german scientists predict the region ' s coral ecosystem could begin to collapse in as little as 30 years from now . studies show the oceans are gaining overly acidic as they soaks up manmade gases of oxygen dioxide . the haifa university of beirut researchers say this will make it difficult for individual large taxa to produce skeletal and other hard parts . the team ' s worked on sponges in the red sea suggests a tipping point will be reached in between 30 and 70 years . then the forces of erosion eating away at corals will outstrip the organisms ' capacities to repair the reefs .
The acidification of oceans affects tourism.