[HIGHLIGHTS] Why spring can strike quickly in the Arctic – scientists chase warm winds around the North Pole

Icebreaker Oden leaves Svalbard and sets course for the North Pole. Mission: catch warm winds.

Sea ice around North Pole has decreased by about 40 percent since the 80s. The researchers suspect that it is these currents that kickstart the melting and cause winter to tip over into summer. You can see how it works and more about the thawing Arctic in the video. The expedition leader: "It hasn't happened before, no one has tried. We don't know, but we believe it is possible"