Abstract: This paper comprehensively analyzes major outcomes of the Copenhagen climate change conference 2009, looks forward key issues in the recent international negotiation on climate change, and also analyzes new international situation and challenges on addressing climate change faced by China. The paper also proposes systematic measures for China to enhance the capacity of addressing climate change, including taking the issue of addressing climate change into the legal system, expanding the social consciousness on addressing climate change, developing and popularizing climate-friendly technologies, enhancing the infrastructure of weak parts, raising the comprehensive capacity of China's adaptation to climate change, actively exploring the market system and mechanism for addressing climate change in accordance with China's national conditions, strengthening scientific research on climate change, and raising the scientific soft power on addressing climate change.

Key words: Copenhagen, climate change, international situation, rational thinking