Australia's Great Barrier Reef is an enormous and spectacular natural wonder, but it is also one of the most devastating examples of ecosystems that are increasingly threatened by a warming world. Explore its diverse communities of marine wildlife, and discover the challenges facing corals — which are especially sensitive to temperature change — and the animals that depend on them.
Latest about the great barrier reef
Coral Reefs Have 'Halos,' and They Can Be Seen from the Heavens
What's the story behind reefs' mysterious "halos" of empty sand?
Climate Change Turned 99.8% of These Sea Turtle Babies into Girls
A new study found that sea turtles born in areas most heated by climate change are 99.8 percent female.
Can You Put a Price on the Great Barrier Reef? Economists Just Did
The Great Barrier Reef brings real dollars to Australia.
Great Barrier Reef Again Hit by Severe Coral Bleaching
Two-thirds of the length of the Great Barrier Reef is suffering from bleaching, a condition likely to cause mass coral die-offs.
Global Warming Is Killing the Great Barrier Reef
The Great Barrier Reef has suffered "off the chart" damage.
Huge Undersea Landslide Slammed Great Barrier Reef 300,000 Years Ago
More than 300,000 years ago, a behemoth undersea landslide sent huge amounts of debris sliding down the Great Barrier Reef, generating a 90-foot-high (27 meters) tsunami.
