We don't need them to "leave now." We don't need them to move to California. We need them to move to Baton Rogue over a period of decades. Under a high emissions scenario, sea level is projected to rise 6 feet by 2100. New Orleans is on average 1-2 feet below sea level (up to 10 feet). Baton Rouge is 60 feet above sea level. The average elevation of the state is 100 feet.

In any given year, 15% of the population moves, and 40% of them move to a different county. https://www.census.gov/library/stories/2023/09/why-people-mo.... It's insane to say that most people wouldn't be able to make a once-in-a-lifetime move just a couple of towns over sometime over the next few decades.

Baton Rouge is partially on a bluff. But didn't you see the 7m map? The coastline will be lapping at St. George, southern EBR Parish along Burbank Road and the south part of LSU campus at that point.