Leto's Ford Bronco gets approximately 12 miles to the gallon, about the same as a Hummer H2.
The Sundance premiere of Racing Extinction was pretty depressing -- but not for the obvious reasons.
A team of archaeologists in Norway have uncovered a number of artifacts revealed as ancient layers of ice start to melt away.
The hip-hop mogul announced at the World Economic Forum summit in Davos that he and Al Gore are organizing Live Earth: Road to Paris.
In the race to catch up to women of the 21st century, the Catholic Church is stuck somewhere around 1912. Cool!
Sometimes, doing the most sustainable thing for your uterus means you get to go to McDonald's afterward.
We'd like to issue a very warm congratulations to Official Grist Boyfriend Mark Ruffalo.
Fracking sites in Pennsylvania or rave rivers in Taiwan -- the choice is yours, river-dweller!
Macklemore teams up with Sesame Street for a video about recycling.