IE what are the areas we should be seeking to migrate as many people as possible to before shtf.
It’s either that or let tens of millions of people die, it’s no permanent solution but considering the energy costs of desalination it may be the least environmentally damaging option.
Tens of millions of people will have to relocate, and billions of people will have to learn how to survive while consuming drastically less.
“But I’ll diiiiiiiiie if I can’t have 3 meals with meat, 1 liter of soda, a pack of cigarettes, 2 gallons of gasoline, and AC 30° below outdoor temperature each and every day!”
3 gallons of water per person per day is not a death sentence.
Not everywhere needs that strict water rationing, what about the very few parts of the globe that have an excess of fresh water?