Physicist Steven Chu is poised to become the next U.S. Secretary of Energy, a position in which he will help shape energy policies for the nation. In the spring of 2008, while Chu was still serving as the Director of the Lawrence Berkeley National Laboratory and did not yet know about his selection for the Energy post, NOVA producer Larry Klein spoke with him about California's aggressive initiatives to curtail greenhouse gases and push the state toward renewable sources of energy. Hear what Chu had to say about California's controversial initiatives, global warming, nuclear power, and more.
