United States Secretary of Energy, Dr. Steven Chou discusses the current and likely energy problems that face our country and world. He explains how our climate is currently being affected by CO2 and what we should expect in the years ahead. Dr. Chou also discusses possible solutions, technologies and how solar, wind, hydro and even nuclear technologies may provide the best solutions moving forward. these This video is early two hours in length, but provides a good perspective on Dr. Chu and his insights in energy and our likely options.