Rivers flowing into the Great Barrier Reef are getting more polluted, raising serious concerns - 'Staggering' environmental impact on Great Barrier Reef caused by cruise ships, say conservationists - Deep parts of Great Barrier Reef 'insulated' from global warming, for now - The Great Barrier Reef's latest bout of bleaching is the fifth in eight summers--the corals now have almost no reprieve - 'Mass bleaching event' threatens Great Barrier Reef's biodiversity - Concern for the Great Barrier Reef can inspire climate action, but the way we talk about it matters