National Geographic: Sea levels around New York City and much of the U.S. Northeast will rise twice as much as in other parts of the United States this century, according to new climate models (U.S. Northeast map). Driven by changes in ocean circulation, the rapid sea level rise will bring increased risk of damage from hurricanes and winter storm surges, researchers say. "Some parts of lower Manhattan are only 1.5 meters [5 feet] above sea level," said lead study author Jianjun Yin, a climate …