Every year, over 30 million tourists go to Venice, Italy, to see the palaces along the Grand Canal; built on ten million posts driven into the mud, industrialization and motorboat traffic put a thousand years of history and innovation in jeopardy.

Located where the Hudson River meets the Atlantic, climate change, a growing population, and an archaic drainage system combined can become disastrous as half a million New Yorkers live in a catastrophic flood zone.