Arizona is a warm, but dry place. Temperature of 38C can be both mildly inconvenient and deadly, depending on the humidity. There are densely populated areas of

Arizona is a warm, but dry place. Temperature of 38C can be both mildly inconvenient and deadly, depending on the humidity. There are densely populated areas of the world that are much more humid than Arizona and are getting warmer. Eventually people will ditch those places and start to move towards milder climates.