Truer words about global warming and sea level rise have rarely, if ever, been uttered in connection with what East Hampton Town government is facing: “Literally, the shape of our town is going to change. We’re better off having a plan.” The speaker was Jeremy Samuelson, who is leading a new effort to come to grips with what lies ahead. What lies ahead looks bad. According to New York State’s most conservative estimate, the bays and oceans will rise by 1.3 feet by 2050. This is enough for Napeague Harbor to expand to Route 27, for example, potentially cutting off Montauk and leading to significant questions about how to replace inundated infrastructure. What will remain of high land along Gerard Drive at Accabonac Harbor would be a pair of islands. Erosion nearly everywhere along the beaches will only further exacerbate the tension between protecting private properties with bulkheads and the inevitable loss of public beaches that would result. So far, the coastal policies of governm