Irish Times: SEA ICE cover at the North Pole continues its inexorable melt-down, shrinking to a near record extent, according to new satellite data. A related study also shows that the permanent ice cap over the Arctic is also thinning rapidly. Data released yesterday by the National Aeronautics and Space Administration (Nasa) and the US National Snow and Ice Data Centre in Boulder, Colorado, shows that ice over the Arctic continues to disappear at a startling rate. A Nasa satellite …