Frozen Planet
Season 1Episode 7Aired 2011-12-07
On Thin Ice
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.
BETA
BETAA 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.