Antarctica is a 'game of two halves'. East Antarctica is a mile thick ice sheet on top of solid bedrock. But the ice on West Antarctica sits precariously above and below the sea line on a series of islands. The country sized glaciers on it's outer edges, that keep the ice flow at bay, have been receding for years, but now new research has shown the disintegration of Thwaites, or Doomsday, Glacier is accelerating fast. https://youtu.be/49NPdyUEos8