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.

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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.

Explore further:

• 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.

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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.

Explore further:

• 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.

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How should we navigate a world in which anxieties about AI, climate change and capitalism collide? This week on Zero, Akshat Rathi speaks with Helen Phillips, author of Hum and the second-ever winner of the Climate Fiction Prize. Rathi asks Phillips how she’s transformed her anxieties into captivating prose, how her relationship to technology has changed through writing and what humanity loses out on if we rely on AI too much.

Past episodes of Zero’s Imagine series:

• Abi Dare on finding the best climate stories
• Julia Wolfe on How Music can Inspire Climate Action
• George Saunders on Climate Guilt, AI and Critical Thinking
• Kim Stanley Robison on Abundance, Adequacy and Better Climate Futures
• Artist Monira Al Qadiri on the End of Oil

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.

On a windswept cliff at the edge of Tasmania, scientists are quietly tracking the future of our planet. This week, host Rebecca Jones speaks with David Stringer, managing editor of climate and ESG news in Asia, about Kennaook/Cape Grim — home to some of the cleanest air on Earth and one of the world’s most important climate monitoring stations.

Learn how decades of data are reshaping our understanding of climate change, why the site matters to governments and investors, and what Australia’s role could be in the global climate fight.

Read more:

• Listen to our episode with Dale Vince about how the UK can lower energy bills
• Sign up to the Bloomberg Australia podcast

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Andy Burnham has become the UK’s sixth prime minister in just 10 years. When it comes to energy and climate, Labour Party’s Burnham will inherit many of the same challenges of his predecessors: high energy prices, security of supply and an increasingly polarized debate over the UK’s ambitions to reach net zero. This week on Zero, Akshat Rathi sits down with Dale Vince, founder of Ecotricity and major donor to Labour, to ask can a new UK government make energy cheap?

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.

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Hundreds of millions of people around the world have no access to reliable electricity, a problem that doesn’t seem to be going away. Since US President Donald Trump started his second term, Western countries have cut development funding, including for climate projects. This week on Zero, Bloomberg’s Akshat Rathi asks Philippe Valahu, chief executive officer of Private Infrastructure Development Group, why it is still so hard to secure climate finance for developing countries.

Explore further:

• Zero: How the Financial System Can Work for Climate - Bloomberg
• Zero: Ethiopia's Extraordinary Electric Car Boom - Bloomberg
• Bloomberg Green’s extreme heat series

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 great famine of the 1870s killed 50 million people – and El Niño was a key driver. Another El Niño phase has just begun and it’s expected to be among the strongest. There are five times as many people in 2026 as there were in the 1870s and the planet is 1.4C hotter. So are we better prepared? Bloomberg’s Akshat Rathi speaks with Mingfang Ting, professor of climate at Columbia University, about the natural phenomenon and its interaction with human-caused climate change.

Read more:

• Bloomberg Green's deep dive on extreme heat

Zero is a production of Bloomberg Green. Our producer is Oscar Boyd. Special thanks to Sommer Saadi, Mohsis Andam, Alyssa MacDonald 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.