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Australia declares 'mass bleaching' at Great Barrier Reef
The area, which comprises about 2,500 individual reefs and more than 900 islands, suffers from bleaching when corals expel algae living in their tissues
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By: NewVision Reporter, Journalists @NewVision
Australia's spectacular Great Barrier Reef is suffering "mass bleaching" as corals lose their colour under the stress of warmer seas, authorities said Friday, in a blow widely blamed on climate