Argus Website Welcome, Guest | Log In Washington, 3 September (Argus) — China is responding coolly to US overtures to cooperate on climate change ahead of UN summit in November while relations between the two countries are worsening on nearly every other front. The US should remove the "stumbling blocks" on climate change cooperation, senior Chinese officials told US presidential climate envoy John Kerry on his visit to China this week. That suggests Beijing views the decarbonization agenda through the prism of the overall bilateral relations. Kerry is on a week-long tour of major northeast Asia economies to urge them…