Hurricanes and global warming

The most violent storms carry clues to how our global climate is changing. Hurricane scientist Kerry Emanuel says it's not necessarily the number of tropical disturbances, but the intensity that has him concerned.

Guests

• Kerry Emanuel: Professor of atmospheric science at MIT. He's the author of "What We Know About Climate Change" and "Divine Wind: The History and Science of Hurricanes."

Resources

• Kerry Emanuel's Web site
• Kuehnast Lecture Series
• National Hurricane Center
• Kerry Emanuel: "Phaeton's Reins"
• Intergovernmental Panel on Climate Change