Guardian: Changes in Arctic sea ice coverage from 1978 to 2008 Link to this video A pioneering expedition to the north pole has confirmed that Arctic ice is thinner than expected, highlighting fears that the region could be free of ice in the summertime within a few decades. The Catlin Arctic Survey, led by polar explorer Pen Hadow, found that the area covered by their survey was covered almost entirely by ice less than one year old. The region, in the northern part of the Beaufort sea, …