Media Category: 3 : 2 content image

Submarine

The submarine USS Annapolis reaches the frozen Arctic Ocean surface after breaking through three feet of ice. Photograph: U.S. Navy/Getty Images

Submarine

Arctic sea routes

The new Arctic sea routes

Arctic sea routes

Globes showing the Northwest Passage and the Northern Sea Route.

Qaanaaq glacier

Qaanaaq glacier is retreating at the rate of 50cms a year

Qaanaaq glacier