Geophysicist questions stability of Antarctic ice sheet

There is a growing debate over the fate of the world's largest ice sheet, whose sudden melting is sending shockwaves throughout the geophysics community. Researchers contend that by studying other periods of global warming--namely, the Mid-Pliocene Warm Period (MPWP), which occurred approximately 3 million years ago, scientists can better understand the potential impact of today's warming trendings.