The Presidential Daily Brief

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    Great Barrier Reef Sees Massive Coral Die-Off

    There goes a natural wonder. A recent survey found two-thirds of coral in a 435-mile stretch at the northern tip of Australia’s Great Barrier Reef has died in the past nine months, the largest die-off ever recorded. Scientists say carbon emissions have caused record-high ocean temperatures to bleach the coral, calcifying the reef, and they estimate it could take 15 years to recover. Meanwhile, Australia’s politicians battle over the existence of climate change — and the tourism drought a dead reef could bring to the region.

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