Overview: A look at how scientists measure changes in the polar regions and what those changes mean for the animals and people who live there, as well as the rest of the planet.
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First Air Date: Oct 26, 2011Last Air date: Dec 07, 2011Season: 1 SeasonEpisode: 7 EpisodeRuntime: 50 minutesQuality: HDIMDb: 8.30 / 10 by 265 usersPopularity: 18.101Language: English