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Watched Arctic Sinkholes I Full Documentary I NOVA I PBS from YouTube
In the Arctic, enormous releases of methane, a potent greenhouse gas, threaten the climate.Colossal explosions shake a remote corner of the Siberian tundra, ...

November 12, 2023 at 11:46PM: 📺 watched NOVA S49 E1 “Arctic Sinkholes”

https://www.youtube.com/watch?v=HvKpnaXYUPU (https://www.frederickcalica.com/?p=3351822)

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