NOVA
PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and technology, and highlights the people involved in scientific pursuits.
Season 49 · Episode 1 ·
Arctic Sinkholes
In the Arctic, enormous releases of methane, a potent greenhouse gas, threaten the climate.
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Episode 1 of season 49 of NOVA: “Arctic Sinkholes”. Aired 2022-02-02. Watch it online free on ZapFlix.