Climate Chat

Dan Miller and Leon Simons, hosts
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Climate Chat is a channel where we discuss all things climate with scientists, technologists, authors, advocates, communicators and others helping us understand and fight climate change.

  1. APR 6

    The Iran War Climate Paradox Explained

    In this Climate Chat episode, Host Dan Miller discusses the Iran war's positive and negative climate impacts, and explains why lower fossil fuel emissions caused by high oil prices due to the Iran war will not lower atmospheric CO2 levels nor reduce global warming. Please Like and Subscribe! Dan Miller has been giving talks around the world on the need for urgent climate action for over 20 years. He is co-founder of The Roda Group, a climate-tech venture capital group, and he serves as an advisor for other climate funds and climate-focused non-profit groups. He started Climate Chat in 2021 on Clubhouse and added YouTube in 2023. Follow Dan Miller on X/Twitter: @danmiller999 Follow Dan Miller on Bluesky: @danmiller999.bsky.social and @climatechat.bsky.social Leon Simons is a climate scientist based in the Netherlands. He was a co-author with James Hansen on the 2023 "Global Warming in the Pipeline" paper that discussed the recent acceleration in global warming. Leon's work has focused recently on changes in aerosol emissions from ships and the impact of those changes on climate change. You can access Leon's research writings here: https://www.researchgate.net/profile/Leon-Simons Follow Leon on X/Twitter: @LeonSimons8 and Bluesky: ‪@leonsimons.bsky.social‬ Follow Leon on Patreon: https://www.patreon.com/c/LeonSimons/home Follow Stacey Randecker on X/Twitter: @DrivingMzStacey and Bluesky: @bikingmzstacey.bsky.social Follow Eli Rabani on X/Twitter: @radsci and Bluesky: @radsci.bsky.social You can leave a question in the YouTube Live chat. Please begin your question with "Question:" to make it easy for our mods to spot it. For more Climate Chat episodes, see our YouTube home page: https://www.youtube.com/@climatechat For recent YouTube Live Climate Chat programs: https://www.youtube.com/@climatechat/streams

    57 min

  2. MAR 30

    3 Million Year Climate Secrets: What the Past Teaches Us

    In this Climate Chat episode, Hosts Dan Miller and Leon Simons discuss recent research that measured the past 3 million years of greenhouse gases, and ocean heat content, and discuss what it means to our climate future. Link to research papers: "Broadly stable atmospheric CO2 and CH4 levels over the past 3 million years": https://www.nature.com/articles/s41586-025-10032-y "Global ocean heat content over the past 3 million years": https://www.nature.com/articles/s41586-026-10116-3 Please Like and Subscribe! Dan Miller has been giving talks around the world on the need for urgent climate action for over 20 years. He is co-founder of The Roda Group, a climate-tech venture capital group, and he serves as an advisor for other climate funds and climate-focused non-profit groups. He started Climate Chat in 2021 on Clubhouse and added YouTube in 2023. Follow Dan Miller on X/Twitter: @danmiller999 Follow Dan Miller on Bluesky: @danmiller999.bsky.social and @climatechat.bsky.social Leon Simons is a climate scientist based in the Netherlands. He was a co-author with James Hansen on the 2023 "Global Warming in the Pipeline" paper that discussed the recent acceleration in global warming. Leon's work has focused recently on changes in aerosol emissions from ships and the impact of those changes on climate change. You can access Leon's research writings here: https://www.researchgate.net/profile/Leon-Simons Follow Leon on X/Twitter: @LeonSimons8 and Bluesky: ‪@leonsimons.bsky.social‬ Follow Leon on Patreon: https://www.patreon.com/c/LeonSimons/home Follow Stacey Randecker on X/Twitter: @DrivingMzStacey and Bluesky: @bikingmzstacey.bsky.social Follow Eli Rabani on X/Twitter: @radsci and Bluesky: @radsci.bsky.social You can leave a question in the YouTube Live chat. Please begin your question with "Question:" to make it easy for our mods to spot it. For more Climate Chat episodes, see our YouTube home page: https://www.youtube.com/@climatechat For recent YouTube Live Climate Chat programs: https://www.youtube.com/@climatechat/streams

