Climate change: Sir David Attenborough in 'act now' warning
"If we don't act now, it'll be too late." That's the warning from Sir David Attenborough ahead of the COP26 climate summit in Glasgow.
The broadcaster says the richest nations have "a moral responsibility" to help the world's poorest.
And it would be "really catastrophic" if we ignored their problems, he told me in a BBC News interview.
"Every day that goes by in which we don't do something about it is a day wasted," he said.
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