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Mississippi salt intrusion is a wakeup call for New Orleans


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FILE - In this aerial photo, dredging operations to build an underwater sill are seen, with the city of New Orleans in the background, Sept. 26, 2023, in Plaquemines Parish, La. Salt water from the Gulf of Mexico has caused problems for water systems in Plaquemines Parish. Fears that it would reach New Orleans' water intakes have abated amid improved forecasts, but officials in the area say the threat could return in years to come as climate change, sea level rise and dredging of the river for commercial traffic all could contribute to salt water intrusion. (AP Photo/Gerald Herbert, File)

Rising seas portend more problems. The sea level around New Orleans is rising at a rate of as much as 9 millimeters (0.35 inches) per year, or three feet (about 1 meter) each century, much higher than the global average and the highest rate measured in the United States, according to experts at NOAA's Center for Operational Oceanographic Products and Services.


Originally published at The Associated Press

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