Sign up for the MSNBC newsletter

You have been successfully added to our newsletter.

Let our news meet your inbox

msnbc

Obama's environmental agenda

President Obama has said climate change and energy policy are a key part of his vision for a second term. Penn State University Professor Michael Mann, who shared the Nobel Peace Prize in 2007 with his fellow climate change report authors and former Vice President Al Gore, joins Msnbc's Craig Melvin to discuss.

BEST OF MSNBC

Play All