An undated handout photo of a turtle swimming over bleached coral near Heron Island, in the southern Great Barrier Reef. Scientists believe that heat stress from multiple weather events including the latest, severe El Nino, compounded by climate change, has threatened more than a third of Earth’s coral reefs, and many might not recover.
An undated handout photo of a turtle swimming over bleached coral near Heron Island, in the southern Great Barrier Reef. Scientists believe that heat stress from multiple weather events including the latest, severe El Nino, compounded by climate change, has threatened more than a third of Earth’s coral reefs, and many might not recover. XL CATLIN SEAVIEW SURVEY New York Times News Service
An undated handout photo of a turtle swimming over bleached coral near Heron Island, in the southern Great Barrier Reef. Scientists believe that heat stress from multiple weather events including the latest, severe El Nino, compounded by climate change, has threatened more than a third of Earth’s coral reefs, and many might not recover. XL CATLIN SEAVIEW SURVEY New York Times News Service

Bleaching might have killed half of coral on northern Great Barrier Reef

May 29, 2016 10:35 PM

UPDATED May 29, 2016 10:39 PM

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