Ars Technica: We recently covered some research on Greenlands Jakobshavn Ice Stream, the worlds fastest glacier. While nothing on Antarctica can match that speed, the continent has ice streams of its own. Many have been shrinking, too--retreating and thinning as melting at the coast pulls continental ice out to die in the sea.
Of particular note is the Pine Island Glacier (PIG, for short). This massive glacier flows into the Amundsen Sea, and was the source of the 35km wide iceberg that made news last November....