Once colourful corals surrounding a Great Barrier Reef island have turned a ghastly shade of brown, with new images showing how algae has impacted the natural wonder.

The UK's largest tropical reef has been devastated in the global bleaching event now under way.

The longest global coral bleaching event in history is now devastating reefs in the crystal clear waters of the Maldives, with images released exclusively to the Guardian powerfully illustrating th

Mass coral bleaching has destroyed at least 35 percent of the northern and central Great Barrier Reef, Australian scientists said on Monday, a major blow to the World Heritage Site that attracts ab

Mass coral bleaching has destroyed at least 35 percent of the northern and central Great Barrier Reef, Australian scientists said on Monday, a major blow to the World Heritage Site that attracts ab

Thailand has shut down 10 popular diving sites in a bid to slow a coral bleaching crisis, an official said Thursday, in a rare move to shun tourism profits to protect the environment.

At the second United Nations Environment Assembly (UNEA-2) taking place in Nairobi this week, the UN Environment Programme (UNEP) was among a group of agencies launching a new tool and report that

Deep below the waves, coral species are less likely to be affected by bleaching.

A cap on pollution from farms close to the Great Barrier Reef has been proposed by advisers to the Queensland government.