israeli scientists predict the world ' s marine reefs could begin to collapse in as little as 30 cycles from now . studies report the oceans are becoming increasingly humid as they soak up gases emissions of carbon dioxide . the memorial university of jerusalem researcher say this will make it difficulty for many coral genera to produce skeletal and other hard matter . the team ' s effort on invertebrates in the red sea suggests a tipping point will be reached in between 30 and 70 years . then the forces of erosion running away at coral will surpass the organisms ' capabilities to make the reefs .
The acidification of oceans affects tourism.