“This is civilisation changing stuff”: Is AMOC the hardest climate story to tell?

Europe plunged into a deep freeze. Life as we know it upended. The 2004 film ‘The Day After Tomorrow’ gave a generation of terrified journalists an impossible task: how do you communicate the counter intuitive threat of dramatically colder winters caused by global warming? David Shukman was one of them. This week, Tom Rivett-Carnac is joined by the veteran BBC Science Editor and author of the upcoming ‘The Response’, to explore the Atlantic Meridional Overturning Circulation, or AMOC: the vast system of currents that helps regulate weather, rainfall and temperature across the Atlantic and far beyond. Recent research suggests it may be weakening faster than previously understood - with potentially profound consequences for food systems, ecosystems and global stability. They speak with Dr Willem Huiskamp of the Potsdam Institute for Climate Impact Research, who explains what AMOC does, and what a much weaker system could mean in practice. Then Tom and David reflect on the harder questions. How do we communicate a risk this vast and uncertain without paralysing people or losing them entirely? Are we socially and politically prepared for -50C winters in parts of Europe? And are we even capable of responding to a threat that may unfold over decades rather than across news cycles and political terms? Learn More: 🌊 Discover more about the Atlantic Meridional Overturning Circulation and why scientists are watching it closely 🔎 Read the latest paper referenced in this episode, which projects an approximate 50% weakening of AMOC by the end of the century 📘 Check out David’s book, The Response , which will be published by Witness Books on 7th May 🎤 Leave us your voice notes and questions for upcoming episodes on SpeakPipe Join the conversation: Instagram @outrageoptimism LinkedIn @outrageoptimism Or get in touch with us via this form . Producer: Ben Weaver-Hincks Edited by: Miles Martignoni Planning: Caitlin Hanrahan Exec Producer: Ellie Clifford This is a Persephonica production for Global Optimism and is part of the Acast Creator Network. Hosted on Acast. See acast.com/privacy for more information.

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“This is civilisation changing stuff”: Is AMOC the hardest climate story to tell? is an episode from Outrage + Optimism by Persephonica .

This episode is 45:47 long.

This episode was published on Apr 30, 2026.

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