Why that extra metre of sea level rise in 2100 is not going to happen after all

By Arnout Jaspers Thwaites Glacier. Credit: NASA/James Yungel In 2016, a headline grabbing study said that the Antarctic ice sheet is much more unstable than was estimated untill then.  As a consequence, projected sea level rise in 2100 would double. Computer modellers from Deltares and KNMI scrambled back to their drawing boards [...]