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EPISODE · PRIME VIDEO
Season 49 · Episode 5
Landed Wed, 2 Feb 2022 · 21:00 your time · 1 episode · 1h 0m
Season 49, Episode 5 of NOVA aired Wednesday, 2 February 2022 at 9pm ET on PBS.
- S49E05Arctic SinkholesColossal explosions shake a remote corner of the Siberian tundra, leaving behind massive craters. In Alaska, a huge lake erupts with bubbles of inflammable gas. Scientists are discovering that these mystifying phenomena add up to a ticking time bomb, as long-frozen permafrost melts and releases vast amounts of methane, a potent greenhouse gas. What are the implications of these dramatic developments in the Arctic? Scientists and local communities alike are struggling to grasp the scale of the methane threat and what it means for our climate future.
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Episode 6
Wed 9 Feb · 21:00
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