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President Donald Trump’s tirade to the United Nations over climate policy should be seen as a belated attempt to thwart a reshaping of the global energy mix, if the latest shifts in energy supply are any indication. In the first half of this year, renewables for the first time produced more electricity globally than coal. This comes after several years of pullback in coal-fired power generation. Of the 12.3 gigawatts slated to be retired from the US grid this year, nearly 70% is from coal-fired plants, according to the Energy Information Administration.