New York Times: China’s lead negotiator for climate change has said that countries do not expect to reach a binding climate treaty this year, and climate officials will instead focus on trying to narrow their differences ahead of year-end climate talks in Cancún, Mexico. The negotiator, Xie Zhenhua, said that talks starting on Oct. 4 in Tianjin will pave the way for the meeting in Mexico, according to a report on Thursday in China Daily. He said at a news conference on Wednesday that if the meetings went …