What stands between Shanghai and drowning is an average 13 feet of land. Construction of thousands of high-rise buildings, combined with the pumping of groundwater, is making the soil subside
Higher tides are washing away the precious delta soil upon which the city's foundations are built, and water supplies are becoming more tainted as seawater intrudes more deeply into the fresh water of the Yangtze
Because global warming is heating up the sea, local fisheries are expected to see their business drop. Typhoons and other forms of extreme weather are scaring away tourists and giving large cargo ships reasons to seek other ports.