Climate Reflections: The SRM360 Podcast

Climate Reflections dives into the world of sunlight reflection methods, also known as solar geoengineering: a set of ideas to reflect a small amount of sunlight back to space to help counteract global warming. This may sound like science fiction, but it’s an idea that scientists really are studying. Join podcast host Peter Irvine, a sunlight reflection scientist, to explore what different ideas are being studied to reflect sunlight, what impact they might have, and what is going on in the world today related to sunlight reflection research.

Climate Reflections: The SRM360 Podcast is a science podcast hosted by SRM360, with 16 episodes on record and a Required Pod Score of 80.

SRM360 hosts Climate Reflections: The SRM360 Podcast, a science show with 16 episodes published.

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  Episode #15

  Making sense of calls for bans and moratoria for solar geoengineering

  Jul 14, 20251h 1mS1

  <p>On 9 April 2025, SRM360 hosted a live discussion on the growing debate surrounding moratoria and bans on solar geoengineering. Listen to the episode to explore the differences between bans and moratoria, the pros and cons of each, and policy discussions on the horizon with expert panelists Josh Horton, Julie Vinders, Joe Sonka, and Craig Segall. </p><p>Note, since this recording the U.S. EPA published a new resource on geoenineering.</p><p><b>Why is this relevant now?</b></p>European Commission Review: The Commission is considering proposals for moratoria on certain SRM activities that were recommended by scientific a...

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  Episode #14

  Field Experiments in SRM

  Jun 2, 202523 minS1

  <p>In May 2025, the UK's Advanced Research and Invention Agency (ARIA) announced its initial round of awards for their "Exploring Climate Cooling" programme. The programme will ultimately dedicate £56.8 million to fund sunlight reflection methods research. Some of that funding will go towards field experiments. </p><p>There have been only a few SRM field experiments to date, and some have been cancelled due to public pressure. In this episode, we explore what SRM field experiments have taken place, how they've informed scientific knowledge of SRM, talk with some of the scientists leading those experiments, and explore how outdoor field experiments of...

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  Episode #13

  Live Podcast: SRM and Africa - perspectives from the continent

  May 14, 202549 minS1

  <p>Africa is home to many of the world’s least developed nations and its population is rapidly growing, making it one of the most climate vulnerable regions in the world. As such, Africa has much to gain, or lose, from the potential deployment of SRM. SRM360 hosts a live panel discussion at the Degrees 2025 Global Forum in South Africa with leading African experts about the future of Africa, the climate outlook, and the potential and risks of SRM for the continent.</p><p>Moderator: Pete Irvine (SRM360.org & University of Chicago)</p><p>Panelists:</p>Babatunde Abiodun, University of Ca...

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  Episode #12

  What is Marine Cloud Brightening (MCB)?

  May 5, 202529 minS1

  <p>In this episode of Climate Reflections: The SRM360 Podcast, host Dr. Pete Irvine discusses the sunlight reflection method (SRM) known as Marine Cloud Brightening (MCB), which involves spraying sea salt particles below the cloud base to brighten clouds and reflect sunlight. The episode explores two different MCB field experiments by scientists, and discusses the technical, scientific, and ethical challenges of MCB. </p><p>Joining us to explain Marine Cloud Brightening are experts Dr. Isabelle Steinke, Assistant Professor for Climate Engineering at TU Delft, Dr. Michael Diamond, Assistant Professor in Earth, Ocean, and Atmospheric Science at Florida State University, and D...

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  Episode #11

  News Roundup: major reports on SRM from Germany and the US, how to assess risk, and how emotions impact SRM opinions

  Apr 14, 202534 minS1

  <p>To discuss SRM news over the past month, we're joined by Chad Baum, behavioral scientist and Assistant Professor at Aarhus University in Denmark, and Julie Vinders, Lawyer and Senior Research Analyst at Trilateral Research in the UK. We'll talk through the German Environmental Agency's recent policy report on SRM, as well as the Council on Foreign Relations' Climate Realism Initiative, that considers SRM as one of many interventions to "avert catastrophic global climate change". We'll also discuss Julie's article on how the precautionary principle as understood under EU law applies to SRM, and Chad's recent international study of over 30,000...

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