
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

10 snips
May 28, 2025 • 42min
Is The Tide Turning On Hydrogen? Ep210: Andrew Forrest
In this engaging discussion, Andrew Forrest—Executive Chairman of Fortescue Metals Group and climate advocate—explores the potential of hydrogen in decarbonizing heavy industry and shipping. He shares insights from his transformative journey into climate action, emphasizing innovative hydrogen technologies. Forrest critiques current policies on emissions while highlighting the urgency of tackling lethal humidity and other climate concerns. He argues for diverse energy solutions and the importance of robust regulatory frameworks in moving away from fossil fuels.

9 snips
May 21, 2025 • 44min
Bond Vigilantes, Game Theory, And Why The US Shouldn’t Go It Alone - Ep209: Mohamed El-Erian
Mohamed El-Erian, a world-renowned economist and former advisor to President Obama, shares his insights on the intertwined realms of global finance, politics, and climate change. He discusses how bond markets might be evolving into a new form of governance and the implications of shifting U.S. economic leadership. El-Erian highlights the importance of international cooperation in combatting climate change and critiques the U.S. response to global trade dynamics, particularly in light of China's ascendant green technology sector.

61 snips
May 14, 2025 • 1h 3min
Can You Run a Grid Entirely On Renewables? Ep208: Anders Lindberg
Anders Lindberg, President of Energy at Wärtsilä, discusses the feasibility of running power grids on 100% renewable energy. He highlights the €65 trillion cost by 2050 if we choose this path. The conversation delves into the importance of maintaining some flexible generation, especially gas, to ensure grid reliability. Lindberg also covers Finland's energy challenges, the link between renewables and grid resilience, and the need for innovative technologies to stabilize power systems as renewable integration increases.

14 snips
May 7, 2025 • 45min
Is Geothermal The Future For Oil & Gas? Ep207: Jamie Beard
Jamie Beard, founder of Project InnerSpace, champions the potential of geothermal energy, arguing it could revolutionize our energy landscape. She discusses how the oil and gas industry can pivot toward geothermal solutions, leveraging existing expertise. Despite its current underutilization, Beard reveals that next-gen technologies could provide stable, clean power worldwide. The conversation touches on the political backing for geothermal in the U.S. and critiques alternative energy sources while promoting innovative financing for global projects.

8 snips
Apr 30, 2025 • 58min
Uniper Rising: Can Germany's Gas Giant Go Green? Ep206: Michael Lewis
Michael Lewis, CEO of Uniper, leads one of Germany's largest energy companies through a remarkable transformation after the fallout from Russia's invasion of Ukraine. He shares insights on Uniper's shift from heavy reliance on Russian gas to innovative renewable projects. The conversation touches on Germany's ambitious net-zero goals and the vital role of technology in overcoming energy supply challenges. Lewis also highlights exciting initiatives like using renewable energy for neonatal care in Sierra Leone, blending sustainability with impactful healthcare.

10 snips
Apr 23, 2025 • 58min
Trump vs The Transition, The Pope’s Climate Legacy & The High Price of UK Electricity — Ep205
The hosts dive into the swift political shifts following Trump's reelection, impacting global climate policies and trade relations. They discuss Pope Francis's environmental legacy and the moral urgency for climate action. The conversation highlights economic instability driven by tariffs, the energy landscape in Canada, and the promising rise of solar energy, with a report noting that clean electricity has hit 40%. Additionally, they explore global electricity demand and China's crucial economic role, ending on a hopeful note for the future of renewables.

Apr 9, 2025 • 38min
We Built a Solar System That's Saving Babies’ Lives — Ep204: Project Bo, Sierra Leone
Dr. Niall Conroy, a pioneering doctor who established a neonatal intensive care unit in Sierra Leone, discusses his inspiring project, Project Bo. This solar initiative is crucial for providing reliable electricity, saving vulnerable newborns from the dangers posed by frequent power outages. He shares the transformative impact of solar power on neonatal care, enhancing survival rates and improving conditions for both infants and their mothers. Conroy also emphasizes the significance of ongoing support to ensure these life-saving resources remain accessible.

22 snips
Apr 2, 2025 • 54min
What Happened to Google's Climate Ambitions? | Ep203: Kate Brandt
Kate Brandt, Google's Chief Sustainability Officer and former advisor on energy to President Obama, dives into the tough balance between tech innovation and climate goals. She discusses Google's ambitious target to halve emissions by 2030 and the challenges they face, especially with rising AI energy demands. Brandt shares insights from her Pentagon days on energy security and highlights cutting-edge sustainable technologies emerging from Alphabet's projects. The conversation also touches on the revolutionary role of AI in combating climate change while navigating the complexities of corporate responsibility.

32 snips
Mar 26, 2025 • 1h 9min
Net Zero Isn’t Impossible, It’s The Key To UK Prosperity — Ep202: Emma Pinchbeck
In this discussion, Emma Pinchbeck, CEO of the Climate Change Committee, shares her insights on the UK’s impressive progress in reducing greenhouse gas emissions while boosting the economy. She emphasizes the importance of leadership and accountability in decarbonization efforts and reflects on the challenges of transitioning from fossil fuels to renewable energy. Emma also unveils the need for innovation in climate solutions, advocating for collaborative efforts between government and markets to secure a sustainable, prosperous future.

22 snips
Mar 19, 2025 • 1h 7min
Can Europe Survive the Transition To Renewables? Ep201: Nikos Tsafos
Nikos Tsafos, Greece’s Deputy Minister of Energy, dives into Europe's challenging energy transition amidst global tensions. He discusses the implications of high energy prices on climate goals and critiques the EU's reliance on US LNG and Chinese clean tech. With Europe's carbon emissions on the rise, he emphasizes the need for tailored decarbonization targets to enhance efficiency. Tsafos also explores Greece's successful shift from coal to renewables, stressing the importance of strategic investments in modern energy infrastructure.