John Kerry warns of climate threat at talks overshadowed by Trump – video

US secretary of state John Kerry urges countries to treat the earth's changing climate as an urgent threat as he addresses the uncertainty created by the election of Donald Trump. 'Obviously an election took place in my country, and I know it's left some here and elsewhere feeling uncertain about the future,' he told the audience, before reiterating that a majority of citizens in the US believe climate change is a real threat

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