

National Geographics Polar Explorations
Greenland and Arctic Islands
S1 • E9 Mar 6, 2015 30m
Delve into the past, present, and future of three of the most notable islands in the Arctic and sub-Arctic: Iceland, one of the world's most geologically active areas; Greenland, which dwarfs all other Arctic islands in size; and the Svalbard archipelago, home to The Global Seed Vault.