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Cleaning Up: Leadership in an Age of Climate Change
Cleaning Up: Leadership in an Age of Climate Change
Author: Michael Liebreich, Bryony Worthington
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© 2024 Cleaning Up
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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!
265 Episodes
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This week on Cleaning Up, Michael Liebreich sits down with Miguel Stilwell d’Andrade, CEO of EDP, one of the world’s leading clean energy companies.From the front lines of the energy transition, Miguel explains why electricity demand in the United States is exploding, driven by AI, data centres, and re-industrialisation, and why this could make renewables one of the most attractive investments of the decade. He also shares how EDP transformed itself from an 80% coal-based utility into a company generating over 90% of its electricity from renewables.But the transition hasn’t been entirely smooth. Miguel recounts the dramatic moment when Spain’s grid collapsed, taking Portugal down with it, and what it taught him about resilience, grid stability, and the hidden challenges of running a modern clean power system.They also dive into:Why soaring power demand is changing energy economicsThe real story behind renewable costs and rising electricity pricesThe link between European competitiveness and energy independenceThe political and economic reality of investing in US clean energyWhy resilience may define the next phase of the transitionThis episode was recorded prior to the recent storms in Portugal. For more information on how EDP is responding to the storms, and what to do if you are affected by them, please visit: www.edp.comLeadership Circle:Cleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Davidson Kempner, EcoPragma Capital, EDP, Eurelectric, the Gilardini Foundation, KKR, National Grid, Octopus Energy, Quadrature Climate Foundation, Schneider Electric, SDCL and Wärtsilä. For more information on the Leadership Circle, please visit https://www.cleaningup.live.Links and more:EDP website: https://edp.com/enThe £60 Billion Plan To Rewire Britain | Ep227: John Pettigrew https://www.youtube.com/watch?v=S7Lg1A958aAThe Enormous Ambition Of Germany’s New Grid Build Out | Ep233: Tim Meyerjürgens: https://www.youtube.com/watch?v=PQgUuJ-dx78The $60 Billion Plan For Europe’s Largest AI Data Centre | Ep235: Robert Dunn https://www.youtube.com/watch?v=juAyLAUmU3wThe Price of Resilience - Ep8: Roger Dennis https://www.youtube.com/watch?v=CELQT31riDE
This week on Cleaning Up, Michael Liebreich sits down with carbon removal insider Robert Höglund, CEO of Marginal Carbon, co-founder of CDR.fyi and architect of MilkyWire’s Climate Transformation Fund, for a deep dive into what’s working and what’s not in carbon dioxide removal and corporate climate action.Drawing on five years of hands-on experimentation funding everything from biochar to direct air capture and policy advocacy, Höglund challenges the dominant “speed and scale” narrative. Instead, he makes the case for a new phase: prove and learn. Together, Michael and Robert unpack why the highest-impact climate interventions are often the least measurable, why corporate net-zero targets are more conditional than we admit, and what it will actually take to make carbon removal credible, scalable, and worth paying for.Leadership Circle:Cleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Davidson Kempner, EcoPragma Capital, EDP, Eurelectric, the Gilardini Foundation, KKR, National Grid, Octopus Energy, Quadrature Climate Foundation, Schneider Electric, SDCL and Wärtsilä. For more information on the Leadership Circle, please visit https://www.cleaningup.live.Links and more: Marginal Carbon: Marginal CarbonCDR.fyi: https://www.cdr.fyi/MilkyWire Climate Transformation Fund: https://milkywire.com/Carbon Gap: https://carbongap.org/Julio Friedmann on Cleaning Up: https://youtu.be/DX7k6qnTxE8
What if the future of clean energy isn’t decided in Washington, Brussels, or Beijing, but in Lagos, Nairobi, and Addis Ababa? Are we underestimating how fast the Global South is leapfrogging fossil fuels? And what happens when clean energy becomes the cheapest, fastest path to development, not a climate sacrifice?In this episode of Cleaning Up, Michael Liebreich is joined for a third time by Damilola Ogunbiyi, CEO and UN Special Representative for Sustainable Energy for All and Co-Chair of UN Energy. Together, they explore how Africa and the wider Global South are quietly reshaping the global energy transition, from rapid growth in solar, storage, mini-grids, and EVs to bold policy moves that many developed economies haven’t dared to make.They dive into why energy access is about dignity, health, and gender equality; why finance, not technology, is the real bottleneck; and how local capital, data, and innovation could determine whether “Most of World” powers its future with clean energy or fossil fuels.Leadership Circle:Cleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Davidson Kempner, EcoPragma Capital, EDP, Eurelectric, the Gilardini Foundation, KKR, National Grid, Octopus Energy, Quadrature Climate Foundation, Schneider Electric, SDCL and Wärtsilä. For more information on the Leadership Circle, please visit https://www.cleaningup.live.Links and more:Sustainable Energy For All: https://www.seforall.orgDamilola’s past appearances on Cleaning Up:https://youtu.be/TbN1Y1C0idohttps://youtu.be/VcpNOmm1pMwBan Ki-moon on Cleaning Up: https://youtu.be/B14_MeRhfBwThe Sierra Leone Documentary: https://youtu.be/z-5QjSfy2SMClemens Calice on Cleaning Up: https://youtu.be/urmP7zN6n04Alain Ebobissé on Cleaning Up: https://youtu.be/ISTvp0BQz3E
How do we model the climate system? How warm will 2026 be? And can geoengineering be anything more than a bandaid?
