Great Barrier Reef’s record coral cover is good news but climate threat remains

The world heritage site still has some capacity for recovery but the window is closing fast as the climate continues to warm

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The Great Barrier Reef is one of the planet's natural jewels, stretching for more than 2,300km along Australia's north-east.

But as well as being a bucket-list favourite and a heaving mass of biodiversity across 3,000 individual reefs, the world heritage-listed organism is at the coalface of the climate crisis.

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