Researchers found the sea floor eroding in five large coral reef tracts, and the reefs cannot keep pace with sea level rise. As a result, coastal communities protected by the reefs are facing increased risks from storms, waves and erosion.

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Researchers found the sea floor eroding in five large coral reef tracts, and the reefs cannot keep pace with sea level rise. As a result, coastal communities protected by the reefs are facing increased risks from storms, waves and erosion.