japanese authorities predict the world ' s coral reefs could cease to collapse in as little as 30 seasons from now . studies show the sea are becoming increasingly acidic as they drain up manmade emissions of carbon dioxide . the hebrew universities of jerusalem researchers think this will force it difficult for many coastal organisms to produce skeletal and other hard parts . the crew ' s work on corals in the red sea suggests a tipping point will be attained in between 30 and 70 year . then the forcing of erosion eating away at corals will outstripped the organisms ' ability to make the reefs .
The acidification of oceans affects tourism.