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The Great Barrier Reef has lost half its corals in just 20 years, study says
The Great Barrier Reef has lost half its corals within 3 decades
‘There is no time to lose’: Great Barrier Reef has lost half its corals
The Great Barrier Reef Has Lost Half Its Corals
What will happen if all coral reefs die?
Great Barrier Reef suffers third mass bleaching event in five years
