News ‘Extraordinary’: Almost 1/4 of West Antarctic ice is now ‘unstable’ May 17, 2019May 17, 2019Doyle Rice, USA TODAYComments Off on ‘Extraordinary’: Almost 1/4 of West Antarctic ice is now ‘unstable’ More unsettling news from the bottom of the world. Almost one-quarter of the ice in the West Antarctic ice sheet has been classified as "unstable."