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Artwork for Climate Chat
Climate Change
Atlantic Meridional Overturning Circulation
Global Warming
Biochar
Regenerative Economics
El Niño
Solar Radiation Management
Tipping Points
CO2
San Francisco Climate Week
Ocean Heat Content
Aerosols
Carbon Removal
Work On Climate
Northern Hemisphere
Fossil Fuels
Methane
Earth's Energy Imbalance
Carbon Farming
North Pacific

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.

PublishesWeeklyEpisodes174Foundeda month ago
Number of ListenersCategories
Earth SciencesScience

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Artwork for Climate Chat

Latest Episodes

In this Climate Chat episode, hosts Leon Simons and Dan Miller interview climate scientist Detlef van Vuuren about his recent paper where he lays our new "emissions scenarios" that will be used by the IPCC to predict future global warming. Since futu... more

In this Climate Chat episode, host Dan Miller interview Devonian Systems co-founder and CEO Alan Ransil about their approach to producing biochar. Biochar is produced when biomass is burned without the presence of oxygen, a process know as pyrolysis.... more

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In this Climate Chat episode, host Dan Miller talks about what he learned at San Francisco Climate Week and what worried him about optimism bias and the lack of appreciation of accelerated warming and tipping points. He will also discuss some optimis... more

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In this Climate Chat episode, we interview returning guest René van Westen on his latest Atlantic Meridional Overturning Circulation (AMOC) research, including his research that shows the recent sudden shift of the Gulf Stream is an indication of pen... more

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Recent Guests

Alan Ransil
CEO or representative of Devonian Systems (as introduced
Devonian Systems
Episode: Biochar Carbon Removal: Finally Ready for Primetime? with Alan Ransil
René van Westen
AMOC climate scientist, lead author on multiple papers about abrupt Gulf Stream changes and AMOC tipping points
Utrecht University (Netherlands)
Episode: Current Events: Are We Hitting the AMOC Tipping Point? with AMOC Scientist René van Westen
Alison Taylor
Professor in the Stern School at NYU; author of Higher Ground
New York University (Stern School)
Episode: Business Ethics & Climate Change with Alison Taylor
Francisco Estrada
Researcher at National Autonomous University of Mexico, head of Climate Change Research Program
National Autonomous University of Mexico
Episode: Risks of Termination Shock with Francisco Estrada
Eric Rignot
Glaciologist and climate scientist
University of California, Irvine; NASA JPL
Episode: 'Doomsday Glacier' Update with Eric Rignot
Andrew Dessler
Climate scientist invited for a later episode
Texas A&M University (as referenced in discussion)
Episode: Northern/Southern Hemisphere Warming Asymmetry
Wim Carton
Co-author of The Long Heat
Book author and climate activist
Episode: Northern/Southern Hemisphere Warming Asymmetry
Jigar Shah
Former head of the DOE Loan Office; co-founder of Generate Capital
Generate Capital
Episode: Northern/Southern Hemisphere Warming Asymmetry
Michael Grunwald
Author of We Are Eating the Earth
Author, We Are Eating the Earth
Episode: Is "Carbon Farming" a Scam? with author Michael Grunwald

Hosts

Dan Miller
Host of Climate Chat
Leon Simons
Co-host; climate scientist

Chart Rankings

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Talking Points

Recent interactions between the hosts and their guests.

The Iran War Climate Paradox Explained
Q: First, I'd like to ask clarification on the graph that you showed of the relative impact of LNG, natural gas coal. Was that based on the 20-year global warming potential?
Yes, it used the 20-year global warming potential (GWP20) to compare impacts, and the leakage rate of natural gas was highlighted as a significant factor in making gas as bad as or worse than coal in some analyses.
Current Events: Are We Hitting the AMOC Tipping Point? with AMOC Scientist René van Westen
Q: What is the probability of hitting the tipping point in the 21st century under an intermediate emission scenario?
Around 57 percent, indicating a substantial risk, with higher probabilities (around 90 percent) under very high emission scenarios and lower probabilities if emissions are reduced.
Optimism Bias & Climate Change
Q: Any thoughts on optimism bias and the other cognitive biases that we face?
The host asks about how optimism bias and related cognitive biases affect engagement with climate issues, nodding to the idea that even believers may not act due to distance, denial, or perceived costs, and that messaging must address these biases directly rather than solely presenting facts.
Risks of Termination Shock with Francisco Estrada
Q: Have you accounted for the feedback between SRM and CO2 reductions when SRM fails?
The discussion acknowledges that SRM is stylized in the model and may not fully capture CO2 feedbacks; even with SRM, CO2 dynamics and mitigation must continue, and the exact recovery path depends on mitigation levels and how quickly it is pursued after SRM failure.
Northern/Southern Hemisphere Warming Asymmetry
Q: Why do the hemispheres warm differently, and what factors contribute to this asymmetry?
The Northern Hemisphere has more land, less ocean area, and higher aerosol concentrations historically, which lowered reflected sunlight; as aerosols decline, less cooling remains, while the larger landmass and cloud dynamics accelerate warming there relative to the Southern Hemisphere.

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Frequently Asked Questions About Climate Chat

What is Climate Chat about and what kind of topics does it cover?

This shows a strong focus on climate science with regular forays into policy, economics, and ethics. Episodes frequently feature researchers, practitioners, and authors who unpack complex topics—ranging from paleo-climate signals and ice sheets to solar geoengineering, regenerative economics, and climate finance. The discussions blend rigorous science with practical implications for leadership, business strategy, and governance, often including live Q&A or guest interactions that push for clear takeaways and audience engagement. A notable pattern is the willingness to challenge conventional narratives about climate action, emphasize governance and ethics, and explore systemic pathways to decarbonization. Overall, it's a science-forward, pol... more

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These podcasts share a similar audience with Climate Chat:

1. Everything Is Changing
2. Ones and Tooze
3. The Ezra Klein Show
4. The Weekly Show with Jon Stewart
5. The Rest Is Politics: US

How many episodes of Climate Chat are there?

Climate Chat launched a month ago and published 174 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on Climate Chat?

Recent guests on Climate Chat include:

1. Alan Ransil
2. René van Westen
3. Alison Taylor
4. Francisco Estrada
5. Eric Rignot
6. Andrew Dessler
7. Wim Carton
8. Jigar Shah

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