National Geographic News, Reporting Your World Daily

Monday, November 23, 2009

Photo: Madagascar Reefs May Hold Keys to Rebirth, Despite Bleaching


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Divers examine bleached coral reefs off the African island of Madagascar during a recent survey. Bleaching occurs when warming seas kill the algae that live inside corals and give them food and color.

The survey found that up to 99 percent of some of the reefs had been bleached.

Photograph courtesy Blue Ventures