DeBriefed 26 June 2026: Heat records broken across Europe | London climate action week | Introducing ‘Project Cosmos’

Europe broke multiple heat records in June 2026, with the UK, France, Spain, and Switzerland reporting unprecedented temperatures linked to climate change. At London climate action week, UN chief António Guterres urged methane reduction and AI companies to use renewable energy by 2030, while governments committed to accelerating global electrification.