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Migrations from too hot areas to warm or cold ones is what is going to happen. But moving to an empty area is different from moving to a heavily populated one. Moving thousands of people is different than moving maybe billions. It's not going to be easy and probably not cooperative. And that will be probably happening together with sea level rising and the resulting destruction / relocation of infrastructure. Very interesting times, much more than now.

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you are overestimating the damage caused by higher sea level and severely underestimating the damage caused by moving the freshwater saltwater line. I live in the Netherlands where we're basacally set up for sea level rises and severe storms that could happen once every 10000 years. so we have plenty of margin.

But the movenement of the freshwater/saltwater line is something we cannot control and it has severe impacts on fishing and the ecosystem now.

Agreed. Maybe my use of infrastructure is improprer. I meant it to encompass farmland. We had problems with the salt wedge underground when the Po river had not enough water this summer, the sea entered the river mouth for kilometers and farmers couldn't pump fresh water from underground because it got salty.

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