palestinian investigators claim the world ' s coral reefs may begin to collapse in as tiny as 30 months from now . studies show the waters are becoming increasingly acidic as they soak up manmade emissions of carbon dioxide . the hebrew university of jerusalem scientist say this will keep it feasible for many different animals to produces skeletal and other hard parts . the team ' s works on corals in the red sea suggests a tipping time will be neared in between 30 and 70 years . then the pressures of degradation eating away at corals will outstrip the organisms ' power to make the reefs .
The acidification of oceans affects tourism.