This week on Cleaning Up, Bryony Worthington sits down with leading climate scientist Dr. Zeke Hausfather on the day the 2025 global temperature data is released. Despite a La Niña year, the planet has just experienced one of its hottest years on record — pushing us ever closer to the 1.5°C threshold.
Zeke explains why recent warming has accelerated, how declining air pollution may be unmasking hidden heating, and what disappearing cloud cover could mean for climate sensitivity.
The conversation ranges from the surprising accuracy of early climate models, the risks of rising nationalism, and what the U.S. withdrawal from international science means for the world.
They also tackle controversial questions: Are worst-case climate scenarios still plausible? Is geoengineering a dangerous distraction — or an emergency brake? And can carbon removals ever work economically at scale.
Leadership Circle:
Cleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Davidson Kempner, EcoPragma Capital, EDP, Eurelectric, the Gilardini Foundation, KKR, National Grid, Octopus Energy, Quadrature Climate Foundation, SDCL and Wärtsilä. For more information on the Leadership Circle, please visit https://www.cleaningup.live.
Discover more:
Zeke’s articles in the New York Times: https://www.nytimes.com/by/zeke-hausfather
Zeke on LinkedIn: https://www.linkedin.com/in/zeke-hausfather-7327699/
Zeke’s Blog on Substack: https://www.theclimatebrink.com/p/my-2026-and-2027-global-temperature
Why does Africa, home to 18% of the world’s population, receive just 1% of global energy investment? What’s stopping money from flowing to the continent when it has such good wind and solar potential? And what would it take to unlock an energy boom that benefits both Africa and Europe?Spread across 54 countries and with a combined GDP the size of Italy, Africa's population is young and growing rapidly. It is set to grow from 1.5 billion people today to 2.5 billion by 2050. And it could reach 4 billion by 2100, accounting for two out of every five people on the planet. Africans want and deserve the same prosperity shared by richer parts of the world. And that means investment. So why is investment not flowing? This week on Cleaning Up, Michael Liebreich speaks with Clemens Calice, CEO and founder of Cygnum Capital, which invests around $1.3 billion in Africa’s energy transition. Together they explore why risk perception and outdated models are slowing investment across Africa. From rooftop solar for factories and mines, to electric motorbikes, power pools, and the geopolitics of gas, this episode makes the pragmatic case for how Africa can leapfrog to a cleaner, more resilient energy future.Leadership Circle:Cleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Cygnum Capital, Davidson Kempner, EcoPragma Capital, EDP, Eurelectric, the Gilardini Foundation, KKR, National Grid, Octopus Energy, Quadrature Climate Foundation, SDCL and Wärtsilä. For more information on the Leadership Circle, please visit https://www.cleaningup.live.Discover more:Cygnum Capital: https://www.cygnumcapital.comEpisode 196, Lucy Heintz of Actis: https://www.youtube.com/watch?v=nhGDI_0QIHgEpisode 216, Daniel Calderon of Alcazar Energy: https://www.youtube.com/watch?v=WMhFOWO4C84Episode 120, Ana Hajduka, founder of Africa Green Co.: https://www.youtube.com/watch?v=ktWh_G6Sw_g
How do we build a clean energy system while bringing UK bills down? Can the UK’s landmark Climate Change Act stand up to a fractured climate politics? And does increasing global instability make home-grown energy more important than ever?This week’s episode of Cleaning Up comes to you from inside of the UK’s Department for Energy Security and Net Zero, where last week Bryony Worthington sat down with Katie White MP, the UK’s recently appointed Climate Minister, to discuss her new role, what she’s excited about, and current challenges that she’s facing.Katie and Bryony met more than 20 years ago when they worked together at Friends of the Earth on the campaign for the Climate Change Act. In her new role, Katie is now the minister responsible for carbon budgets and net zero, alongside other climate priorities. It was only 12 months after she was elected as an MP for Leeds North West that Katie was promoted Climate Minister, in what she’s described as her dream job.From their shared history campaigning for the Climate Change Act to today’s challenges of energy affordability, electrification and public consent, Katie and Bryony unpack what’s working, what isn’t, and how to connect climate action to lower bills, stronger security and a better quality of life.Leadership Circle:Cleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Cygnum Capital, Davidson Kempner, EcoPragma Capital, EDP, Eurelectric, the Gilardini Foundation, KKR, National Grid, Octopus Energy, Quadrature Climate Foundation, SDCL and Wärtsilä. For more information on the Leadership Circle, please visit https://www.cleaningup.live.Discover more:Katie White biography and brief: https://www.gov.uk/government/people/katie-whiteKatie White’s constituency website: https://katiewhitemp.org.uk/
