So, the migration of large numbers of people from a low-energy-per-capita economy to a high-energy-per-capita economy will save lives, but also have the uninten

So, the migration of large numbers of people from a low-energy-per-capita economy to a high-energy-per-capita economy will save lives, but also have the unintended side effect of increasing global temperatures? If we refuse to reduce our energy expenditures in the US because [stubborn reasons] ... would it be easier to solve global warming by just having everyone in the US migrate to existing more efficient, low-energy-per-capita economies?