Well have the latest on that in os sport. Scientists in australia say two thirds of the coral on the Great Barrier reef have been damaged in the past two years. The damage is called bleaching it happens when corals under stress drive out the algae that give them colour. And bleaching is caused by rising Ocean Temperatures which in turn are linked to global warming. The reef is off the queensland coast in australias north east. Theres been two consecutive years of bleaching and thats particularly bad. This is one of the studys researchers. That means that even when mass bleaching events happen 12 months apart theres no prospect of recovery for reefs damaged in 2016. The bbcs science editor david shukmans latest report looks at the issue. A world of brilliant colour, teeming with life. This is the Great Barrier reef at its best the largest single biological structure on earth, but vulnerable to the slightest change. This is how part of reefs look, a ghostly white. The corals more like a
Well have the latest on that in os sport. Scientists in australia say two thirds of the coral on the Great Barrier reef have been damaged in the past two years. The damage is called bleaching it happens when corals under stress drive out the algae that give them colour. And bleaching is caused by rising Ocean Temperatures which in turn are linked to global warming. The reef is off the queensland coast in australias north east. Theres been two consecutive years of bleaching and thats particularly bad. This is one of the studys researchers. That means that even when mass bleaching events happen 12 months apart theres no prospect of recovery for reefs damaged in 2016. The bbcs science editor david shukmans latest report looks at the issue. A world of brilliant colour, teeming with life. This is the Great Barrier reef at its best the largest single biological structure on earth, but vulnerable to the slightest change. This is how part of reefs look, a ghostly white. The corals more like a