Source: South China Morning PostThe window of opportunity is narrowing for climate cooperation between China and the United States, observers and environmentalists have warned, after a visit by Joe Biden’s special climate envoy appears to have yielded little result.John Kerry wrapped up his visit to Shanghai on Saturday after spending the past two days in closed-door talks with his Chinese counterpart Xie Zhenhu as the US sought China’s cooperation ahead of the US President’s climate summit next week.The former secretary of…Read More