Great Barrier Reef
AustraliaRegion
Environmental overview
The world's largest coral reef system, a UNESCO World Heritage Area repeatedly affected by marine heatwaves and mass coral bleaching.
- Issues
- 2
- Categories
- 2
- Sources
- 4
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Major issues
What is changing in Great Barrier Reef.
OceansNature
Severity is descriptive editorial metadata summarising documented effects. It is not a measured index or a score.
- 01OceansSeverity: CriticalMarine heatwaves and coral bleaching on the Great Barrier ReefRepeated mass bleaching events driven by ocean warming are the greatest threat to the reef.3 causes · 4 impacts · 4 solutions · 3 sources
- 02NatureSeverity: HighWater quality and crown-of-thorns starfish on the Great Barrier ReefRunoff from farmland and outbreaks of coral-eating starfish add to the pressure from warming.3 causes · 3 impacts · 3 solutions · 2 sources