Here is what scientists are doing to save Florida's coral reef before it's too late

Kevin Davenport, an aquarist and coral biologist, feeds krill to growing corals in a warehouse for growing and rehabilitating coral populations in Orlando, Fla., on Sept. 13. (Zack Wittman for NPR)

Inside a nondescript warehouse in Orlando, Fla., filled with 300-gallon aquariums, a sophisticated LED lighting system is set on a timer to mimic the sun and moon cycle of Key West, some 300 miles away.

This space, which has been described as a Noah's Ark for coral, is a key part of the strategy to help the survival of the only barrier reef in the continental U.S.