Bill McKibben on Confronting Climate Change
![](https://media.wnyc.org/i/800/0/c/85/1/7986311115_550f137c5d_b.jpg)
Bill McKibben spoke to students at the University of Michigan, Sept. 14, 2012.
( University of Michigan / flickr )
( University of Michigan / flickr )
Produced by Ellen Frankman