China and the U.S. have pledged to accelerate their efforts to address climate change ahead of a major U.N. meeting on the issue, making a commitment to take steps to reduce emissions of methane and other greenhouse gases besides carbon dioxide.
They reiterated a pledge made by the Group of 20 nations, of which both are members, to pursue efforts to triple global renewable energy capacity by 2030. If the two countries can work together to shore up the buy-in for the target, that will very considerably smooth the way for having it adopted, said Lauri Myllyvirta, the lead analyst at the Centre for Research on Energy and Clean Air.
Cooperation between the world's two biggest emitters of greenhouse gases is considered vital to the success of the U.N. climate talks opening in two weeks in Dubai.
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