Living on Earth: January 25, 2013

Obama's Climate Promise / Obama Cites Religious Commandments to Act on Climate Change / Mercury Dangers Around the World / A New International Treaty on Mercury / BirdNote ® Barred Owl / Research Update on the Impact of BP Oil Spill / America's Bats on the Brink / Can Prairie Dogs Save Mexico's Prairie From the Desert? Learn more about your ad choices. Visit megaphone.fm/adchoices