AdvertisementOysters On The Half Shell Are Actually Saving New York's Eroding HarborOctober 10, 2018Andrea StrongfacebookEmailThe shells are trucked over to Brooklyn's Greenpoint neighborhood and once a month are brought en masse to Governors Island in the heart of the New York Harbor. Billion Oyster Project has collected more than 1 million pounds of oyster shells so far. (Courtesy of Agata Poniatowski)