Climate Change: Why Haven't We Done More?

The latest U.N. report shows climate change is here -- and its effects will grow. So why haven't we done more?

March 30, 2014
10:00 AM EDT
Search-and-rescue crews work in and around flood waters caused by the Oso mudslide on March 29, 2014 in Oso, Wash. A new climate change report predicts flooding will become more common as the planet warms. | David Ryder/Getty Images