Reuters: China's top climate change negotiator has been removed from the nation's leadership list, appearing to confirm media reports he has retired, but the move has left it unclear who will lead China at crucial climate talks in Paris at the end of the year. Xie Zhenhua was appointed vice-chairman of the National Development and Reform Commission (NDRC) in 2007 and led China's negotiating team during talks aimed at securing a new global treaty to slash greenhouse gas emissions. His name was removed from...