Daniel Price (L), U.S. deputy National Security Advisor, speaks with Chinese Foreign Minister Yang Jiechi at the Major Economies Meeting on Energy Security and Climate Change at the State Department in Washington September 27, 2007. The world's biggest greenhouse gas polluters -- including the United States and China -- sent envoys to the U.S. State Department on Thursday for discussions on climate change and what to do about it.
REUTERS/KEVIN LAMARQUE