Times (UK): China has unveiled its first firm target to curb greenhouse gas emissions, and said that the Premier, Wen Jiabao, will attend climate change talks in Copenhagen next month. The State Council, or Cabinet, pledged yesterday to cut carbon dioxide emissions per unit of gross domestic product by 40 to 45 per cent by 2020 compared with 2005 levels. It said: “This is a voluntary action taken by the Chinese Government based on its own national conditions and is a major contribution to …