and relief camps are in chaos as aid workers struggle to get help where its needed.
We've devised the world's shortest survey to find out what kind of actions our readers are taking. You know you want to.