breeze block helping to regenerate reefs

Caribbean coral reefs have suffered the effects of hurricanes, overfishing, El Niño events, pollution, invasive species, sea urchin die-off and mass tourism – some loosing over 90% of their coral cover. But in Grenada one project is using towers of concrete to create new “reefs” for marine life to colonize.

Two new reef pinnacles waiting to be launched into the water. Photo: R. Aspinall/Triggerfish Photography

Two new reef pinnacles waiting to be launched into the water. Photo: R. Aspinall/Triggerfish Photography

An older section of the artificial reef showing signs of colonisation. Photo: R. Aspinall/Triggerfish Photography

An older section of the artificial reef showing signs of colonisation. Photo: R. Aspinall/Triggerfish Photography

more at theguardian.com

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