COP27: World leaders open climate talks

We'll hear from our team at COP27 about what what is expected from this year's summit, and we'll have messages from people around the world about how climate change is affecting their lives. We'll explain some of the key phrases you'll be hearing throughout the conference - with the help of our Environment Correspondent.

More than 1,500 new graves have been dug at a mass burial site near the southern Ukrainian city of Mariupol. Our correspondent will explain the analysis of satellite images carried out for the BBC. We'll also hear what people who've left Mariupol have been telling her about the fighting in the city.

(Photo: President of France, Emmanuel Macron, meets with British Prime Minister Rishi Sunak ahead of a bilateral meeting during the COP27 summit at Sharm el-Sheikh, Egypt. Picture date: Monday November 7, 2022. Credit: Stefan Rousseau/Pool via REUTERS)