[Image: New Scientist, July 2004; worth clicking on to enlarge].
BLDGBLOG has been doing its homework, and we've found that the New Scientist explained all this way back in 2004: "Venice's problem is largely one of subsidence, both natural and man-made. From the 1930s to the 1970s, fresh water was pumped out of underground reservoirs beneath the city to supply surrounding factories. As the water was pumped out of these aquifers – which are rather like rocky sponges – their water-filled pores compressed and the ground sank. Combined with sea-level changes, this has produced an effective rise in sea level of 23 centimetres over the past 100 years."
Thus the whole raise-the-city-with-water-pumps idea.
"Numerous plans have been proposed to prevent Venice succumbing to the floodwaters, many of them controversial," New Scientist continues. "But if the latest idea gets the go-ahead it will raise more than a few eyebrows. Rather than trying to control the rising water level by keeping the sea out, engineers at the nearby University of Padua want to lift the entire city out of harm's way by raising the ground upon which it sits."
Fair enough.
But I still think they should put the whole thing onto an arched labyrinth of mechanized legs – inter-connected offshore oil platforms that can walk – and let the city flee inland by itself.
King Kong 2: Contro Venezia! The love-crazed simian dukes it out – with Spider-Venice.
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