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Podcast: What's New
Episode: A Discarded Plan to Build Underwater Cities Will Give Coral Reefs New Life
Description: A 1970s plan to grow underwater limestone objects has been repurposed as a way of regenerating the seabed, reestablishing corals, and stopping coastal erosion. Thanks for listening to WIRED. Talk to you next time for more stories from WIRED.com and read this story here.
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