The Ozone layer will continue to deteriorate.
Solar/Cosmic radiation within the milky way galaxy will continue to penetrate the earths atmosphere;
all future humans will be Sly Bald Guys/Girls
LOL! I remember back in the 90's when there was a bunch of talk about how everyone would be bald in the future as the "necessity" for hair would become obsolete.
Come to think of it...maybe I'm perpetuating the movement...lol