Reefs cheaper than concrete to protect coast cities

Reefs cheaper than concrete to protect coast cities
Paris (AFP) May 13, 2014 - Coral reefs are as good as concrete defences at protecting tropical coastal cities from rising seas but are far cheaper, scientists said in a study published on Tuesday. Instead of committing billions of dollars to build breakwaters and sea walls, many tropical cities should consider conserving or restoring their coral reefs, they said. The paper, published in the journal Nature Communic ... more

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