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Ironically, all the pumps, canals, and levees that work so hard to keep New Orleans above water are actually causing the city to sink at a rate of three feet per century. Some scientists predict that by the year 2100, the "City That Care Forgot" will be
under water. Does New Orleans have a deep-sea Mardi Gras in its future? Scuba gear or not, it's interesting to
ponder.
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By the year 2100, the city of New Orleans may be extinct, submerged in water. A future akin to the fabled sunken city of Atlantis? Yes, according to Dr. Chip Groat, Director of the United States Geological Survey (USGS) in Washington, D.C., "With the projected rate of subsidence (the natural sinking of land), wetland loss, and sea level rise," he said, "New Orleans will likely be on the verge of extinction by this time next century."
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New Orleans is sinking three feet per century--eight times faster than the worldwide rate of only 0.4 feet per century. Currently, New Orleans, on average, is eight feet below sea level--11 feet in some places.