A Discarded Plan to Build Underwater Cities Will Give Coral Reefs New Life

A 1970s plan to grow underwater limestone objects has been repurposed as a way of regenerating the seabed, reestablishing corals, and stopping coastal erosion.

A Discarded Plan to Build Underwater Cities Will Give Coral Reefs New Life
A 1970s plan to grow underwater limestone objects has been repurposed as a way of regenerating the seabed, reestablishing corals, and stopping coastal erosion.
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