In part 2 of our special reports from Antarctica, Sky's science correspondent Thomas Moore is in Rothera, British Antarctic Survey's main research base.<br /><br />He speaks to a scientist who camped in an area of Antarctica that is most vulnerable to climate change and not visited by humans for half a century. She warns that a huge ice sheet in the region could be about to break off into the sea.<br /><br />There's an extended interview with an ice diver on the beauty and the perils of diving in minus 2 water.<br /><br />And Thomas meets a marine biologist about the elephant seals scattered around the research base.
