From our collaborating partner “Living on Earth,” public radio’s environmental news magazine, an interview by Host Steve Curwood with Penn State geologist Richard Alley. Antarctica’s ice shelves are the gatekeepers between the continent’s glaciers and the open ocean. As the planet warms, these shelves shrink, exposing more and more ice, which leads to more melting. This frozen … Continue reading What the Melting of Antarctic Ice Shelves Means for the Planet