Antarctic ice shelves risk CRUMBLING into sea sparking dangerous rise in sea level SEA levels could rise and submerge coastal towns and cities across the world as two ice shelves weighing trillions of tonnes are under threat of crumbling. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Full Moon in October: When is the Full Moon this month? How to see the October Full Moon?Meteor shower 2018: When is the next meteor shower? When are the Orionids?ASTEROID WARNING: Centaurs from Neptune and Jupiter could DESTROY EARTHYellowstone volcano eruption: Officials warn it's 'IMPOSSIBLE' to keep track of systemsMount Etna WARNING: British holiday hotspot at risk of TSUNAMI if volcano collapsesPlanets to align and trigger major quake in days - Earthquake forecast