GDP is corrolated with distance from the equator where it's warmest. https://www.forbes.com/sites/quora/2012/03/20/why-is-there-such-a-strong-correlation-betwee

GDP is corrolated with distance from the equator where it's warmest. https://www.forbes.com/sites/quora/2012/03/20/why-is-there-such-a-strong-correlation-between-geographic-distance-from-the-equator-and-prosperity/#14688176ab6d https://www.forbes.com/sites/quora/2012/03/20/why-is-there-s...