Bloomberg: China wants a binding global climate-change agreement by late 2011, the China Economic Times reported today, citing Li Gao, a Chinese negotiator. China, the world’s largest greenhouse gas emitter, hopes definite measures for the next decade will be implemented after the United Nations conference in South Africa scheduled for the end of next year, Li told the newspaper. The biggest obstacle to reaching an accord is the U.S., he said. Without domestic legislation, the U.S. can’t …