    1h 13m

  3. MAR 16

    Business Ethics & Climate Change with Alison Taylor

    In this Climate Chat episode, we interview the NYU professor and author Alison Taylor on business ethics and its impact on climate change (and vice versa). Alison Taylor joined New York University Stern School of business as a clinical associate professor in January 2023. Her research focuses on the organizational dimension of corporate responsibility and business ethics. She has expertise in strategy, sustainability, political and social risk, culture and behavior, human rights, ethics and compliance, stakeholder engagement, anti corruption and professional responsibility. Alison's first book, Higher Ground, was published by Harvard Business Review Press in February 2024. Her previous work experience includes being a Managing Director at non-profit business network Business for Social Responsibility and a Senior Managing Director at Control Risks. She holds several advisory roles, including with sustainability non-profit Business for Social Responsibility, VentureESG, Pictet Group and KKR. Alison is also a member of the World Economic Forum Global Future Council on Good Governance. Alison received her Bachelor of Arts in Modern History from Balliol College, Oxford University, her MA in International Relations from the University of Chicago, and MA in Organizational Psychology from Columbia University. Alison's NYU webpage: https://www.stern.nyu.edu/faculty/bio/alison-taylor Alison's personal website: https://www.alisontaylor.co Follow Alison on LinkedIn: https://www.linkedin.com/in/followalisont/ Please Like and Subscribe! Dan Miller has been giving talks around the world on the need for urgent climate action for over 20 years. He is co-founder of The Roda Group, a climate-tech venture capital group, and he serves as an advisor for other climate funds and climate-focused non-profit groups. He started Climate Chat in 2021 on Clubhouse and added YouTube in 2023. Follow Dan Miller on X/Twitter: @danmiller999 Follow Dan Miller on Bluesky: @danmiller999.bsky.social and @climatechat.bsky.social Leon Simons is a climate scientist based in the Netherlands. He was a co-author with James Hansen on the 2023 "Global Warming in the Pipeline" paper that discussed the recent acceleration in global warming. Leon's work has focused recently on changes in aerosol emissions from ships and the impact of those changes on climate change. You can access Leon's research writings here: https://www.researchgate.net/profile/Leon-Simons Follow Leon on X/Twitter: @LeonSimons8 and Bluesky: ‪@leonsimons.bsky.social‬ Follow Leon on Patreon: https://www.patreon.com/c/LeonSimons/home Follow Stacey Randecker on X/Twitter: @DrivingMzStacey and Bluesky: @bikingmzstacey.bsky.social Follow Eli Rabani on X/Twitter: @radsci and Bluesky: @radsci.bsky.social You can leave a question in the YouTube Live chat. Please begin your question with "Question:" to make it easy for our mods to spot it. For more Climate Chat episodes, see our YouTube home page: https://www.youtube.com/@climatechat For recent YouTube Live Climate Chat programs: https://www.youtube.com/@climatechat/streams

