The retreat of sea ice is leading to a CO2 generating feedback loop which could become a runaway system like Venus.

Click above to listen to part 1 of On Thin Ice, featuring Peter Wadhams, Emeritus Professor of Ocean Physics at Cambridge University in the U.K. and the author of A Farewell to Ice: A Report from the Arctic.

On Thin Ice:

Part 1: Peter Wadhams / Sea Ice

Part 2: Eric Rignot / Larsen C

Part 3: Peter Wadhams / Permafrost

Part 4: Åsmund Asdal / Doomsday Vault

Part 5: John Priscu / Microbes Unleashed

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2026 Webby Award Nominee
for our three part series on the 20th anniversary of Hurricane Katrina

Big Picture Science is an immersive radio show and podcast that reveals the unexpected connections in science.

Our Skeptic Check episodes take a critical look at extraordinary science claims and pseudoscience.

Don’t settle for a science snapshot. Get the big picture. 

Hosted By

Molly Bentley Executive Producer and Co-Host, Big Picture Science  

Seth Shostak Producer and Co-Host, Big Picture Science
Senior Astronomer, SETI Institute

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