This article in the Daily Beast confirms a simple truth. As we lose large areas of ice cover, the earth changes in dramatic ways. When I wrote the movie Ice Island in 2000, I learned that the ice was so thick over Antarctic that is squeezed the earth into a slight pear shape. The large mass also affects gravity and as we shift mass around the planet by melting ice, there are documentable changes that are happening very quickly. The Daily Beast sums it up well.