To save the Great Barrier Reef 'we need to start now, right now' – video

Jon Brodie from James Cook University says to give the Great Barrier Reef even a fighting chance to survive, Australia needs to spend $1bn a year for the next 10 years to improve water quality. If we don’t do that now, he says, we might need to just give up on the reef. ‘Climate change is happening much more quickly and much more severely than most scientists predicted’

• The Great Barrier Reef: a catastrophe laid bare – special report