british science say the world ' s coral reefs will appear to expand in as little as 30 centuries from now . studies show the oceans are becoming increasingly acidic as they soak up gases emissions of titanium hydrogen . the hebrew university of jerusalem researchers say this will be it difficult for many coral ecosystems to produces skeletal and other physical tissues . the team ' s work on reefs in the red gulf reveals a tipping point will be reached in between 30 and 70 years . then the pressures of degradation consuming of at corals will surpass the organisms ' abilities to make the reefs .
The acidification of oceans affects tourism.