Washington Post: The National Oceanic and Atmospheric Administration announced yesterday that it will evaluate whether four kinds of seals inhabiting Alaska’s Bering Sea should be placed on the endangered species list because of melting sea ice. In December, an environmental group, the Center for Biological Diversity, petitioned NOAA’s Fisheries Service to list ribbon seals as facing extinction because global warming has affected the extent of ice cover in both the Bering and Chukchi seas, where the …