What does Trump’s UNFCCC exit mean for climate diplomacy?

What happens when the world’s most powerful country walks away from the system it helped to build? This week, we examine the United States’ decision to withdraw not only from the Paris Agreement, but from the UN Framework Convention on Climate Change itself - alongside dozens of other international bodies. Headlines declared the end of multilateral climate cooperation. But is that really what this moment represents? Christiana Figueres, Tom Rivett-Carnac and Paul Dickinson unpack what has actually been announced - and what it does (and doesn’t) change in practice. They are joined by Sue Biniaz, former US Deputy Special Envoy for Climate Change and one of the quiet architects of decades of climate diplomacy. Sue brings rare insight into whether a US president can legally withdraw from a Senate-ratified treaty, the surprising pathways by which a future administration could rejoin, and what influence the US may still wield as a non-party. Could the absence of the US voice, paradoxically, unlock progress elsewhere? And in a fractured world, where does collective climate leadership now come from? Learn more: 🎥 Watch our hosts’ immediate response to the US UNFCCC withdrawal announcement, recorded the day after news broke 📰 Read the New York Times profile of Sue Biniaz by Lisa Friedman: Meet the Closer Who Finds the Right Words When Climate Talks Hit a Wall 📄 Dive into the Just Security article penned by Sue Biniaz and Jean Galbraith on treaty withdrawal and re-entry 🎤 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 Planning: Caitlin Hanrahan Assistant Producer: Caillin McDaid 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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What does Trump’s UNFCCC exit mean for climate diplomacy? is an episode from Outrage + Optimism by Persephonica .

This episode is 37:55 long.

This episode was published on Jan 15, 2026.

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