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Australia’s Great Barrier Reef suffers ‘extensive’ coral bleaching, as scientists fear seventh mass bleaching event
By Helen Regan, CNN (CNN) — The southern Great Barrier Reef is suffering from extensive coral bleaching due to heat stress, the reef’s managers said Wednesday, raising fears that a seventh mass bleaching event could be unfolding across the vast, ecologically important site. Aerial surveys conducted last weekend by the Great Barrier Reef Marine Park
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