He can send government workers to Alaska in the winter and then transfer them to Southern Arizona in the summer.
Yes,
There is a big chunk of useless desert between Phoenix and Yuma.
Good place for summer government headquarters.
No air conditioning! We need to save the Earth!
Hurry up before they waste it on solar.
For those who do not know, the heat in AZ is more determined by elevation than latitude. Southmost AZ is actually cooler, because it is higher. The hottest places are around lower Colorado and Gila rivers. Yuma and environment.