Hurricanes change with global climate

Hundreds of thousands of Texans are fleeing as Hurricane Ike barrels towards the coastline. Are the hurricanes, tropical storms, tornadoes and extreme weather we’ve seen lately just random chance? Are these storm clusters seasonal? Or are humans and global warming causing more storms and more severe storms? The Takeaway talks to MIT atmospheric science professor Kerry Emanuel to find out.
Guest: Kerry Emanuel, atmospheric scientist and meteorologist at MIT’s Department of Earth, Atmospheric, and Planetary Sciences