On September 22, 2009, President hu jintao of the People's Republic of China in the United Nations climate change summit opening ceremony issued the hand in hand to deal with climate change challenges "speech. He represents the Chinese government and people dignified pledge, in the future, China will further to cope with climate change into the planning for social and economic development, and continue to take strong measures. To the 2020 unit of gross domestic product in 2005 than carbon dioxide emissions down significantly. On September 24, 2009 the People's Daily overseas edition, "published by the United Nations authorized sole UN secretary general ban ki-moon Chinese version of the article" let we reached an agreement!" . Article ban ki-moon says: "I'm in 22 September, presided the United Nations climate change issues special summit, more than 100 world leaders to attend the meeting, this is the largest ever in the history of the heads of state and government party. They face collective challenge is: change the climate crisis for the opportunity, in all countries to realize more security, more clean, more sustainable. 2009 years