Living on Earth: February 17, 2012

President Proposes 2013 Budget / Dolphin Strandings Update / Manned Space - 50 Years and Counting / Chemicals and Health / Smart Bridges / Dying Yellow Cedars / BirdNote® Consider the Ostrich / Sanibel Seashells / America's First Pets Learn more about your ad choices. Visit megaphone.fm/adchoices