It’s 20 years since the Stern Review declared that the costs of inaction on climate change are much higher than the costs of action. So why are emissions continuing to rise? Lord Nicholas Stern tells Bloomberg’s Akshat Rathi why he is optimistic about our ability to tackle climate change and what makes those actions the growth story of the 21st century.

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• Read for free: The Growth Story of The 21st Century

Zero is a production of Bloomberg Green. Our producer is Oscar Boyd. Special thanks to Sommer Saadi and Alyssa McDonald. Thoughts or suggestions? Email us at zeropod@bloomberg.net. For more coverage of climate change and solutions, visit https://www.bloomberg.com/green.

See omnystudio.com/listener for privacy information.

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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• Caroline’s series for The Rest Is Politics
• Zack Polanski on Zero
• Dale Vince on Zero
• Lieutenant General Richard Nugee on Zero

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 zeropod@bloomberg.net. For more coverage of climate change and solutions, visit https://www.bloomberg.com/green.

See omnystudio.com/listener for privacy information.

The Middle East conflict is now in its fifth month, deepening the oil and gas supply shock. Early in the war, analysts worried that the oil price would rise to $200 a barrel, causing a global recession and widespread panic, but that didn’t happen. This week on Zero, Akshat Rathi is joined by Bloomberg Opinion columnist Javier Blas to discuss why oil prices stayed around $100 per barrel and why the war is the start of a new paradigm in energy politics.

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• Javier Blas’ columns
• The Global Oil Cushion Isn’t Really Hitting ‘Tank Bottoms’
• Another Critical Oil Waterway Is About to Close

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 zeropod@bloomberg.net. For more coverage of climate change and solutions, visit https://www.bloomberg.com/green.

See omnystudio.com/listener for privacy information.