The Future of Hydropower

As interest in renewable energy gains momentum around the world, especially in the developing world, much of the attention is going to solar and wind power. But what about hydropower? Is it a dependable and important source of renewable energy into the future? What are the new developments and innovations in hydropower? This video shows an interview with Greg Characklis, Professor of Environmental Sciences and Engineering at the University of North Carolina at Chapel Hill, on the future of hydropower.