Mar 8 2012: I live in Costa Rica and based on the maps provided here: http://www.wri.org/publication/reefs-at-risk-revisited/global-reefs-map the coral reefs in the Gandoca-Manzanillo National Park are highly threatened. Something like this would definitely help.
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A comment on Conversation: Reviving corals -- how can your community maintain the living sea sculptures?