Sep 21, 2012 - 4:00pm
Scientists at the US National Snow and Ice Data Center recently announced that Arctic sea-ice extent had fallen to 3.41 million square kilometres—the lowest summer minimum extent since satellite observations began in 1979.
Summer sea-ice in the Arctic has been has been retreating more or less towards the North Pole for three decades as ocean and air temperatures have risen.
The new record minimum is nearly 800,000 square kilometres less, or an area not far off that of New South Wales.
For full details, download the Research Brief below.