How Much Ice Can Antarctica Afford to Lose?

Over the past 20 years, ice shelves in Antarctica that normally support the rest of the continent's glaciers have been shrinking, and some have disappeared entirely. A recent study led by researchers at the Friedrich-Alexander-Universität, in Germany, has mapped out which Antarctic ice shelves are buttressing the most ice and which are more "passive" and thus can stand to lose a large area without any immediate effect on the rest of the ice shelf. Ice shelves are slabs of ice several hundre