Deadly blasts hit Ukraine’s biggest cities as Russia’s armoured convoy advances on Kyiv… Adam is joined by the BBC’s diplomatic correspondent James Landale and political correspondent Alex Forsyth to discuss Britain’s role in the crisis and whether diplomacy still has a part to play.And just four months on from the COP26 conference in Glasgow, a new United Nations report says that many of the effects of climate change are now ‘irreversible’. But Professor Richard Betts, lead author of the IPCC report, tells us there’s still a small window to prevent even worse outcomes for the planet. Today’s Newscast was made by Tim Walklate with Ben Cooper and Alix Pickles. The studio director was Mike Regaard. The assistant editor was Alison Gee.