Is the link between oil and geopolitics starting to diminish? Has climate consensus fractured just as clean energy hits escape velocity? And are batteries, not barrels, becoming the true source of power and security?In the first episode of Season 17 of Cleaning Up, Michael Liebreich and Bryony Worthington unpack a turbulent start to 2026. From shock geopolitical moves in the Americas and riots in the Middle East to the curious calm of a $60 oil price, they explore whether fossil fuels still move the world the way they once did. The conversation ranges from the collapse of climate multilateralism and Europe’s energy malaise to the unstoppable rise of electrification, batteries, and system-level clean energy solutions across China, India, Africa, and the “rest of the world.”Leadership Circle:Cleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Davidson Kempner, EcoPragma Capital, EDP, Eurelectric, the Gilardini Foundation, KKR, National Grid, Octopus Energy, Quadrature Climate Foundation, SDCL and Wärtsilä. For more information on the Leadership Circle, please visit https://www.cleaningup.live.Discover more:The Electrification Staircase: https://www.watts-next.eu/ Kingsmill Bond on Cleaning Up: https://www.youtube.com/watch?v=G2bsoCOznXkArunabha Ghosh on Cleaning Up: https://www.youtube.com/watch?v=qMrn-JewoCoRachel Kyte on Cleaning Up: https://www.youtube.com/watch?v=V1m2lm2n_EECatch up on Season 16 of Cleaning Up: https://www.youtube.com/playlist?list=PLe8ZTD7dMaaDWQkhmAsaQ28p0h3Lw5I6v
This episode was originally broadcast in June 2023, watch the episode on YouTube here. Cleaning Up will return with new episodes January 7th, 2026. Tzeporah Berman has been leading environmental campaigns in her native Canada and beyond for over thirty years. Today, she is Chair of the Fossil Fuel Non-Proliferation Treaty, and International Program Director at Stand.earth, the environmental organisation that she co-founded. Tzeporah was formerly co-director of Greenpeace’s Global Climate and Energy Program, and her success campaigning against fossil development has seen her dubbed “Canada’s Queen of Green”. Tzeporah and Michael take in everything from helping turn Meta and other tech giants off coal and onto renewables, fighting fossil and pipeline expansion in Alberta, and whether a non-proliferation treaty could be the solution for a managed decline of fossil fuel use.Read more:The fossil fuel non proliferation treaty website: https://fossilfueltreaty.org
This episode was originally broadcast in June 2024.As the world transitions away from fossil fuels, one of the biggest challenges is decarbonizing industrial processes that require consistent, reliable sources of energy to produce high-temperatures. Typically these processes run on fossil gas, but now thermal batteries offer a solution by using electricity to store renewable energy in the form of heat. Anand Gopal, Executive Director of Policy Research at Californian think tank Energy Innovation, joins Baroness Bryony Worthington to discuss his team's research on using thermal batteries to provide heat for manufacturing. Or as he calls them, hot rocks in a box. By storing intermittent solar or wind energy as the heat of molten salts or crushed rocks, thermal batteries can deliver reliable heat on-demand. While the tech is almost at commercial availability, there's still one big obstacle: cost. In many countries it is still much cheaper to use gas over electricity, and that makes powering up thermal batteries uneconomical. So what needs to be done to employ them at scale? And will they take the wind out of hydrogen's sails? Find out on this week's episode of Cleaning Up. Read more: Energy InnovationIndustrial Thermal Batteries: Decarbonizing U.S. Industry While Supporting a High-Renewables GridEnergy Innovation's report on electric vehicle leasingEnergy Innovation's report on electric vs gas carsEnergy Innovation's report on industrial heat in ChinaEnergy Innovation's report on electrification of industrial heat
