UN panel warns of dire climate change effects
Video duration: 2:33
The message of a report delivered by the Intergovernmental Panel on Climate Change is clear: the world has to act swiftly if it is going to mitigate some of the worst impacts of climate change. But while a majority of Americans may believe there is solid evidence that the planet is getting warmer, only about a third say it should be a legislative priority this year. Judy Woodruff reports.