    1h 3m

  4. MAR 9

    "Work on Climate" & Regenerative Economics with Eugene Kirpichov

    In this Climate Chat episode, we interview the CEO of Work on Climate, Eugene Kirpichov, about the Work on Climate resource and its new focus on regenerative economics. Eugene Kirpichov is Co-founder and Executive Director of Work on Climate, a global community helping professionals take action on climate across industries and disciplines. Created to help people transition into climate-related careers, the organization is now evolving toward a deeper goal: empowering individuals to become climate leaders—people who transform their companies, sectors, and communities from within—guided by the vision of a regenerative economic system. Work on Climate homepage: https://workonclimate.org/ New focus on Regenerative Economics: https://workonclimate.org/2025/12/17/where-work-on-climate-is-headed/ Follow Eugene on LinkedIn: https://www.linkedin.com/in/eugenekirpichov/ Please Like and Subscribe! Dan Miller has been giving talks around the world on the need for urgent climate action for over 20 years. He is co-founder of The Roda Group, a climate-tech venture capital group, and he serves as an advisor for other climate funds and climate-focused non-profit groups. He started Climate Chat in 2021 on Clubhouse and added YouTube in 2023. Follow Dan Miller on X/Twitter: @danmiller999 Follow Dan Miller on Bluesky: @danmiller999.bsky.social and @climatechat.bsky.social Leon Simons is a climate scientist based in the Netherlands. He was a co-author with James Hansen on the 2023 "Global Warming in the Pipeline" paper that discussed the recent acceleration in global warming. Leon's work has focused recently on changes in aerosol emissions from ships and the impact of those changes on climate change. You can access Leon's research writings here: https://www.researchgate.net/profile/Leon-Simons Follow Leon on X/Twitter: @LeonSimons8 and Bluesky: ‪@leonsimons.bsky.social‬ Follow Leon on Patreon: https://www.patreon.com/c/LeonSimons/home Follow Stacey Randecker on X/Twitter: @DrivingMzStacey and Bluesky: @bikingmzstacey.bsky.social Follow Eli Rabani on X/Twitter: @radsci and Bluesky: @radsci.bsky.social You can leave a question in the YouTube Live chat. Please begin your question with "Question:" to make it easy for our mods to spot it. For more Climate Chat episodes, see our YouTube home page: https://www.youtube.com/@climatechat For recent YouTube Live Climate Chat programs: https://www.youtube.com/@climatechat/streams

    1h 14m

  5. MAR 2

    Why We “Choose to Fail” on Climate Action

    In this Climate Chat episode, host Dan Miller discusses the reasons that humanity is failing to seriously address the existential climate crisis. While climate science clearly indicates that we must act urgently and dramatically, and cost-effective climate and energy solutions are available, we continue to "choose to fail." Related Climate Chat programs: Barriers to Climate Action: https://youtube.com/live/olcYG0LwJlw Optimism Bias & Climate Change: https://youtu.be/XYb1T2-RmlQ Please Like and Subscribe! Dan Miller has been giving talks around the world on the need for urgent climate action for over 20 years. He is co-founder of The Roda Group, a climate-tech venture capital group, and he serves as an advisor for other climate funds and climate-focused non-profit groups. He started Climate Chat in 2021 on Clubhouse and added YouTube in 2023. Follow Dan Miller on X/Twitter: @danmiller999 Follow Dan Miller on Bluesky: @danmiller999.bsky.social and @climatechat.bsky.social Leon Simons is a climate scientist based in the Netherlands. He was a co-author with James Hansen on the 2023 "Global Warming in the Pipeline" paper that discussed the recent acceleration in global warming. Leon's work has focused recently on changes in aerosol emissions from ships and the impact of those changes on climate change. You can access Leon's research writings here: https://www.researchgate.net/profile/Leon-Simons Follow Leon on X/Twitter: @LeonSimons8 and Bluesky: ‪@leonsimons.bsky.social‬ Follow Leon on Patreon: https://www.patreon.com/c/LeonSimons/home Follow Stacey Randecker on X/Twitter: @DrivingMzStacey and Bluesky: @bikingmzstacey.bsky.social Follow Eli Rabani on X/Twitter: @radsci and Bluesky: @radsci.bsky.social You can leave a question in the YouTube Live chat. Please begin your question with "Question:" to make it easy for our mods to spot it. For more Climate Chat episodes, see our YouTube home page: https://www.youtube.com/@climatechat For recent YouTube Live Climate Chat programs: https://www.youtube.com/@climatechat/streams

    1h 25m

  6. FEB 16

    +2C by 2030s?!

