> I don’t see how the populated areas already hitting comparable temperatures will be habitable at all in ten years. California desert dwellers simply spend ti

> I don’t see how the populated areas already hitting comparable temperatures will be habitable at all in ten years. California desert dwellers simply spend time indoors when it's too hot outside. They use energy-efficient swamp coolers currently in otherwise conventional above-grade homes. If those cease working because the desert air becomes persistently humid even when scorching hot (this strikes me as unlikely) I expect deep basements and underground earthdomes will become more common.