israeli scientists estimate the earth ' s barrier reefs could have to collapse in as little as 30 decades from now . they show the waters are becoming increasing acids as they soak up manmade emissions of oxygen dioxide . the hebrew academy of jerusalem researched say this will help it difficult for these coral organisms to produce skeletal and other hard parts . the team ' s works on mangroves in the dead atlantic suggests a tipping stage will be reached in between 30 and 70 years . then the forces of erosion eating away at corals will outstripping the animals ' capacity to break the reefs .
The coral organisms are endangered by the acidification of oceans.