>But the population of the hottest parts could easily move to cooler parts of the world, most of which are sparsely populated. I would not describe relocating

>But the population of the hottest parts could easily move to cooler parts of the world, most of which are sparsely populated. I would not describe relocating billions of people hundreds to thousands of miles north, often across country borders, as easy. This article contains some stories of a few climate refugees of today: https://www.nytimes.com/interactive/2020/07/23/magazine/climate-migration.html https://www.nytimes.com/interactive/2020/07/23/magazine/clim...