We found a new planet that could support life. If not for ourselves, then for our hypothetical new friends: Let's clean this place up a little.
The Obama administration says sure, go for it. Hey, what could go wrong?
The Senate is moving toward restoring a key tax credit for the wind energy industry. But the House might not play along.
Sixty mayors from around the world gathered at the Vatican and got encouragement from Pope Francis for their plans to cut CO2 emissions.
The emissions don't have any radioactive carbon, so dating artifacts could become a lot more difficult.
People have kept chickens for cockfighting for thousands of years. Eating them is a different story.
A new study shows that ocean acidification could drastically impact the world's phytoplankton populations.
The Last Week Tonight host says we have an embarrassing food waste problem.
A document by Peabody Energy argues that “there are no demonstrated foreseeable effects of any GHG emissions.”