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 ...

on the southern Great Barrier Reef, we have recorded a 40% decline in coral cover, which is one of the measures we use to indicate reef health of the Capricorn-Bunker group.” The institute’s ...

New safety measures are designed to protect visitors to the Great Barrier Reef ... the deaths of 10 people - including at least four foreign tourists - on the reef in 2016. Under the Queensland ...

Not far beneath the surface of the Coral Sea, where the Great Barrier Reef lives ... who paints a particularly bleak picture of the Barrier Reef's future. "The difference is there were long ...