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.”
The birders in your life may not take this news well.
Scientists suspected that the big white beasts entered a kind of walking hibernation during the summer, when food is scarce. They were wrong.
Mountaintop-removal miners have a long tradition of polluting and burying streams. New rules would make them clean up their act a little.