
Cleaning Up: Leadership in an Age of Climate Change
Once a week, Michael Liebreich and Bryony Worthington have a conversation with a leader in clean energy, mobility, climate finance or sustainable development. Informative, inspiring and fun!
Latest episodes

21 snips
Jan 29, 2025 • 56min
First Cars, Now Planes: Is The Future of Flying Electric? Ep194: Anders Forslund
Anders Forslund, Co-founder and CEO of Heart Aerospace, is at the forefront of revolutionizing air travel with hybrid-electric aircraft. He discusses the urgent need to decouple aviation growth from carbon emissions, showcasing his 30-seater plane that's set for its first test flight soon. Forslund highlights the challenges of innovation in aviation technology, emphasizing the importance of sustainable solutions. He also shares insights on how electric aircraft could reshape long-haul travel and improve airport infrastructure, all while navigating the urgent climate crisis.

43 snips
Jan 22, 2025 • 56min
Audioblog 14: Generative AI — The Power and the Glory
Can AI be a hero or a villain for the climate? The podcast dives into how AI is reshaping global energy needs and the challenges of keeping up with the power demands of data centers. It examines the economic nuances of AI services and their implications for both tech companies and consumers. Additionally, listeners learn about advancements in AI efficiency and the pressing call for clean energy amid increasing carbon footprints. A fascinating comparison of human intelligence versus generative AI wraps up the discussion, inviting community engagement.

19 snips
Jan 15, 2025 • 1h 11min
Five Years In, How Has The Bezos Earth Fund Used Its Billions? Ep192: Dr. Andrew Steer
Dr. Andrew Steer, President and CEO of the Bezos Earth Fund, shares insights on leveraging $10 billion to combat climate change effectively. He discusses the balance between funding large NGOs and innovative startups, emphasizing collaboration. The conversation highlights initiatives like electrifying school buses and the significance of alternative proteins for sustainable agriculture. Steer reflects on navigating carbon markets and the importance of transparency and accountability in climate efforts, stressing the urgent need for a new mindset in the environmental movement.

38 snips
Jan 8, 2025 • 1h 1min
Petrostate USA vs Electrostate China — Place Your Bets | Ep191
The discussion kicks off with reflections on the global energy transition, highlighting China's rapid electrification. The hosts dissect the contrasting energy strategies of the U.S. and China, emphasizing the fossil fuel vs. clean technology debate. Insights on the revival of nuclear energy reveal its essential role amidst rising electricity demands. The complexities of climate advocacy and negotiations in this evolving political landscape are explored, stressing the need for diverse viewpoints in addressing climate change.

64 snips
Jan 1, 2025 • 59min
Lifting the Curtain on Climate Denial — Naomi Oreskes — Cleaning Up Redux
Naomi Oreskes, a leading historian of science from Harvard University and author of 'Merchants of Doubt,' unpacks the pervasive issue of climate denial. She explores the historical ties between funding sources and scientific integrity, revealing how propaganda shapes public perceptions of climate science. Oreskes draws parallels between tactics used by climate deniers and those of the tobacco industry, emphasizing the need for accountability in addressing climate change. Ultimately, she highlights the power of love and compassion in inspiring collective environmental action.

42 snips
Dec 25, 2024 • 1h 5min
Cleaning Up Redux: The Einstein of Energy Efficiency - Amory Lovins
Amory Lovins, co-founder of the Rocky Mountain Institute and an expert in energy efficiency, shares his insights on sustainable design. He discusses the urgent need to cut clean energy costs and highlights innovative building designs that promote energy efficiency. Lovins introduces the "3% Challenge" aimed at boosting global efficiency rates and debunks myths about nuclear power versus renewables. With his concept of 'applied hope,' he emphasizes how energy efficiency can drive economic growth and help achieve net-zero goals.

46 snips
Dec 18, 2024 • 1h 25min
Have We Lost The Climate Argument? Ep190: Lord Adair Turner
In this discussion, Adair Turner, Lord Turner of Etchinswell, chair of the Energy Transitions Commission, delves into the urgent need for climate action. He highlights the promising advancements in solar and battery technologies but warns about the political challenges facing rapid decarbonization. Turner emphasizes the role of nuclear power in a diversified energy portfolio, advocates for innovative electricity pricing, and critiques global climate finance complexities, all while maintaining an optimistic outlook on achieving net zero by 2070-2080.

9 snips
Dec 11, 2024 • 57min
How Climate Philanthropy Spends Its Billions | Ep189: Greg De Temmerman
In this engaging discussion, Greg de Temmerman, Deputy CEO of the Quadrature Climate Foundation, shares his journey from plasma physics to philanthropy, revealing how climate philanthropies are investing billions to combat climate change. He highlights groundbreaking advancements in fusion energy, material science, and the pivotal role of AI. Greg emphasizes the challenges of the energy transition, advocating for a science-led approach to funding and innovation. He compares the climate fight to ultra-running, illustrating the endurance required for long-term solutions.

24 snips
Dec 4, 2024 • 1h 7min
Is The International Order Too Weak To Stop Climate Change? Ep188: James Cameron
James Cameron, an esteemed international climate lawyer, delves into the recent COP29 outcomes and the pressing question of securing the promised $300 billion for climate initiatives. He highlights the vital role of small island states in negotiations and the need for reforms to enhance the COP process's impact. Cameron critiques the inconsistencies of fossil fuel nations and advocates for equitable climate finance to address historical emissions responsibilities. The conversation culminates in a hopeful outlook for future climate conferences, stressing the urgent need for effective action.

58 snips
Nov 27, 2024 • 1h 13min
Can Exponential Growth Save a Finite Planet? — Ep187: Azeem Azhar
Azeem Azhar, founder of Exponential View, dives into the intersection of exponential technology and climate change. He examines the dual-edged sword of rapid energy demands driven by AI and data centers. The discussion covers the promise of renewable sources, challenges in hydrogen adoption, and the nuances of decentralized energy systems. Azeem sheds light on innovative strategies being implemented by data centers to harness clean energy and emphasizes the need for societal choices to drive positive outcomes in technology and sustainability.
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