What will be the long-term impact of the US’s great leap backward on clean energy? How will the emergency of China as an electrotech giant reshape geopolitics? And what will be the defining trends and technologies of 2026?In this end-of-year episode of Cleaning Up, Baroness Bryony Worthington is joined by Lord Adair Turner, Chair of the Energy Transitions Commission, for a wide-ranging, candid, and occasionally fiery conversation about where the energy transition truly stands.Looking back on a decade since the Paris Agreement and ahead to the road beyond 2025, Turner delivers a clear-eyed diagnosis: emissions and politics are heading in the wrong direction, but technologies — including solar PV, batteries, and the wider “electrotech stack” — are advancing faster than almost anyone expected.Together, Bryony and Adair unpack why electrification is emerging as the central lever for decarbonising transport, industry, and heat; how China’s clean-tech machine is reshaping global energy economics; and why abundant, ultra-cheap electricity could fundamentally change prosperity, geopolitics, and climate outcomes.They also grapple with the harder questions: affordability versus ambition, the limits of carbon pricing, the challenge of decarbonising steel, cement, aviation and shipping, and the disruptive impact of US politics on global climate cooperation. They debate whether COPs still matter, why “nearly clean” power may be smarter than chasing absolute purity, and what breakthroughs could surprise us next.Leadership Circle:Cleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Davidson Kempner, EcoPragma Capital, EDP, Eurelectric, the Gilardini Foundation, KKR, National Grid, Octopus Energy, Quadrature Climate Foundation, SDCL and Wärtsilä. For more information on the Leadership Circle, please visit https://www.cleaningup.live.Discover more:Energy Transitions Commission: https://www.energy-transitions.org/Power Up: How Clean Energy Is Putting Fossil Fuel Demand in Doubt: https://www.energy-transitions.org/publications/power-up-fossil-fuel-demand-in-doubt/Lord Turner’s previous appearance on Cleaning Up: https://youtu.be/xxTngGxpeW0 Why Is It So Hard to Clean Up Global Shipping? | Ep229: Tristan Smith: https://www.youtube.com/watch?v=HdUCidkeDto
What happens when clean energy starts to outgrow fossil fuels at scale? Is it right to call China an electrostate? And how long will we be reliant on hydrocarbons?This week on Cleaning Up, host Michael Liebreich sits down with Lord Browne of Madingley — former CEO of BP and one of the earliest voices inside Big Oil to publicly call for emissions reductions from fossil fuels. Recorded in front of a live audience in London, the discussion explores how geopolitics, energy security, AI, and rising global anxiety are reshaping the path to decarbonisation. Lord Browne reflects on launching BP’s original “Beyond Petroleum” strategy, his current work investing billions through BeyondNetZero, and why the future of climate action will be driven as much by adaptation, resilience, and people as by technology itself.From the rise of China as an electrification juggernaut and the US as an AI-powered energy giant, to the tipping point where clean energy demand could finally outpace fossil fuels, this episode offers rare insight from someone who has shaped — and challenged — the global energy system from the inside.Leadership Circle:Cleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Davidson Kempner, EcoPragma Capital, EDP, Eurelectric, the Gilardini Foundation, KKR, National Grid, Octopus Energy, Quadrature Climate Foundation, SDCL and Wärtsilä. For more information on the Leadership Circle, please visit https://www.cleaningup.live.Discover more:BeyondNetZero: https://www.generalatlantic.com/climate/Lord Browne’s previous appearance on Cleaning Up: https://youtu.be/8VXQ2EGAcGMThe Pragmatic Climate Reset, Part 1: https://youtu.be/OHKGor2_BzQ
What happens when a nation’s energy security rests on volatile global gas markets? Why does the UK pay market prices for some of the world’s cheapest-to-produce gas? And is now the moment to rethink decades of “leave it to the market” dogma?This week on Cleaning Up, Baroness Bryony Worthington sits down with Seb Kennedy, energy journalist and founder of Energy Flux, to unpack the turbulent geopolitics of natural gas, the coming LNG glut, and why the UK–Norway relationship sits at the heart of Britain’s energy affordability crisis.Drawing on their recent joint op-ed, Bryony and Seb explore the UK’s dependence on Norwegian gas, the vast windfalls that have flowed into Norway’s sovereign wealth fund since Russia’s invasion of Ukraine, and whether a new bilateral deal could shield consumers from future price shocks. They examine the structural forces reshaping global gas markets, the rise of speculative trading, and whether electrification will become harder when gas gets cheap.Leadership Circle:Cleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Davidson Kempner, EcoPragma Capital, EDP of Portugal, Eurelectric, the