    In this Climate Chat episode, hosts Dan Miller and Leon Simons discuss the latest information on global temperature trends and predictions of reaching +2ºC in the 2030s. We will also discuss James Hansen's latest communications. James Hansen's latest communication: "Another El Nino Already? What Can We Learn from It?" https://mailchi.mp/caa/another-el-nino-already-what-can-we-learn-from-it?e=a29768a646 Climate Chat programs are available here: https://www.youtube.com/@climatechat/streams Please Like and Subscribe! Dan Miller has been giving talks around the world on the need for urgent climate action for over 20 years. He is co-founder of The Roda Group, a climate-tech venture capital group, and he serves as an advisor for other climate funds and climate-focused non-profit groups. He started Climate Chat in 2021 on Clubhouse and added YouTube in 2023. Follow Dan Miller on X/Twitter: @danmiller999 Follow Dan Miller on Bluesky: @danmiller999.bsky.social and @climatechat.bsky.social Leon Simons is a climate scientist based in the Netherlands. He was a co-author with James Hansen on the 2023 "Global Warming in the Pipeline" paper that discussed the recent acceleration in global warming. Leon's work has focused recently on changes in aerosol emissions from ships and the impact of those changes on climate change. You can access Leon's research writings here: https://www.researchgate.net/profile/Leon-Simons Follow Leon on X/Twitter: @LeonSimons8 and Bluesky: ‪@leonsimons.bsky.social‬ Follow Leon on Patreon: https://www.patreon.com/c/LeonSimons/home Follow Stacey Randecker on X/Twitter: @DrivingMzStacey and Bluesky: @bikingmzstacey.bsky.social Follow Eli Rabani on X/Twitter: @radsci and Bluesky: @radsci.bsky.social You can leave a question in the YouTube Live chat. Please begin your question with "Question:" to make it easy for our mods to spot it. For more Climate Chat episodes, see our YouTube home page: https://www.youtube.com/@climatechat For recent YouTube Live Climate Chat programs: https://www.youtube.com/@climatechat/streams

    1h 38m

  7. FEB 9

    Risks of Termination Shock with Francisco Estrada

    In this Climate Chat episode, we interview climate scientist Francisco Estrada about his recent paper assessing the risks of "Termination Shock" following the implementation of Solar Radiation Management (SRM, a.k.a., solar-geoengineering). Termination Shock is a rapid, severe warming spike that would occur if SRM were suddenly stopped, because accumulated greenhouse gases would heat the planet all at once instead of being masked. Francisco Estrada is a researcher at the Department of Environmental Economics, Institute for Environmental Studies (IVM), Vrije Universiteit Amsterdam. He also works in the Climate Change research group at the Center for Atmospheric Sciences of the Universidad Nacional Autónoma de México (UNAM). His PhD work centered on developing a new global Stochastic Integrated Assessment Model. He obtained a MSc on Risk Management from the Instituto Tecnológico Autónomo de México (ITAM). He was a contributing author for the Working Group II of the IPCC's Fourth Assessment Report and he has been selected as expert reviewer for the Working Group II contribution for the IPCC's Fifth Assessment Report. He has participated and coordinated research projects on the assessment of the potential impacts of climate change in agriculture, the economics of climate change and also on the generation of regional climate change scenarios. His recent paper is "Economic assessment of SRM under socio-political and geophysical tipping dynamics": https://iopscience.iop.org/article/10.1088/2752-5295/ae33df An article about the paper appeared in New Scientist magazine: "Termination shock could make the cost of climate damage even higher": https://www.newscientist.com/article/2513124-termination-shock-could-make-the-cost-of-climate-damage-even-higher/ Follow Francisco on X/Twitter: @festradaCCA Climate Chat SRM/Solar-Geoengineering Playlist: https://www.youtube.com/playlist?list=PLep9tQgCqjCoWPp-16Oxhjt9QPvtynzql Climate Chat programs are available here: https://www.youtube.com/@climatechat/streams Please Like and Subscribe! Leon Simons is a climate scientist based in the Netherlands. He was a co-author with James Hansen on the 2023 "Global Warming in the Pipeline" paper that discussed the recent acceleration in global warming. Leon's work has focused recently on changes in aerosol emissions from ships and the impact of those changes on climate change. You can access Leon's research writings here: https://www.researchgate.net/profile/Leon-Simons Follow Leon on X/Twitter: @LeonSimons8 and Bluesky: ‪@leonsimons.bsky.social‬ Follow Leon on Patreon: https://www.patreon.com/c/LeonSimons/home Dan Miller has been giving talks around the world on the need for urgent climate action for over 20 years. He is co-founder of The Roda Group, a climate-tech venture capital group, and he serves as an advisor for other climate funds and climate-focused non-profit groups. He started Climate Chat in 2021 on Clubhouse and added YouTube in 2023. Follow Dan Miller on X/Twitter: @danmiller999 Follow Dan Miller on Bluesky: @danmiller999.bsky.social and @climatechat.bsky.social Follow Stacey Randecker on X/Twitter: @DrivingMzStacey and Bluesky: @bikingmzstacey.bsky.social Follow Eli Rabani on X/Twitter: @radsci and Bluesky: @radsci.bsky.social You can leave a question in the YouTube Live chat. Please begin your question with "Question:" to make it easy for our mods to spot it. For more Climate Chat episodes, see our YouTube home page: https://www.youtube.com/@climatechat For recent YouTube Live Climate Chat programs: https://www.youtube.com/@climatechat/streams

