Svartisen Glacier (Norway) ©Peter Hassett 18 February 2013

A Nasa-funded study found instability in the Thwaites glacier meant there would probably come a point when it was impossible to stop it flowing into the sea and triggering a 50cm sea level rise. Other Antarctic glaciers were likely to be similarly unstable.

Click here to read the rest of the article.: Glacial melting in Antarctica may become irreversible | World news | The Guardian