A large part of that will be correlation. Thailand has bad pollution from agriculture burning and some reallyy nasty car pollution. It looks like their life exp

A large part of that will be correlation. Thailand has bad pollution from agriculture burning and some reallyy nasty car pollution. It looks like their life expectancy is very close to the US while other countries like the Phillipines with less pollution have significantly worse life expectancy. So you can't just chalk it up to one factor and think these countries would be better off if you suddenly took away all their gas powered vehicles - they wouldn't.