World leaders gather in Egypt and UN chief warns of “climate hell”.Adam is joined by Chris from the COP27 climate conference in Sharm el-Sheikh to discuss Rishi Sunak’s first international outing since becoming prime minister. They untangle the day’s diplomacy with climate scientist, Dr Tamsin Edwards.Also, Nigel Topping, the UN Climate Change High-Level Champion, joins Adam to explain how the biggest polluting countries could make up for environmental impacts on developing countries.This episode of Newscast is presented by Adam Fleming and made by Tim Walklate with Chris Flynn and Madeleine Drury. The technical producer was Gareth Jones and the assistant editor was Sam Bonham.