Saving Caribbean corals with concrete

The Grand Anse Artificial Reef Project (GAARP) is a grassroots project based in Grenada, a small island in the south Caribbean. Six years ago, the small team launched their first concrete pyramid – a stack of breeze blocks – into the Caribbean Sea off Grand Anse beach. GAARP’s project lead explains: “around the world, reefs which have taken hundreds, if not thousands, of years to reach maturity are dying. I want to think of a way to boost start them.”

Now numbering 30, the concrete reef supports marine wildlife which relies on an increasingly threatened natural environment. This unconventional but successful method could provide coastal managers with a way to alleviate some of the problems facing coral reefs and coastal communities. 

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