The upsetting figures of coral bleaching on the Great Barrier Reef haven’t spurred people in Australia into useful action.

It is well known that 93% of the area’s reefs have got bleached, nearly half of Lizard Island's fish are already lifeless and the preeminent experts worldwide have predicted existence of people who would search the world and won’t come across a single piece of living coral.

Justin Marshall, Coral Watch chief investigator, said that the statistics don't work, probably pledging will.

While speaking to The Huffington Post Australia, the University of Queensland professor said that he has spent two decades monitoring a falling ecosystem and is now sick of it. He is disappointed that in case China and India can invest billions in renewable energy, why can't Australia.

He added, “We are preparing an environmental apocalypse for our children and it's not until it's almost too late that people start to care. Forget the numbers, the problem is big, let's do something about it”.

Recently, Marshall came back from a research trip to Lizard Island, a tiny national park island in a once-pristine area of the Great Barrier Reef. He has been consecutively visiting the site since March 2015, and noted that the ecosystem collapsed due to the death of an estimated 90% of branching corals.

He added that the latest balance of that ecosystem hasn't settled until now and as per his estimation he had come across just below half of the total fish population. He mentioned that billions of fish have been lost.

Marshall said he didn’t see any fish flourishing. He was looking forward to come across more parrot fish as they feel comfortable and happy with algae that grow on dead coral but was shocked to see the very less number of fish that one generally expects to see near a degraded reef.

According to a report in Huffington Post by Cayla Dengate, "We know 93 percent of the region's reefs have been bleached, that about 50 percent of Lizard Island's fish are already dead and the world's preeminent experts predict there are people alive today who will search the world and never find a piece of living coral."

Marshall returned this month from a research trip to Lizard Island -- a small national park island in a once-pristine part of the Great Barrier Reef. In consecutive visits since March last year, Marshall's seen the ecosystem collapse as an estimated 90 percent of branching corals died.

"I don't think any were thriving, I was expecting see more parrot fish because they'd be happy with the algae [that grows on dead coral] but I was surprised how few there were even of the fish you'd expect to see around a degraded reef.

A report published in Eco Business revealed, "Climate change has claimed another victim. Almost one-quarter of the coral in Australia’s Great Barrier Reef World Heritage Area – one of the world’s richest and most complex ecosystems – has died this year, in the worst mass coral bleaching in recorded history."

The future of priceless World Heritage sites – and, indeed, our planet – depends on the immediate reduction of climate-change-inducing greenhouse-gas emissions. Yet many of the governments responsible for protecting these sites within their borders are not only failing to take strong climate action; they are actively pursuing dirty energy projects like coal mines and coal-fired power plants.

The power plants will pollute the waters with toxic coal ash, bring constant coal-barge traffic, and require the dredging of riverbeds. Mercury from the smokestacks will accumulate in the marine life, permanently contaminating the food supply of hundreds of thousands of people and vulnerable wildlife.