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.

Following COP26 in Glasgow, the world is more aware than ever of the urgent need to understand our changing world, and the RRS Sir David Attenborough has a vital role to play in that.” ...

The BBC’s Rebecca Morelle takes a tour of RRS Sir David ... start of the COP26 climate conference. World governments meet in the Scottish city of Glasgow from Sunday. The Attenborough, named ...