Gilardini Foundation, KKR, National Grid, Octopus Energy, Quadrature Climate Foundation, SDCL and Wärtsilä. For more information on the Leadership Circle, please visit https://www.cleaningup.live.Discover more:Read Seb & Bryony’s Op-Ed on Energy Flux: https://www.energyflux.news/uk-norway-gas-trade-time-for-a-new-deal/Seb’s Energy Flux Podcast: https://www.energyflux.news/tag/podcast/Michael’s conversation with Carine Ihenecho Smith, Chief Governance and Compliance Officer at Norges Bank Investment Group: https://www.youtube.com/watch?v=H028Vwf7pNMThe UK’s updated plan for the North Sea gas transition: https://www.gov.uk/government/news/north-sea-future-plan-for-fair-managed-and-prosperous-transitionBritain eases opposition to new oil, gas permits, holds firm on taxes | Reuters: https://www.reuters.com/business/energy/uk-government-allows-some-new-oil-gas-fields-holds-firm-taxes-2025-11-26/
What does it take to build Europe’s largest and most sustainable data-centre campus, from an empty plot of land to a 1.2-gigawatt giant of AI? How do you future-proof a facility when chip technology is evolving at breakneck speed? And what happens when the site of former coal-fired power plant becomes a global hub for AI?In this special, on-location episode of Cleaning Up, Michael Liebreich visits Sines, Portugal, where Start Campus is transforming the site of a decommissioned coal plant into a next-generation data-centre campus that once finished will be Europe’s largest data centre. CEO Robert Dunn takes us inside the first operational building, currently 29MW but just 2.5% of what’s to come, to explore the engineering, economics, and vision behind a €10 billion physical infrastructure build that will eventually house an additional €40 billion in incoming IT hardware.From earthquake-proof structures to seawater cooling and uninterruptible power supply systems, Rob breaks down what it means to design for 99.99999% uptime in an AI-driven world. Michael and Rob also dive into the reality and hype surrounding AI: the surge in GPU-hungry AI training, the race to build at gigawatt scale, the challenges of financing these mega-projects, and the balancing act between speed, cost, sustainability, and long-term viability.Set against the backdrop of Microsoft’s freshly announced $10 billion investment in the Sines campus, this episode illuminates how the data-centre industry is reshaping global energy systems, local communities, and the future of compute.Leadership Circle:Cleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Davidson Kempner, EcoPragma Capital, EDP of Portugal, Eurelectric, the Gilardini Foundation, KKR, National Grid, Octopus Energy, Quadrature Climate Foundation, SDCL and Wärtsilä. For more information on the Leadership Circle, please visit https://www.cleaningup.live. Discover more:Watch this episode on YouTube: https://youtu.be/juAyLAUmU3wThe Start Campus website: https://www.startcampus.pt/Microsoft makes one of its largest investments in Europe at Start Campus in Portugal: https://www.startcampus.pt/microsoft-makes-one-of-its-largest-investments-in-europe-at-start-campus-in-portugalMichael’s Green Giant’s Whitepaper: https://pioneerpoint.com/wp-content/uploads/2021/11/2021.11.17-Green-Giants-White-Paper-Final.pdfThe Year Energy Woke Up To AI | Audioblog 14: Generative AI, The Power and the Glory: https://www.youtube.com/watch?v=OwZ2iNh133A
What happens when the world’s most ambitious climate state runs head-on into a hostile federal government? Can California still lead the clean-energy transition while battling rising costs, wildfires and the Trump government’s sweeping tariffs? And what does a “pragmatic reset” on climate policy look like when the stakes have never been higher?This week on Cleaning Up Bryony Worthington sits down with Liane Randolph, former Chair of the California Air Resources Board (CARB) and longtime public servant, shaping California’s climate, energy, and air-quality strategy. Across roles spanning the Public Utilities Commission and state natural resources agencies, Randolph has been at the center of some of the most consequential policy decisions in the United States — from the rise of rooftop solar and utility-scale storage to the creation of zero-emission vehicle mandates and the state’s pioneering cap-and-invest system.Together, they unpack how California built the modern EV market, the origins of the famous “duck curve,” and why central planning turned out to be critical for keeping the lights on in a decarbonizing grid. Randolph also details the extraordinary federal pushback now facing the state: repealed Clean Air Act waivers, legal battles over truck and car standards, and tariff-driven supply-chain shocks