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Episode #1
Arctic Sinkholes
Episode #2
Secrets in the Scat
Episode #3
Great Mammoth Mystery
Episode #4
Augmented
Episode #5
Determined: Fighting Alzheimer's
Episode #6
Dinosaur Apocalypse: The New Evidence
Episode #7
Dinosaur Apocalypse: The Last Day
Episode #8
Why Ships Crash
Episode #9
Ice Age Footprints
Episode #10
Ultimate Space Telescope
Episode #11
Saving Venice
Episode #12
Ending HIV in America
Episode #13
Computers v. Crime
Episode #14
Can Psychedelics Cure?
Episode #15
Ocean Invaders
Episode #16
Nazca Desert Mystery
Episode #17
Crypto Decoded
Episode #18
Zero to Infinity
Episode #19
Rebuilding Notre Dame
Go to episode

NOVA

1974

Arctic Sinkholes 49 Season 1 Episode

7.1

In the Arctic, enormous releases of methane, a potent greenhouse gas, threaten the climate.

Country
United States
Genre
Documentary
Released
03 Mar, 1974
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