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Season
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NOVA
Season 49 Episode 1: Arctic Sinkholes
HD1974TV-Series53 SeasonsS49 E17.0
In the Arctic, enormous releases of methane, a potent greenhouse gas, threaten the climate.
- Genre:
- Documentary
- Seasons:
- 53
- Episodes:
- 1020
- Quality:
- HD
- Status:
- Returning Series
- First Air:
- 1974
- IMDb:
- 7.0
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