Benzene levels soared in a Colorado creek after a natural gas facility spilled hundreds of barrels of natural gas liquid. So why haven't those responsible been fined?
With an emergency rescue underway, Russia's 70-year tradition of placing research stations atop floating chunks of Arctic ice could be over.
Most Americans support efforts to boost green energy and combat global warming, though exuberance for climate action numbed a little over winter.
You're about to get a whole lot of information about where your meat came from. Which displeases the Canadians, who say Americans discriminate against their livestock.
A similar bill is advancing in Maine. But the states are moving cautiously, afraid of triggering lawsuits from the food and ag industry.
Efficiency needs to move "way, way up in our priorities," Moniz said in his first speech as secretary. He's also been meeting with lawmakers to advance energy-efficiency legislation.
The U.S. Chemical Safety Board is trying to figure out why a fertilizer plant exploded last month, but the Bureau of Alcohol, Tobacco, Firearms and Explosives is getting in the way.
The GOP-dominated House has passed yet another bill to speed up approval of the Keystone XL pipeline -- but it'll never become law.
Organizing for Action, the president's advocacy group, should be doing more on climate change, activists say. Fighting Keystone XL would be a good start.