Sign up for the MSNBC newsletter

You have been successfully added to our newsletter.

Let our news meet your inbox

NOW

Is Obama an environmentalist?

copied!

Bill McKibben and Ricken Patel join Alex Wagner to discuss Sunday's climate march, which garnered 400,000 people, and Tuesday's climate summit, which included speeches from British PM David Cameron and Pres. Obama.Sep.23.2014

BEST OF MSNBC

Play All