Feature Oceans

Reef rehab could help threatened corals make a comeback

Solutions for threatened reefs vary by location and damage done

Coral reef

REEF REHAB  A coral fluoresces purple (left), perhaps as a sunscreen defense for colorless polyps, in a photo taken September 12 of a bleached reef near Okinawa, Japan.

© XL Catlin Seaview Survey/Underwater Earth

By Amy McDermott

- More than 2 years ago

Coral reefs are bustling cities beneath tropical, sunlit waves. Thousands of colorful creatures click, dash and dart, as loud and fast-paced as citizens of any metropolis.