In this podcast, California governor Arnold Schwarzenegger describes his state's plan to fight global warming.Podcast produced by David Levin and Susan Lewis. Interview by Larry Klein. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.To learn more about California's new green energy policies, visit our website at pbs.org/nova/energy