Climate change is here: U.S. federal scientific report

Air Date: May 06, 2014 9:24 PM ET

Climate change is here: U.S. federal scientific report3:31

A new U.S. study declares that climate change has 'moved firmly into the present,' resulting in extreme weather

Segments

More At Issue
The At Issue Team

More The Insiders
The Insiders Team

More The Bottom Line
The Bottom Line Team

More Rex Murphy