NEW YORK—New York City marshes are not only impacted by storm surge and rising sea levels, they are also threatened by the outflows of sewage and stormwater that the city releases into the waterways during rainstorms, as well as the high nitrogen levels present in treated water. The amount of inorganic sediment—sand, silt and clay—in … Continue reading New York’s Marshes Plagued by Sewage Runoff and Lack of Sediment