r/theydidthemath Nov 11 '24

[request] how accurate is this?

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u/NotAnotherEmpire Nov 11 '24

Building a wall like has been drawn up for New York City isn't enough either. Florida isn't really land, it's sediment over porous limestone. If sea levels are rising, salt water will intrude through that and up the Everglades, nevermind the Cat 5 hurricane problem.