24 Sites That Will Disappear In Our Lifetime Photo credit: CC license by Sarah_Ackerman 5. The Great Barrier Reef This one of a kind oceanic site is highly popular among the diving communities around the world. Yet water pollution, fishing and a rising water temperature are eroding the coral reef. At the unprecedented rate in which the reef is decaying, by 2050 the reef may very well vanish along with the accompanying marine life. Prev5 of 26Next From Around The Web Facebook Comments comments