More than 50 activists tried to disrupt construction of the Keystone XL pipeline in Texas on Monday, and 10 got arrested in the process.
The American Coalition for Clean Coal Electricity is running a debate-themed ad on Facebook: 18th-century energy technology meets 21st-century communications.
A123, a battery manufacturer that got federal stimulus funding, has declared bankruptcy. You'll hear about this during Tuesday's debate.
A California man couldn't get buy-in on his geoengineering plan, so he just went ahead with it on his own. Note to readers: Saving the world is not a DIY project.
Electric bikes: not just good for the environment, also good for humanity.
But August was a reallllly long time ago, so it's hard to blame them.
The EPA proposed new rules for coal ash in 2010, but they haven't moved forward yet. And depending on what happens on Nov. 6, maybe they never will.
The Koch brothers suggest that employees vote for Mitt Romney and lots of other Republicans.
Who decides what's "natural" and what's "eco-friendly"? Umbra peels back the latest on the labeling debate.