Murmansk is the largest city in the Arctic Circle. Nowhere else in the world do so many people spend so long in near-perpetual darkness. On Sunday, residents came out to catch the first glimpse of the sun in 40 days.
Emperor Penguins are facing extinction if the rapidly melting Antarctic ice is not preserved. Stephanie Jenouvrier, an Associate Scientist at the Woods Hole Oceanographic Institution, explains what needs to be done to save the vulnerable species.