• Annual sea ice minimum in the Arctic

      Arctic Ocean
      The sea ice extent in the Arctic Ocean reached its annual minimum of 4.81 million square kilometres on 12 September 2021. As such, the 2021 Arctic sea-ice minimum comes in at 12th plac

    • Open waters around the North Pole: Arctic sea ice in retreat

      Arctic Ocean
      This September, the Arctic sea ice extent has shrunk to 4.1 million square kilometres (sq km)-the second lowest in the history of satellite measurements. It is exceeded only by the all