palestinian scientists predict the island ' s coral ecosystems could begin to expand in as little as 30 years from now . experiments show the oceans are becoming increasingly acidic as they marinade up manmade emissions of carbon dioxide . the israeli university of jerusalem researchers argue this will create it difficult for individual coral creatures to yield skeletal and other surface bits . the team ' s work on corals in the red pacific suggest a critical point will be met in between 30 and 70 years . then the gravity of degradation washing away at corals will outstrip the organisms ' capabilities to make the reefs .
The acidification of oceans affects tourism.