Agence France-Presse: A key area of ice in west Antarctica may already be unstable enough to cause global sea levels to rise by three metres of ocean rise, scientists said on Monday.
The study follows research published last year, led by Nasa glaciologist Eric Rignot, warning that ice in the Antarctic had gone into a state of irreversible retreat, that the melting was considered unstoppable and could raise sea level by 1.2 metres.
This time, researchers at Germanys Potsdam Institute for Climate Impact Research...