The National Science Foundation and DISCOVER magazine hosted a congressional briefing on October 15, 2009, examining what steps must be taken to ensure clean, abundant wind, solar, biomass and geothermal energy for America's future. Featured speakers included James McCalley, professor of electrical & computer engineering at Iowa State University, Massoud Amin, director of the Technological Leadership Institute at the University of Minnesota, and Corey S. Powell, editor in chief at DISCOVER.

Credit: National Science Foundation

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