Will Bloomberg try again, or focus on banning evil soda cups now instead?
The New York Times editorial board and Times columnist Thomas Friedman have both come out swinging against the Keystone XL pipeline.
Thanks to climate change, millions of square miles of new trees and shrubs are turning the far north green, say researchers. And that's not good.
Fighting climate change also means fighting for women's safety and equality.
Dunkin's dumping the stuff from its donuts, Norway's draining it from its investments, and palm-oil producers are left holding the greasy bag.
While states debate the merits of labeling GMO foods, grocery stores lead the way by voluntarily honoring customers' right to know what they're eating.
Attempts at turning a desert into a greenhouse have serious consequences for Mediterranean sea life.
A new, in-depth study looks at temperatures stretching back 11,300 years, and the news doesn't bode well.
Two-thirds of Americans now know that the globe is warming, including 51 percent of Republicans, according to new polling.