Nova

Arctic Sinkholes

Season 49, Episode 1 of 10

Scientists investigate colossal explosions in Siberia and other evidence that rapidly melting soil in the Arctic is releasing vast amounts of methane, a potent greenhouse gas. What are the implications for our climate future?

Previously Aired

Day
Time
Channel
2/2/2022
9 p.m.
2/3/2022
2 a.m.
2/4/2022
2 p.m.
2/6/2022
7 a.m.
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