    1h 45m

  8. FEB 2

    Can SRM Prevent Tipping Points?

    In this Climate Chat episode, host Dan Miller discusses SRM and its possible impact on various tipping points. Much of the information comes from the the following research paper: "The interaction of solar radiation modification with Earth system tipping elements" by Gideon Futerman, Mira Adhikari, Alistair Duffey, Yuanchao Fan, Jessica Gurevitch, Peter Irvine and Claudia Wieners: https://esd.copernicus.org/articles/16/939/2025/esd-16-939-2025.pdf Climate Chat SRM/Solar-Geoengineering Playlist: https://www.youtube.com/playlist?list=PLep9tQgCqjCoWPp-16Oxhjt9QPvtynzql Climate Chat programs are available here: https://www.youtube.com/@climatechat/streams Please Like and Subscribe! Dan Miller has been giving talks around the world on the need for urgent climate action for over 20 years. He is co-founder of The Roda Group, a climate-tech venture capital group, and he serves as an advisor for other climate funds and climate-focused non-profit groups. He started Climate Chat in 2021 on Clubhouse and added YouTube in 2023. Follow Dan Miller on X/Twitter: @danmiller999 Follow Dan Miller on Bluesky: @danmiller999.bsky.social and @climatechat.bsky.social Leon Simons is a climate scientist based in the Netherlands. He was a co-author with James Hansen on the 2023 "Global Warming in the Pipeline" paper that discussed the recent acceleration in global warming. Leon's work has focused recently on changes in aerosol emissions from ships and the impact of those changes on climate change. You can access Leon's research writings here: https://www.researchgate.net/profile/Leon-Simons Follow Leon on X/Twitter: @LeonSimons8 and Bluesky: ‪@leonsimons.bsky.social‬ Follow Leon on Patreon: https://www.patreon.com/c/LeonSimons/home Follow Stacey Randecker on X/Twitter: @DrivingMzStacey and Bluesky: @bikingmzstacey.bsky.social Follow Eli Rabani on X/Twitter: @radsci and Bluesky: @radsci.bsky.social You can leave a question in the YouTube Live chat. Please begin your question with "Question:" to make it easy for our mods to spot it. For more Climate Chat episodes, see our YouTube home page: https://www.youtube.com/@climatechat For recent YouTube Live Climate Chat programs: https://www.youtube.com/@climatechat/streams

    1h 33m
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About

Climate Chat is a channel where we discuss all things climate with scientists, technologists, authors, advocates, communicators and others helping us understand and fight climate change.

Information

  • Creator
    Dan Miller and Leon Simons, hosts
  • Episodes
    84
  • Rating
    Explicit
  • Copyright
    © Copyright 2026 Climate Chat
  • Show Website
    Climate Chat