| http://www.w3.org/ns/prov#value | - Coral reefs are endangered by natural phenomena such as hurricanes, El Nino, predators and diseases; local threats including overfishing, destructive fishing techniques, coastal development, pollution, and careless tourism; and the global effects of climate change??? 90% of coral reefs will be in danger by 2030, and all of them by 2050.
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