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When climate change threatens national security

August 13, 2026 · 37 min

Show notes

The impacts of climate change are becoming not just unignorable, but unbearable. Yet the political consensus around climate action is fracturing, as leaders debate the speed and scale of the changes needed. This week on Zero, Akshat Rathi speaks with Caroline Lucas, the former head of the UK’s Green party and a member of parliament for 14 years, about the increasing threat climate change poses to national security, and what she’s learned from four decades at the frontline of climate politics.  

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Zero is a production of Bloomberg Green. Our producer is Oscar Boyd. Special thanks to Summer Maxwell, Sommer Saadi, Alyssa McDonald and Laura Millan. Thoughts or suggestions? Email us at [email protected]. For more coverage of climate change and solutions, visit https://www.bloomberg.com/green.

See omnystudio.com/listener for privacy information.

All episodes of Zero: The Climate Race

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