Parts of Great Barrier Reef suffer highest coral mortality on record - Parts of Great Barrier Reef dying at record rate, alarmed researchers say - 'Graveyard of corals' found after extreme heat and cyclones hit northern Great Barrier Reef - Parts of Great Barrier Reef record highest coral deaths due to heat, storms - Parts of Great Barrier Reef suffer highest coral mortality on record - Parts of Great Barrier Reef suffer highest coral mortality on record - Improved water quality monitoring for waterways flowing into Great Barrier Reef - Study shows wind patterns key in causing coral bleaching on Great Barrier Reef - Buying time: Can science save the Great Barrier Reef? - Coral reef snapper feeling impacts of marine heat waves on Great Barrier Reef