Heatwaves, flooding and droughts will be more frequent and more intense as the world is set to hit 1.5C of global warming.The landmark UN IPCC report is tough reading and warns that humans and our planet face catastrophe without immediate action - so what do we need to do?On this week's episode of Sky News ClimateCast hosts Anna Jones and Katerina Vittozzi look beyond the stark findings to discuss what the world and its leaders need to do to slow climate change.They're joined by Sky's political correspondent Joe Pike to discuss Boris Johnson's position on the world stage ahead of COP26 and explore industries and businesses strategy with UN high level climate action champion, Nigel Topping.Hosts: Anna Jones and Katerina VittozziProducer: Emma Rae WoodhouseContributors: Sky political correspondent, Joe Pike and UN high level climate action champion, Nigel Topping.