The national electrical grid might start paying factories to operate through the night when wind power is ample but electricity demand is normally low.
Wall Street is not so hot on coal anymore, and that means plans to build the West Coast's biggest coal export terminal are now on the rocks.
A train carrying crude oil and propane jumped the tracks and burst into flames, triggering evacuations in a town just beyond the Maine border.
Enviros are trying to push the state back into the Regional Greenhouse Gas Initiative cap-and-trade program, despite opposition from Gov. Chris Christie.
Oil companies and oil-loving politicians alike are anxious to ship U.S. oil abroad and are pushing for an end to the ban.
Gov. Jerry Brown wants to take $250 million raised by the state's carbon-trading program and put it toward a fast train between L.A. and San Francisco.
The fast-food giant will start buying some in 2016, and then gradually work toward its "aspirational goal" of buying 100 percent verified sustainable beef.
The U.S. Coast Guard is on its way to rescue a ship that got stuck in ice while trying to rescue another ship that got stuck in ice. Why so much ice? A rescued scientist explains.
A U.S. Navy ship that delivered aid to Japan after the big tsunami in 2011 sailed right into a plume of radioactive pollution. Now sick sailors are suing the nuclear plant owner.