It seems we shall spare the polar bear no indignity: PCB pollution is weakening the species' penis bone.
Specialist eaters like chinstrap penguins could face species-ending food shortages, while generalists like gentoo penguins thrive.
You'll never need to board a carbon-spewing plane again.
Other things Senate to vote on the existence of: time, the moon, vegetables, Jean Claude Van Damme.
For the first time in recorded history, temps in Anchorage didn't drop below zero all year. Alaskans are freaked out.
Grist's most popular stories, captured in a hoary list. Enjoy!
Fracking company Baker Hughes painted 1,000 drill bits pink to support the Susan G. Komen Foundation. Yep: no hypocrisy there.
The new Christopher Nolan film starts on a human-ravaged Earth and ends in a black hole. Where does that leave us?
With renewable energy facing grim prospects in a GOP-controlled Congress, The Daily Show's hot silver fox has one weird trick to make it alright.