Modern Marvels: Renewable Energy

Perhaps more than any other era, the early 21st century has forced society to face two troubling realities: civilization is dependent on oil, and oil is a finite resource. As the oil supply dwindles, the world must look to renewable sources of fuel, heat, and electricity. Among the most promising technologies include solar, wind, geothermal, and tidal powers. This program offers a behind-the-scenes look at the science behind renewable and environmentally sound methods of energy production.