Sources for Illustrations in Why Not the Sun? Advantages of and Problems with Solar Energy Podcast

Agence France-Presse. President George W. Bush tours the National Solar Thermal Test Facility

CalFinder Residential Solar Power Contractors. Net metering lets your meter run backwards

Ethan Goffman. Bethesda, MD home with photovoltaic panels and solar collectors

Ethan Goffman. Photovoltaic array, 2007 Solar Decathlon

Ethan Goffman. PV array with onlooker, 2007 Solar Decathlon

Energy Information Administration. U.S. energy subsidies, 2007

European Environment Agency. European energy subsidies, 2001,2007.04/fig1.gif/view

Frontiernet / JCRIT

Getty Images/AFP, Mark Ralston. Mr. Mingde Zhou shows solar panels on the roof of his hostel, Shanghai, March 2006

Getty Images, Jorgen True, Copyright 2007. Wind turbines at the Horns Reef wind farm in Denmark, some 20 kms (12 miles) off the port of Esbjerg

Getty Images, Ralph Orlowski. Buerstadt, Germany: The roof of a warehouse, equipped with solar panels, May 13, 2005

Green Techno Log.

isiria, i-eclectica. Coal is one of the dirtiest energy sources

Jimmy Carter Library. President Carter inspecting a solar heating panel installed on the roof of the White House

Katy Murphy, The Education Report. California solar companies plan to hire new workers

Mobile Solar Water Pumping, Apr 2007. Men discussing solar power unit

MRS Bulletin, January 2005. Best Research-Cell Efficiencies

Nasa. New Phenomena on the Sun

Skycom Elesmt Trading Ltd. Monocrystalline solar panel

Solar Energy Design. Thin film solar panels

Stanford Solar Center. Earth and Sun

Technology Review, Massachusetts Institute of Technology. Abengoa Solar plans to begin operating this solar thermal power plant in Gila Bend, AZ, by 2011

Texas Council for the Humanities

Wikimedia. United States transmission grid (FEMA)

Wikimedia. U.S. Southwest

Wikipedia, the free encyclopedia. Australia hosts the World Solar Challenge where solar cars race

Wikipedia, the free encyclopedia. Daylighting features, as in the Pantheon, have been in use since antiquity

Wikipedia, the free encyclopedia. Parabolic dish, which concentrates sunlight to produce useful solar power

Worldwatch Institute, Janet Sawin, Another Sunny Year for Solar Power, 2008. Annual Global Production of Photovoltaic Cells, 1980-2007

Worldwatch Institute, Janet Sawin, Another Sunny Year for Solar Power, 2008. Photovoltaic Production by Country or Region, 1994-2007 Thin film solar panels