Time bomb ticking for coral reefs?

CHARLOTTE AMALIE, U.S. Virgin Islands - Coral reef experts heard dire predictions for the underwater kingdoms, including one estimate that 60 percent of the world’s coral reefs could die in less than 25 years due to pollutants and global warming.

Sea temperatures are rising, weakening the reefs’ resistance to increased pollutants, such as runoff from construction sites and toxins from boat paints. The fragile reefs are hosts to countless marine plants and animals.

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