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What happens when the Arctic’s ancient freezer starts to fail? Scientists have uncovered the truth behind giant sinkholes exploding from the frozen ground in Siberia, and a vast lake bubbling with methane in Alaska .They...
Arctic Sinkholes is an episode from NOVA Now by GBH. What happens when the Arctic’s ancient freezer starts to fail? Scientists have uncovered the truth behind giant sinkholes exploding from the frozen ground in Siberia, and a vast lake bubb...
This episode belongs to NOVA Now.
Use the player on this page to stream the episode online.
Published Mar 31, 2026, 16:37 long, audio available.
What happens when the Arctic’s ancient freezer starts to fail? Scientists have uncovered the truth behind giant sinkholes exploding from the frozen ground in Siberia, and a vast lake bubbling with methane in Alaska .They are pointing to a dramatic shift beneath our feet – one driven by thawing Arctic permafrost, the vast frozen layer that stores nearly twice as much carbon as the entire atmosphere. Learn why these geological curiosities reveal a dangerous climate wildcard – one powerful enough to accelerate global warming in ways current models don’t yet predict. To watch the full film, visit Learn more about NOVA and
You can listen to Arctic Sinkholes online on Radio and Podcast. Open the player on this page to stream the available audio.
Arctic Sinkholes is an episode from NOVA Now by GBH.
This episode is 16:37 long.
This episode was published on Mar 31, 2026.
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You can listen to Arctic Sinkholes on this page when the episode audio is available from the podcast feed.
Arctic Sinkholes is from NOVA Now by GBH.
Published Mar 31, 2026 and 16:37 long