Damn the deniers, the doubters, and the do-nothing Congress. The Pentagon is moving full green ahead.
The U.S. has racked up more mega-expensive natural disasters in 2011 than ever before.
Every state experienced warmer temperatures in 1981-2010 compared with 1971-2000. Take a look at some alarming maps that illustrate the changes.
We've devised the world's shortest survey to find out what kind of actions our readers are taking. You know you want to.