A climate summit of world leaders in 40 days’ time will be the "turning point for humanity", UK Prime Minister Boris Johnson has said in a speech to the United Nations.
He warned that global temperature rises were already inevitable, but called on his fellow leaders to commit to major changes to curb further warming.
Four areas needed tackling – "coal, cars, cash and trees", he said.
Countries must take responsibility for "the destruction we are inflicting, not just upon our planet but ourselves".
"It’s time for humanity to grow up," he added ahead of the UK hosting the COP26 summit in Glasgow.
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