Unfortunately, this seems to be the new norm. Even in Canada, we are breaking records for heat. Temperatures have reached 49 C / 120 F Despite that, I believe Canada will be a major recipient of these climate refugees when places just get too hot to live in. That'll also be an option reserved for the privileged.
The problem is that you can't easily move hundreds of millions of people. When the weather becomes lethal, these people are going to die. The only realistic solution is building infrastructure to let people live through the worst of the weather. If it is as bad as it is described in the article, I worry about long term prospects of stable economy and progress, what with people occupied mostly with trying to survive a…
In 2020 it was estimated that 55 million people were displaced due to climate and weather events, more than 3 times the number displaced by conflict and violence. So the mass migration is already well under way.