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 ...

Not far beneath the surface of the Coral Sea, where the Great Barrier Reef lives, parrotfish teeth ... mostly acro-pora species, vie for space and energy-giving sunlight off Cairns.

The Great Barrier Reef gets its name in part because of its size. It covers an area larger than New Zealand — so big it can be seen from space. The other half of its name comes from what it ...

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 ...