New Orleans is sinking—and so are its $15 billion flood defenses

New Orleans is sinking—and so are its  billion flood defenses

Parts of New Orleans and its surrounding wetlands are gradually sinking, and while most of the city remains stable, a new study from Tulane University researchers suggests that sections of the region’s $15 billion post-Katrina flood protection system may need regular upgrades to outpace long-term land subsidence. The study, published in Science Advances, used satellite … Read more