Challenging Climate

Challenging Climate

Asking tough questions about the science, technology, and politics of climate change, two climate researchers challenge leading experts on one of the defining issues of our age. Every two weeks, they explore how we can fight global warming by cutting greenhouse gas emissions, carbon removal, adaptation and solar geoengineering. Dr. Jesse Reynolds and Dr. Pete Irvine consider the roles of computer models and persuasive narratives, economics and public policy, and renewable energy and national security in the climate debate, and look beyond to issues such as biotechnology and international development. Support us at Patreon. Questions or comments? Email info@challengingclimate.org or tweet @ChalClimate See more information on Jesse Reynolds and Pete Irvine. Subscribe for email updates. music by Peter Danilchuk @clambgramb (IG/Twitter).

Episodes

November 24, 2024 8 mins

Pete and Jesse must bring Challenging Climate to a close. Since starting the podcast almost three years ago, we have each taken on more professional responsibilities and no longer have the time for this volunteer effort. In this short recording, we describe what we are now up to:

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Our guest is Maarten Albers, a journalist who reports on agriculture and food for the Volkskrant, one of the Netherlands’ leading newspapers. In today's episode, we draw our attention to the 'nitrogen crisis' in the Netherlands - a major environmental story that has reshaped politics in the Netherlands and societal views on environmental regulation, science and technology, and even international relations.

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Our guest is Gwynne Dyer, an author, columnist, broadcaster and lecturer on international affairs. In this episode, we discuss the key messages from his new book Intervention Earth: Life-Saving Ideas from the World’s Climate Engineers, based on extensive interviews with the world’s top climate scientists. We discuss his insights from these interviews on the state of our climate, and address controversies and concerns over carbon di...

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Jonathan Blake is Associate Director at the Berggruen Institute, where he leads the Planetary Program. Nils Gilman is Senior Vice President at the Berggruen Institute and Deputy Editor of Noema magazine. In this episode, we discuss the ideas in their recently published book, Children of a Modest Star: Planetary Thinking for an Age of Crises. We grapple with ideas of sovereignty, planetary governance and subsidiarity.

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Today’s guest is Dr. Shuchi Talati, a climate technology and governance expert and the founder of The Alliance for Just Deliberation on Solar Geoengineering. In this episode, we discuss ethics and governance of solar geoengineering, the formal cancellation of Harvard’s SCoPEx experiment, and the UN Environment Assembly deliberations on Solar Radiation Modification.

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Today’s guest is Ulrike Lohmann, Professor of Experimental Atmospheric Physics in the Institute for Atmospheric and Climate Science at ETH Zurich. Lohmann is also the Principal Investigator of the CLOUDLAB project, a multi-year project to investigate aerosol-cloud interactions in wintertime stratus clouds over the Alps. 

In this episode, we discuss the role of clouds and aerosols in our climate. We dive deep into aerosol-c...

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In this episode, we speak with Dr. Benjamin Sovacool and Dr. Chad Baum, about their newly published, high-impact paper, “Public Perceptions and Support of Climate Intervention Technologies across the Global North and Global South”. Join us as we discuss the key findings of their work, and how these findings can and should influence policy and governance methods.

Dr. Benjamin Sovacool is a professor with affiliations at Aar...

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George Monbiot is a renowned British author, The Guardian Columnist and environmental activist. George is the author of more than a dozen books, the most recent of which is Regenesis: Feeding the World without Devouring the Planet, and he was awarded the Orwell Prize for Journalism in 2022. 

In this episode, we discuss topics of his insightful and provocative articles such as de-throning GDP, radical climate activism, the ‘wealth cu...

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This episode’s guest is Janos Pasztor. He has four decades of work experience in the areas of energy, environment, climate change, and sustainable development, including roles as Executive Director of the Carnegie Climate Governance Initiative (C2G) and UN Assistant Secretary-General for Climate Change. 

In this episode, we explore the political lens of carbon dioxide removal (CDR) and solar radiation management (SRM), dis...

