Ted Scambos, Lead Scientist at the National Snow and Ice Data Center, weighs in on the latest study showing increased vulnerability of the Antarctic ice sheet to collapse.

ClimateCrocks: Is it possible that the most recent study of ice instability in Antarctica is cracking the unstable cliff face of climate denial? (how’s that for a tortured metaphor?)
Not enough information.

Above, National Snow and Ice Data Center lead scientist Ted Scambos sketches out the details. Below, I’ve posted Jason Box’s description of how many of the same processes anticipated for Antarctica are already  at work in Greenland.

Wikipedia Marine ice cliff instability