Cleaning Up: Leadership in an Age of Climate Change

• Making America Dumb Again: The Stakes of Slashing Climate Science — Ep200: Ralph Keeling & Ray Weiss

  As the U.S. swings a budgetary axe at the federal government, one of the biggest casualties is climate science. The National Oceanic and Atmospheric Administration (NOAA) faces a brutal 20% workforce reduction—jeopardizing critical research just when we need it most. So, what’s really at stake? And is Donald Trump Making America Dumb Again?This week on Cleaning Up, host Bryony Worthington takes us deep inside the Scripps Institution of Oceanography, where scientists are on the front lines of tracking our planet’s most urgent environmental challenges.Meet Ralph Keeling, the scientist carrying forward his father’s legendary legacy—the Keeling Curve, the definitive record of our atmosphere’s rising carbon dioxide levels. His decades of meticulous measurements lay bare the stark truth about climate change and why these long-term observations are more vital now than ever.And that’s not all. We also sit down with Professor Ray Weiss, the atmospheric detective who played a key role in saving the ozone layer. His work helped drive the Montreal Protocol—one of humanity’s greatest environmental victories.With climate science under attack, what lessons can we learn from past successes? And what happens if we stop listening to the data?Leadership Circle:Cleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Division 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:Scripps Institution of Oceanography: https://scripps.ucsd.edu/The Keeling Curve: https://keelingcurve.ucsd.edu/The Keeling Curve Foundation: https://www.keelingcurve.org/AGAGE (The Advanced Global Atmospheric Gases Experiment): https://www-air.larc.nasa.gov/missions/agage/History of the Montreal Protocal: https://www.unep.org/ozonaction/who-we-are/about-montreal-protocol 

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• EVs & Heat Pumps: The Real Alternatives for Germany — Ep199: Patrick Graichen

  In February, Germany elected a new government. Friedrich Merz emerged as the new leader, but what are his energy and climate policies, and will Germany remain a climate leader in Europe and beyond?Joining Cleaning Up this week is Patrick Graichen, a former Energy and Climate minister in the last government, representing the Green Party. Prior to entering government, Patrick ran the think tank Agora Energiewende, working on energy from 2001 to 2012. With his deep expertise Patrick offers unique insights into the evolving political landscape and its potential impact on Germany, Europe, and beyond. Patrick has witnessed how shifting public opinion can stall progress, and was responsible for a highly contested policy to phase out gas boilers and phase in heat pumps, which ultimately caused him to quit government. Bryony Worthington asks Patrick what he learned from that phase, and digs into the big questions surrounding the German car industry, nuclear power and the future of gas. Leadership CircleCleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Division 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. LinksAgora Energiewende:  https://www.agora-energiewende.orgPatrick's Previous Appearance on Cleaning Up: https://youtu.be/MBCX7aZcRWI Episode 154 with Kensa CEO, Tamsin Lishman: https://www.youtube.com/watch?v=-TpHa-uU6lc  

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• ⁠The Future of Clean Tech Under Trump — Ep198: Jigar Shah

  How can the U.S. government bridge the gap between clean energy innovation and large-scale deployment? Will the Trump administration accelerate progress or put up roadblocks for clean tech? And how can the U.S. stay competitive with China, which already holds a commanding lead in the sector? Jigar Shah joins Cleaning Up fresh from his four-year tenure as Director of the U.S. Department of Energy's Loan Programs Office (LPO). Appointed in 2021, Shah transformed the once-obscure office into a clean-tech commercialization powerhouse, committing more than $100 billion in loans to U.S.-based companies. But with a new administration implementing sweeping cuts to the federal workforce, is all his work at risk? Or will market forces and the very real risk of blackouts keep clean energy innovation moving forward?In this conversation with Michael Liebreich, Shah shares how he turned the LPO into a driving force for clean technology deployment, and what lessons can be learned by policymakers, investors and entrepreneurs. He also offers a candid assessment of the opportunities and challenges across key sectors—from advanced nuclear to sustainable aviation fuels. Leadership Circle Cleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Division 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 DoE Liftoff Reports: https://liftoff.energy.gov Episode 9 with Jigar Shah: https://www.youtube.com/watch?v=QJhhinSeh9IEpisode 193, Mike Headroom's AI Audioblog: https://www.youtube.com/watch?v=OwZ2iNh133A

