UN head António Guterres: “Record global heating should send shivers down the spines of world leaders.” Ice-world has tipped – no going back. Dr. Twila Moon from National Snow & Ice Data Center new “State of the Cryosphere 2023 Report”. The ozone hole is back! Hannah Kessenich “Potential drivers of the recent large Antarctic ozone holes” – and how it changes weather in Southern Hemisphere.