Geothermal Energy, Pres. Obama on Energy Security & How Climate Affects Our Health

David Steinman interviews David Roberts, senior blogger for Grist.org; Dan Ferber, co-author of "Changing Planet, Changing Health: How the Climate Crisis Threatens Our Health and What We Can Do about It"; and Karl Gawell, executive director of the Geothermal Energy Association. For more info, visit www.grist.org, www.geo-energy.org; www.changingplanetchanginghealth.com, www.healthylivingmag.com, and www.greenpatriotradio.com.