The Great Barrier Reef is DYING. It will be gone in 20 years.

Reef 'gone in 20 years'

From: By Ian Gerard
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MARINE scientists say global warming could transform the Great Barrier Reef into a bleached maze of dead coral within 20 years.

The warning comes amid bleaching over the summer near the Keppel Islands, which threatens to spread to large sections of the World Heritage-listed reef.
Australian Institute of Marine Science coral bleaching expert Ray Berkelmans said the damage - which occurs when warm temperatures rob the coral of nutrition - may mark the start of the reef's demise.

"Background temperatures have reached the level where every summer we are getting to dangerous conditions," he said. "It will be a gradual decline - patch by patch and species group by species group from one area one after the other."

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