In July the New York Times asked Americans what they thought the top source of energy would be 15 years from now. The sun was the top pick. For a small group of homeowners in Ohio the switch to solar power has already begun. Al Compaan, a professor at the University of Toledo and David Carpenter, a physics teacher in Deleware, Ohio, told freelance producer Sandra Sleight-Brennan how their concerns about climate change lead to some major life changes.
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