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David Stainforth is a Professorial Research Fellow at the London School of Economics. David has had a long career studying the climate problem and the challenges of making predictions of future climate change. His research spans the philosophy of climate science, climate economics, climate modelling, and decision-making under deep uncertainty.

In this episode, we discuss David’s new book ‘Predicting our climate future’, exploring th...

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David Keith is a Professor in the Department of Geophysical Sciences at the University of Chicago and the Founding Faculty Director of the Climate Systems Engineering initiative. Keith previously led the development of Harvard’s Solar Geoengineering Research Program.

In this episode, we discuss Keith’s Climate Systems Engineering initiatives, carbon dioxide removal (CDR) and geoengineering techniques. Drawing on David’s de...

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Jennifer Allan is a Strategic Adviser and Team Leader with Earth Negotiations Bulletin, and Lecturer at Cardiff University. Jen has attended roughly 40 UN conferences where states negotiate the rules of global climate governance. Her work explores how global rules are made and remade, and currently focuses on the politics of ecosystem services and green recovery. In this episode, we discuss with Jen key agenda themes in the forthco...

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Today’s episode is brought to you in collaboration with our friends at the Energy vs Climate podcast. Energy vs Climate breaks down the trade-offs and hard truths of the energy transition in Alberta, Canada, and beyond with energy experts David Keith, Sara Hastings-Simon and Ed Whittingham.  

In this episode, they speak with Greg Nemet, a Professor at the University of Wisconsin–Madison’s La Follette School of Public Affai...

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June 27, 2023 8 mins

As we break for the summer, listen here for some highlights of our previous episodes and catch up on the ones you've missed. See you in October!

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Richard S.J. Tol is a Professor at the Department of Economics, University of Sussex and the Professor of the Economics of Climate Change, Institute for Environmental Studies and Department of Spatial Economics, Vrije Universiteit, Amsterdam, the Netherlands. He is also the author of Climate Economics: Economic Analysis of Climate, Climate Change and Climate Policy. In this episode, Tol breaks down climate economics – the economic ...

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Emma Marris is an environmental writer and Institute Fellow at the UCLA Institute of the Environment and Sustainability. She has also written for National Geographic, the Atlantic, the New York Times, Wired, and other publications. In this episode, we dive into the concepts introduced in her book Rambunctious Garden: Saving Nature in a Post-Wild World, such as wilderness and nature purity. We discuss the relationship between nature...

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Dr John Moore is a Research Professor at University of Lapland, Finland and Chief Scientist of GCESS at Beijing Normal University. His research focuses on geoengineering, sea level change, and ice sheet dynamics. In this episode, we take a deep dive into the cryosphere – the state and future of glaciers, sea ice and permafrost, as well as consider marine glacier geoengineering. John also shares his unique experience as a leader of ...

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Dr Steve Smith is the Executive Director of CO2RE, as well as Executive Director of the Oxford Net Zero initiative, based at the University of Oxford’s Smith School of Enterprise and the Environment. He also previously co-led the Climate Science Team at the UK Department for Business, Energy and Industrial Strategy. In this episode, we take a holistic deep dive into Carbon Dioxide Removal (CDR) and discuss his expertise on net zero...

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Dr Heleen de Coninck is a Professor of Socio-Technical Innovation and Climate Change at Eindhoven University of Technology, and Associate Professor in Innovation Studies and Sustainability at Radboud University. She is also the newly appointed deputy chair of the Dutch Scientific Climate Council. 

In this episode, we discuss the four Net Zero transitions set out in the 2018 IPCC 1.5ºC report, and specifically how to facili...

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Dr David Fahey is the Director of the Chemical Sciences Laboratory in the National Oceanic and Atmospheric Administration (NOAA), and he also serves as a Co-Chair of its the Montreal Protocol’s Scientific Assessment Panel, which produces the quadrennial assessments of stratospheric ozone depletion. In this episode, we discuss flying planes into the stratosphere to conduct experiments on ozone depletion, the success of the Montreal ...

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