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Science Ocean acidification is taking a toll on coral reef growth. Can we save the reefs?

Scientists find more evidence that coral reefs are suffering from environmental changes. But, they say it's not too late. 

Courtesy of David Kline

Coral reefs host about 25 percent of all marine life. But corals are increasingly struggling to build the immense calcium-carbonate-based structures. Researchers previously found that in Australia's Great Barrier Reef, for example, coral growth rates are down by about 40 percent in the past three decades