Several of the studies indicate that total emission of greenhouse gases (GHGs) in China might exceed that of the U.S. in 2020. Thus, the quantity of GHGs emission in China will be the largest in the world at that time. In the future, China will be confronted with more serious pressure in international negotiation of global climate change and GHGs reduction. Therefore, it is necessary for Chinese government to set down a comprehensive national strategy to guide the interior and foreign policies r...