The National Center for Climate Change Strategy Research and International Cooperation (hereinafter referred to as the National Climate Strategy Center) is a direct-level institution directly under the Ministry of Ecology and Environment. It is also a national-level strategic research institution and international cooperation and exchange window for China's response to climate change. The main responsibilities of the center include organizing research on China's strategic planning, policies and regulations, international policies, statistical assessment, information training and carbon market for climate change, and formulating policies for China's climate change and international climate change negotiations. And cooperation to provide decision support; at the same time, commissioned by the higher authorities to carry out CDM projects, carbon emissions trading, national data and information management related to climate change, and publicity and training for climate change.