China is the world's largest energy producer and consumer, the largest exporter of solar, the current leader in nuclear, and emits of global CO2. This makes China's energy and climate policies of vital concern to all nations. Dr. David Sandalow, Founder & Director of Columbia's US-China program, and Dr. Wei Peng, Assistant Professor, School of Public and International Affairs & Andlinger Center for Energy and the Environment, Princeton University.