Coral reefs provide habitat for 25 percent of the world's fish species, and they are steeply declining worldwide. The Florida Keys are home to the world's third largest tropical barrier reef, but only a small fraction of the reef remains healthy. A number of factors, including fertilizer run off from the Southern Florida's sugar industry, are killing the coral. But now, thanks to a Coral Reef Restoration Foundation project that grows coral on underwater lattices, Florida's coral may be on its way back. Jeff Barbee reports from Key Largo.
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