In the US, heat and drought have reduced the flow of the Mississippi River so much that New Orleans, at the mouth of the river, is facing salt water intrusions into the city’s water supply.

The Army Corps of Engineers is building an underwater barrier and planning to barge in 36 million gallons of freshwater *per day.*

At this point, it’s a race to see if New Orleans or Miami is the first major American city to become uninhabitable.

https://amp.cnn.com/cnn/2023/09/23/us/freshwater-new-orleans-saltwater-mississippi-river/index.html