Contact: Louis Bergeron
louisb3@stanford.edu
650-725-1944
Stanford University

Professor Mark Z. Jacobson, Stanford University

Caption: Mark Jacobson analyzed what is needed to convert the world's energy supplies to clean and sustainable sources and says that it can be done with today's technology at costs roughly comparable to conventional energy.

Credit: L.A. Cicero, Stanford University News Service

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Related news release: The world can be powered by alternative energy, using today's technology, in 20-40 years