. . . "Discover the latest thinking from solar enthusiasts and skeptics as it investigates these cutting-edge research developments. The program introduces viewers to the scientists and businesspeople who are racing to make solar power practical." . "Solar energy : saved by the sun" . . . . "Solar Energy:Saved by the Sun" . . . . "Documentary television programs" . "Fossil fuels United States." . . "Energy industries United States." . . "Solar energy. Economic aspects United States." . . "Solar Energy." . . "Solar energy." .