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Study: New Orleans Has 'Point of No Return'
5 May
Summary
- New Orleans may be surrounded by the Gulf of Mexico by century's end.
- Coastal Louisiana is the world's most vulnerable zone to climate change.
- Experts urge immediate, coordinated relocation of New Orleans residents.
A new study suggests New Orleans is nearing a "point of no return," with projections indicating it could be surrounded by the Gulf of Mexico within decades due to escalating sea-level rise and wetland erosion. Researchers identify southern Louisiana as the most physically vulnerable coastal zone globally, facing significant sea-level rise and land loss.
Experts recommend immediate, coordinated efforts to relocate the city's population of about 360,000 people to safer areas. Despite billions spent on flood defenses like levees since Hurricane Katrina, these measures are unlikely to provide long-term protection against the intensifying climate threats.
The paper highlights that even halting climate change now would not save New Orleans, as it is situated below sea level. The co-authors advocate for a managed retreat, comparing the city's condition to a terminal illness with an opportunity for "palliative care" through planned transitions.
Past decisions, such as scrapping the Mid-Barataria Sediment Diversion project and legal challenges involving oil and gas companies, are seen as accelerating the inevitable. These actions limit options for rebuilding land and protecting coastal areas, suggesting a future of repeated levee failures and eventual inundation.
