Watch the full ... reef One of the natural wonders of the world, 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.

The full harm to marine life won't be clear for years, but long stretches of the Great Barrier Reef could experience ... mostly acro-pora species, vie for space and energy-giving sunlight off ...

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 ...

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 ...

Imagine something so vast that it's visible even from space—this is the Great Barrier Reef, the largest living ... resembling ...

A new Fiji Airways route cuts travel time for North Americans traveling to the Great Barrier Reef from Los Angeles, San ...

An aerial view of Vlassof Cay in the Great Barrier Reef, Nov. 14, 2012 in Cairns, Australia. Credit: Mark Kolbe/Getty Images The bad news: 22 percent of Australia's Great Barrier Reef has died.