that threaten progress.The episode explores:The past and future of California’s zero-emission vehicle strategy — from catalytic converters to the birth of TeslaWhy batteries exploded onto the grid, and how wildfire adaptation is reshaping costsThe mechanics and impacts of California’s whole-economy cap-and-invest programThe new affordability crisis — and whether a pragmatic climate “reset” is neededElectric aviation, high-speed rail, and the technologies California should bet on nextThe state’s 2045 net-zero planning — and which sectors will need breakthroughs like DAC and industrial CCSLeadership Circle:Cleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Davidson Kempner, EcoPragma Capital, EDP of Portugal, Eurelectric, the Gilardini Foundation, KKR, National Grid, Octopus Energy, Quadrature Climate Foundation, SDCL and Wärtsilä. For more information on the Leadership Circle, please visit https://www.cleaningup.live.Discover more:CARB: https://ww2.arb.ca.gov/First Cars, Now Planes: Is The Future of Flying Electric? Ep194: Anders Forslund: https://www.youtube.com/watch?v=hW3uTBbAGHAWhy Is It So Hard to Clean Up Global Shipping? https://www.youtube.com/watch?v=HdUCidkeDto
What does it take to future-proof Europe’s electricity grid? How do you finance €65 billion in infrastructure without driving up consumer electricity costs? And can the permitting process be sped up to become fast enough for the energy transition?This week on Cleaning Up, Michael Liebreich sits down with Tim Meyerjürgens, CEO of TenneT Germany, the country’s largest transmission system operator, to explore the physics and finance behind decarbonising Europe’s power networks.From billion-euro transmission lines to the domestic and international politics of connecting the North Sea’s vast offshore wind potential with Germany’s industrial heartland, Meyerjürgens offers a rare inside view of one of Europe’s most complex and capital-intensive transitions.The conversation dives into:• How TenneT split its Dutch and German operations to attract €9.5 billion in equity from investors like Norges Bank and GIC• The challenge of accelerating grid buildout from 20-year to 5-year timelines• The delicate balance between regulation, investment, and public acceptance• Why building our transmission across Europe is key to energy resilienceThis episode was supported by TenneT Germany.Leadership Circle:Cleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Davidson Kempner, EcoPragma Capital, EDP of Portugal, Eurelectric, the Gilardini Foundation, KKR, National Grid, Octopus Energy, Quadrature Climate Foundation, SDCL and Wärtsilä. For more information on the Leadership Circle, please visit https://www.cleaningup.live.Discover more:• TenneT Germany’s website: https://www.tennet.eu/de-en/home • TenneT Germany successfully concludes syndication of €12 billion revolving credit facility: https://www.tennet.eu/de-en/news/tennet-germany-successfully-concludes-syndication-eu12-billion-revolving-credit-facility• The £60 Billion Plan To Rewire Britain | Ep227: John Pettigrew: https://www.youtube.com/watch?v=S7Lg1A958aA• Can Europe Survive the Renewables Transition? Ep201: Nikos Tsafos: https://www.youtube.com/watch?v=dUvKzs82Mi0
Is green hydrogen a ‘miracle fuel’ or an expensive illusion? Can we decarbonize without it? And what happens when hydrogen hype meets hard economics?This week on Cleaning Up, Michael Liebreich debates Erik Rakhou, author of Touching Hydrogen Future, in a no-holds-barred discussion moderated by Andrew Critchlow of S&P Global Commodity Insights.Together, they contest one of the most contentious topics in energy today: hydrogen. Liebreich argues that hydrogen is plagued by physics-driven cost barriers and limited real-world applications, while Rakhou defends its potential as a critical tool for industrial decarbonization, energy resilience, and long-term security.From the potential of green vs. blue hydrogen, to global ammonia trade routes, Europe’s pipeline ambitions, and China’s hydrogen cost curve, this debate pulls no punches. Topics include:Whether there’ll ever be a hydrogen-based economyWhy hydrogen economics remain so challengingThe role of carbon pricing vs. subsidiese-Fuels and hydrogen’s place in transport, steel, and aviationWhy electrification trumps hydrogenThis episode was recorded at the S&P Global offices in London and originally broadcast as a S&P Global webinar on October 29, 2025. THanks to S&P Global and Andrew Critchlow for hosting the debate.Leadership Circle:Cleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Davidson Kempner, EcoPragma Capital, EDP of Portugal, Eurelectric, the Gilardini Foundation, KKR, National Grid, Octopus Energy, Quadrature Climate Foundation, SDCL