Unstable polar glaciers lose ice ever faster As oceans warm, Antarctica’s ice sheets are at growing risk, with polar glaciers losing ice at rates to match the height of global monuments. By Tim Radford     LONDON, 31 May, 2019 – Almost a quarter of all the glaciers in West Antarctica have been pronounced "unstable".  This means, in the simplest terms, that they are losing ice to the ocean faster than they can gain it from falling snow. In the last 25 years most of the largest flows have accelerated the loss of ice fivefold. Read the full article