In 2013, divers started placing simple cinder-block pyramids on a Caribbean seabed; by 2025, 100 pyramids had been installed, with the Grenada project reporting over 30 fish species and 15 kinds of coral

Global Science Wed, 04 Nov 2026 16:55:33 GMT Moderate confidence — 73/100

(Image credit: Canva)A question that has recently been central to much scientific research across wildlife conservations is: can artificial reef structures eventually help support natural reef recovery?
With the rising decline of healthy coral reef structures, entire marine ecosystems are put at risk.
Therefore, off the coast of Grenada, a Caribbean island, a conservation project has been searching for an answer to the problem using concrete construction blocks.

(Image credit: Canva)A question that has recently been central to much scientific research across wildlife conservations is: can artificial reef structures eventually help support natural reef recovery?
With the rising decline of healthy coral reef structures, entire marine ecosystems are put at risk.
Therefore, off the coast of Grenada, a Caribbean island, a conservation project has been searching for an answer to the problem using concrete construction blocks.

Sources: Times of India