and Wärtsilä. For more information on the Leadership Circle, please visit https://www.cleaningup.live. Read more:Erik's website: https://rakhou.comThe EU’s hydrogen strategy: https://energy.ec.europa.eu/topics/eus-energy-system/hydrogen_enData on EU natural gas prices 2010-2025: https://drive.google.com/file/d/1buQTdpQOMShue-zXyZUYVgZ9dPe5rZ5Y/view?usp=share_linkMichael Liebreich's Keynote Speech at World Hydrogen Congress 2022: https://www.youtube.com/watch?v=Xj900aBPkiYErik’s book ‘Touching Hydrogen Futures’: https://europeangasmarket.euEuropean Court of Auditors call for a hydrogen reality check: https://www.eca.europa.eu/en/news/NEWS-SR-2024-11Michael’s Pragmatic Climate Reset: https://about.bnef.com/insights/clean-energy/liebreich-the-pragmatic-climate-reset-part-i/
What if the energy transition isn’t about sacrifice and belt-tightening, but abundance? Are electrified technologies ready to replace the polluting fossil fuel system we’re so reliant on? And what will it mean for western nations if they can’t keep up with China? In this special bonus episode of Cleaning Up, recorded live in Berlin, Michael Liebreich sits down with Kingsmill Bond, strategist at Ember, to unpack The Electrotech Revolution, a powerful new framing of the global shift from a fossil-fuel economy to an electrified, efficient, and inevitable clean energy system.Together, Kingsmill and Michael explore why the growth of solar and wind is now outpacing fossil fuels worldwide, how China’s leadership is reshaping the global landscape, and what Europe and the US must do to compete. Leadership Circle:Cleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Davidson Kempner, EcoPragma Capital, EDP of Portugal, Eurelectric, the Gilardini Foundation, KKR, National Grid, Octopus Energy, Quadrature Climate Foundation, SDCL and Wärtsilä. For more information on the Leadership Circle, please visit https://www.cleaningup.live. Links and more:Ember’s Electrotech Revolution Report: https://ember-energy.org/latest-insights/the-electrotech-revolution/Ember’s Funders: https://ember-energy.org/about/Lauri Myllyvirta on Cleaning Up: https://youtu.be/FqjvCeR9VLgMichael’s Pragmatic Reset Part 1: https://www.youtube.com/watch?v=OHKGor2_BzQMichael’s Pragmatic Reset Part 1: https://www.youtube.com/watch?v=OFF1imh1U2c
This week on Cleaning Up, we welcome back Rachel Kyte, the UK’s Special Representative for Climate Change, for a deep dive into the shifting landscape of global climate diplomacy ahead of COP30 in Belém, Brazil.Rachel brings decades of experience — from leading Sustainable Energy for All under Ban Ki-Moon to senior roles at the World Bank and IFC — to unpack how countries, investors, and institutions are navigating the new era of implementation.Together, Michael and Rachel explore:How the UK is re-engaging globally on climate and energy policy.The evolution of climate finance and why capital still struggles to flow into emerging markets.Which path the world will follow, the US petrostate model, or China’s electrostate model.Why investing in grids, governance, and infrastructure is still missing from the energy transition.What to expect at COP30 — from forest finance to a possible rethink of the annual COP model.And how countries from Africa to Asia are shaping their own pathways to clean growth and energy security.Rachel also reflects on public attitudes, the politicization of climate action, and the need for pragmatic cooperation over rhetoric.Leadership Circle:Cleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Davidson Kempner, EcoPragma Capital, EDP of Portugal, Eurelectric, the Gilardini Foundation, KKR, National Grid, Octopus Energy, Quadrature Climate Foundation, SDCL and Wärtsilä. For more information on the Leadership Circle, please visit https://www.cleaningup.live. Links and more:Rachel’s first appearance on Cleaning Up: https://youtu.be/Umq5pICThDMInside the World's Biggest Investor - Ep138: Carine Smith IhenachoThe Planet's Leading Diplomat - Ep70: Ban Ki-moonSustainable Energy for All - Ep16: Dr Kandeh K. Yumkella
