John Oliver proposes a new mascot for Earth Day we can all get behind: Marshmallow, the polar bear with a broken penis.
Climate change will continue to dry out California. Could fruit and veggie farming find a home in the Cotton Belt?
Clinton hasn't made climate a priority in the past. Will that change in the future?
A look back at the response to the BP oil spill -- and thoughts on where we go from here.
Five years ago, the Deepwater Horizon explosion triggered the largest oil spill in U.S. history. Here's what you still need to know.
Yes, farmers use a whole lot of Golden State water. But there's no easy solution to the state's drought woes in turning off their taps.
Check out our infographic on corn and subsidies.
Once upon a time, we started subsidizing agriculture.
A reader wonders how to suss out a business's eco-cred. Umbra offers a few conversation starters.