Renewable energy advocates maintain that converting from fossil fuels to energy sources like solar, would be more economically beneficial, and better for the Earth’s climate. While U.S. politicians argue over the reality of climate change, author Philip Warburg, wants us to know that “pioneers” are utilizing American inner-cities, desert regions and abandoned industrial parks to transform energy policy. He joins us to talk about some of the major, and little known, solar projects detailed in his new book, ‘Harness the Sun: America’s Quest for a Solar-Powered Future’. (Photo: Flickr/Michael Coghlan)