In late November, I began a three-week stay on the CCGS Amundsen, a Canadian Coast Guard ice-breaker and scientific research vessel that is spending 15 months in the Arctic. This expedition will be the first ever to spend the winter moving through sea ice north of the Arctic Circle -- and at present, I am the only reporter on board. The logistics of such an expedition are extremely difficult. But we are here now because it is so important to predict the effects of climate change in the Arctic. Press Play to watch with narration by the author, or use …