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What is the biggest threat to the great barrier reef?

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The Great Barrier Reef is a global icon under pressure. Notwithstanding positive actions since 2009, the greatest risks to the Great Barrier Reef remain unchanged. Great Barrier Reef Outlook Report 2014, Great Barrier Reef Marine Park Authority. read more

Home The Reef The Threats Human influences resulted in a 50% decline in coral cover* between 1985 - 2012. The Great Barrier Reef is a global icon under pressure. read more

Iain McCalman: A recent report found that the Great Barrier Reef had lost 50% of its living coral. This was mainly from cyclones and the damages of Crown of Thorns starfish. Then there are the new threats of coral bleaching and acidification. read more

In spite of what anti-aquarium activists will tell you, climate change is the biggest threat to the Great Barrier Reef. read more

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