Clean water and good nutrition come from cheap energy. The Saudis can go a hell of a lot cheaper for oil. Unless you're willing to kill people we are going to

Clean water and good nutrition come from cheap energy. The Saudis can go a hell of a lot cheaper for oil. Unless you're willing to kill people we are going to have a mess to clean up in the future. Which is ok, because in the future tech will be way more advanced.