These corals could survive climate change — and help save the world’s reefs

Ocean warming threatens to wipe out corals, but scientists are trying to protect naturally resilient reefs and are nursing some others back to health...When these scientists hear that 70–90% of reefs could be gone by mid-century, they focus on the 30% that might live. And they’re taking action to save those reefs for the future. Around the world, hundreds of millions of people depend on reefs for food, tourism income and protection from ocean storms.

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