USA Today: The ice shelves in the southern part of the Antarctic Peninsula appear to be disappearing because of climate change, according to a new report from the U.S. Geological Survey and the British Antarctic Survey. “The loss of ice shelves is evidence of the effects of global warming,” says USGS scientist and lead author Jane Ferrigno. Melting of the West Antarctic part alone of the Antarctic ice sheet would cause a worldwide sea-level rise of approximately 18 feet. According to the …