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Nova

Arctic Sinkholes

Season 49, Episode 1 of 19

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?

More From this Series

Previously Aired

Day
Time
Channel
2/2/2022
9 p.m.
PBS 6
2/3/2022
2 a.m.
PBS 6
2/4/2022
2 p.m.
PBS 6
2/6/2022
7 a.m.
PBS 6
4/5/2023
9 p.m.
PBS 6
4/6/2023
2 a.m.
PBS 6
4/7/2023
2 p.m.
PBS 6
4/11/2023
8 p.m.
PBS 6 Plus
4/12/2023
3 a.m.
PBS 6 Plus
3/13/2024
10 p.m.
PBS 6
3/14/2024
3 a.m.
PBS 6
3/15/2024
3 p.m.
PBS 6
3/17/2024
8 a.m.
PBS 6
3/18/2024
2 p.m.
PBS 6 Plus
3/18/2024
9 p.m.
PBS 6 Plus
3/19/2024
4 a.m.
PBS 6 Plus
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