Scientists say rising seas have pushed New Orleans past the “point of no return,” urge relocating residents
Researchers say rising seas, sinking land and wetland loss could leave the city surrounded by open water within decades, with 360,000 residents at risk.
- A study published Monday in Nature Sustainability warns that New Orleans must immediately begin planning a gradual, permanent evacuation to avert a dangerously rushed exodus, as the city has passed a 'point of no return' on climate-driven sea-level rise.
- Southern Louisiana faces between 3 and 7 meters of sea-level rise and has lost about 2,000 square miles of land since the 1930s, with the state continuing to lose a football field's worth every 100 minutes.
- Tulane University climate expert Jesse Keenan said 'New Orleans is in a terminal state,' noting there is 'no amount of money' that can 'keep an island situated below sea level afloat' in a city home to roughly 360,000 people.
- Yale School of the Environment professor Brianna Castro asked 'What kind of retreat do you want?' arguing that incentivizing migration prevents an uncoordinated, crisis-driven exodus where people are forced to leave abruptly.
- By 2100, rising seas could displace hundreds of millions globally, with around 13 million Americans living in coastal areas potentially forced to relocate to higher ground by the century's end.
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28 Articles
Wrong, Guardian, Climate Change Hasn’t Taken New Orleans Beyond the ‘Point of No Return’ - ClimateRealism
The Guardian claims in “‘Point of no return’: New Orleans relocation must start now due to sea level, study finds” that New Orleans has effectively entered a “terminal condition” and must begin an organized population retreat because sea-level rise will surround the city within decades. This is false. The article relies on speculative climate modeling, paleoclimate analogies, and worst-case sea-level projections that are nowhere near what actual…
The rising sea level threatens cities worldwide. For New Orleans on the US Gulf Coast, the critical point has already been exceeded, says climate researcher Torbjörn Törnqvist. Hamburg, London and Bangkok should also be prepared.
Climate-driven depopulation and adaptation realities in America’s coastal ground zero
With global temperatures poised to exceed the 1.5 °C Paris Agreement threshold—a level that triggered substantial ice-sheet collapse during the Last Interglacial—low-elevation coastal zones face sea-level commitments far beyond current planning horizons. With this geological frame of reference, we examine the impact of sea-level rise on what may be the most physically vulnerable coastal zone in the world using prehistoric and contemporary pattern
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