Season 49 · Episode 1 of 19
Aired Feb 2, 2022
Arctic Sinkholes
Wed, Feb 2, 2022
Streaming on PBS
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In the Arctic, enormous releases of methane, a potent greenhouse gas, threaten the climate.
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Airs
Wed, Feb 2, 2022
Show
Nova
1020 episodes
Episode
S49 · E1
in Nova