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• The Fossil Fuel Endgame: Inside The Non-Proliferation Treaty — Ep197: Kumi Naidoo

  How can climate activists be more successful in 2025? And where have they gone wrong? Kumi Naidoo has a storied career as an activist. At just 15 years old, he started out as an anti-apartheid campaigner and organiser in South Africa, before fleeing the country and attending Oxford University as a Rhodes Scholar, where he received a PhD for his research into the resistance movement in South Africa. After Nelson Mandela was freed, he returned home to help organise Mandela’s campaign to become President, and later became the head of both Greenpeace and Amnesty International. Naidoo has turned his energy to a new campaign, one that focuses specifically on the phase out of fossil fuels: the Fossil Fuel Non-Proliferation Treaty Initiative. The Initiative, founded by former Cleaning Up guest Tzeporah Berman, seeks to establish a binding agreement amongst the most ambitious nations to phase out fossil fuels. So far, it has been endorsed by 16 nation states and 131 subnational governments and cities. Naidoo joins Bryony Worthington to talk about what he's learned from 45 years of campaigning, from hunger strikes to occupying oil rigs in the Arctic, where he thinks activism needs to go from here, and why he believes the Fossil Fuel Fuel Non-Proliferation Treaty Initiative is the path forward. Leadership CircleCleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Division 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:Canada's Controversial Queen of GreenThe Fossil Fuel Non-Proliferation Treaty  

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• A Clean Energy Playbook For The Global South — Ep196: Lucy Heintz

  The global south needs to build out vast amounts of clean energy, and requires hundreds of billions of dollars annually to do. And yet, only a fraction of the investment going into clean energy and the net-zero transition is flowing into those growth markets. So why are so few investing?Lucy Heintz is partner and head of energy infrastructure at Actis, whose most recent Energy Fund represents over $6 billion of investable capital. She is a driving force behind the small slice of investment which does address clean energy in growth markets. Lucy joins Cleaning Up to unpack Actis' approach to investing in critical clean energy infrastructure projects across the Global South. From assembling renewable energy platforms to managing foreign exchange risks, Lucy shares the strategies that have historically allowed Actis to succeed in markets that many consider to be too risky. The Acronym Corner: BII - British International Investment; the UK's development finance institution. https://www.bii.co.uk/en/ LP - Limited Partner, the capital provider for fund DFI - Development Finance Institution, e.g. BII DISCO - A distribution company, in places like India and Pakistan. Responsible for distributing energy from producers to consumers. DNO - Similar to a DISCO but UK focused, a company licensed to distribute electricity. PPA - Power Purchase Agreement — A long term contract between an electricity producer and a customer, that guarantees electricity be bought and sold at a pre-negotiated price for the period of the agreement. MIGA - The World Bank's Multilateral Investment Guarantee Agency. Its mandate is to promote cross-border investment in developing countries by providing guarantees (political risk insurance and credit enhancement) to investors and lenders. See: https://www.miga.org/about-usLeadership Circle: Cleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Division 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: Actis Energy Infrastructure Fund: https://www.act.is/about-us/sectors/energy/Inside the World's Biggest Investor - Ep138: Carine Smith IhenachoThe Bridgetown Initiator - Ep145: Prof Avinash PersaudEnabling Africa's Green Energy Revolution - Ep120: Ana HajdukaActis 2024 highlights film:Intro to Actis film:IPE: Generating alpha returns in energy infrastructureInfrastructure Investor: Shining a spotlight on emerging marketsNew Private Markets, De-risking transition investments in emerging markets Disclaimer:The statements made by Actis executives are as at February 2025 and are not necessarily representative of the views of executives of portfolio companies in which Actis has invested, and Actis assumes no obligation to update the information herein. Please refer to the following link for further important information in relation to this podcast: https://www.cleaningup.live/a-clean-energy-playbook-for-the-global-south-ep196-lucy-heintz/

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