The Radical Tools That Could Save Coral Reefs,

Coral reefs, considered the canaries of the world’s oceans, are being cooked. As many as 50 percent of reefs worldwide have been lost over the last few decades, with major die-offs in recent years due to mass bleaching events brought on by warmer ocean temperatures.

As the planet heads toward potentially catastrophic climate change, scientists have come to a sobering realization: Coral reefs, sensitive ecosystems that provide habitat for more than 25 percent of marine species and are vital to coastal communities around the globe, may not persist without radical human intervention.

On Wednesday a committee of the National Academies of Sciences, Engineering and Medicine released a 200-page interim report that identifies more than two dozen intervention strategies, many of them experimental, that could make corals more resilient to the effects of climate change.

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