White House science adviser John Holdren says the phrases "global warming" and "climate change" just aren't cutting it.
Kinder Morgan, which is pushing to expand a tar-sands pipeline in Canada, says that "spills can have both positive and negative effects" on local economies.
A January chemical leak from Freedom Industries left 300,000 people without water supplies. Now Freedom is reforming under a different name.
The Obama administration is trying to encourage wind power, but some wildlife advocates say it's going too far.
Ocean acidification is dissolving even more pteropod shells than we thought.
The city stopped short of banning piles of petcoke, a tar-sands refining waste. Now activists and officials are trying to get rid of the piles with lawsuits.
Farm workers on sugar and rice plantations have been hit by a mysterious kidney ailment. Recent research suggests the herbicide glyphosate could be connected to the epidemics.
The same protestors who were jailed in Russia last year got themselves arrested once more, this time for trying to block an oil delivery to a Dutch port.
Meanwhile, the U.S. government still hasn't forced the railroad industry to get rid of the most dangerous, puncture-prone railcars.