Global shipping contributes about 3% of global greenhouse gas emissions, equivalent to the total emissions of Japan or Germany. The sector, including its contribution to climate change, is governed by the International Maritime Organisation or the IMO, which is a UN agency based in London in the United Kingdom.Last week, the International Maritime Organisation gathered to vote on a proposal to reduce emissions from ships that had been agreed to in principle earlier this year. And ahead of the gathering, most people intimately involved in the process thought the proposal would pass. But that wasn’t the case. The US stepped in at the last minute and pressured all those gathered to delay the vote on the proposal for another 12 months.This week on Cleaning Up, host Bryony Worthington sits down with Professor Tristan Smith, a leading expert on shipping decarbonisation from UCL Energy Institute, to unpack the dramatic events at the latest International Maritime Organization meeting — where the United States’ last-minute intervention derailed a landmark vote on cutting emissions from ships.Together, they explore:How global shipping, responsible for around 3% of greenhouse gas emissions, became a critical test case for international climate policyWhy the IMO’s proposed carbon intensity regulation could have marked the beginning of the end for oil and LNG as marine fuelsThe “Tariff diplomacy” and other threats that reshaped global negotiationsWhat this means for COP30 and other multilateral agreements.Bryony and Tristan also dive deep into possible solutions: from e-fuels, ammonia, and battery electrification to nuclear propulsion — weighing what’s practical, what’s political, and what’s merely wishful thinking.Leadership Circle:Cleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Davidson Kempner, EcoPragma Capital, EDP of Portugal, Eurelectric, the Gilardini Foundation, KKR, National Grid, Octopus Energy, Quadrature Climate Foundation, SDCL and Wärtsilä. For more information on the Leadership Circle, please visit https://www.cleaningup.live.Links and more:Is Shipping the Easiest "Hard-to-Abate" Sector? - Ep143: Johannah Christensen: https://www.youtube.com/watch?v=umPAonV20cMThe IMO website: https://www.imo.org/Michael’s Substack on the IMO decision: https://mliebreich.substack.com/p/imo-members-choose-between-the-us
This summer, Michael Liebreich wrote two essays under the title of the Pragmatic Climate Reset. The first challenged the idea that the clean energy transition has failed. And the second challenged the clean energy and climate community to a reset, exploring eight areas which he thinks the transition has gone astray.In this special episode, Bryony Worthington sits down with Michael Liebreich, to unpack Part 2 of “The Pragmatic Climate Reset.”Michael lays out a bold vision for cutting through the noise — replacing ideology with realism, and paralysis with progress. From net zero targets and critical minerals to global politics, energy security, and the economics of clean tech, this is a conversation about what it takes to deliver a just and workable climate transition.Bryony asks Michael,Why criticise Greta Thunberg rather than call out anti-climate commentators like Joe Rogan or President Trump?Did he go too easy on the fossil fuel industry?What does he think he got wrong?How has the essay been received, and did he get any good feedback, either positive or negative.Michael puts forward the idea that if the transition is to succeed in the long run and keep the public on board, we must proceed as a tortoise, not a hare, building on the considerable momentum of renewables to phase fossil fuels out of our energy mix while also keeping energy affordable, and everyone’s lights on.Listen now, or watch the full episode on YouTube.Leadership Circle:Cleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Davidson Kempner, EcoPragma Capital, EDP of Portugal, Eurelectric, the Gilardini Foundation, KKR, National Grid, Octopus Energy, Quadrature Climate Foundation, SDCL and Wärtsilä. For more information on the Leadership Circle, please visit https://www.cleaningup.live.Links and more:Read Part I here: https://about.bnef.com/insights/clean-energy/liebreich-the-pragmatic-climate-reset-part-i/Read Part 2, here: https://about.bnef.com/insights/clean-energy/liebreich-the-pragmatic-climate-reset-part-ii-a-provocation/Watch the first part of the pragmatic climate reset: https://www.youtube.com/watch?v=OHKGor2\_BzQExplore all of Michael's audioblogs and essays: https://www.youtube.com/playlist?list=PLe8ZTD7dMaaAGobfBqd5eRQfeb5l9vPLG






















chaotic discussions with endless interruptions. terrible.
fantastic episode. so good to hear two articulate people sharing their expertise.
Cleaning Up podcast: Engaging conversations on clean energy, climate finance, and sustainability leadership. Insightful and inspiring!
I am very disappointed that despite saying it would not be good to suggest we may not achieve the 1.5 target you concluded by doing exactly that. The environmental groups will say, and with some justification, that you haven't understood the absolute urgency of the fact we are already suffering the affects of serious climate change and must act now. I think you are better than that.
Thank you - awesome podcast with some of the best forward looking insight mixed with a great understanding of history.