Imagine something so vast that it's visible even from space—this is the Great Barrier Reef, the largest living structure on Earth. Stretching over an incredible 2,300 kilometers, the reef's ...

And can it be reversed? Narrator: The Great Barrier Reef is big. So big, in fact, that you can see it from space. David Wachenfeld: It's important for people to remember that the Great Barrier ...

the Great Barrier Reef is 2,300km long -- roughly the length of Italy -- and is the only living organism that can be seen from space. When Veron, a former Chief Scientist at the Australian ...

To say that the Great Barrier Reef is the world's largest coral reef may be understating things; the Australian government notes that it is "the only living organic collective visible from Earth's ...

If someone's ever told you that you can see the Great Wall of China from space then, sorry ... The 2253 kilometre long reef off the north-east coast of Australia is one of the seven natural ...

Two iconic Australian reefs face simultaneous coral bleaching, highlighting urgent threats to ocean ecosystems ...

The Great Barrier Reef stretches more than 2,300 kilometers along Australia’s northeast coastline, from north of Bundaberg, Queensland, to the far corner of the continent, just south of Papua New ...

Now Ningaloo Reef is bleaching in earnest. The Great Barrier Reef is bleaching too in the waters from Cape York down to Townsville. This appears to be the first time these two World Heritage ...

Bleaching of the coral in the Great Barrier Reef, north-east Australia which is caused by global warming The Great Barrier Reef became a recognised area of ecological importance when it was ...