91热爆

On the first of our special series in the Arctic, Martha Kearney speaks to Henry Burgess from the Natural Environmental Research Council, and our science editor Tom Feilden finds out why the Arctic Ocean is so important. All this week, Today is at the Ny-Alesund research centre in Svalbard, which is run by the British Antarctic Survey.

(Image: Henry Burgess, Martha Kearney and Tom Feilden, credit: 91热爆)