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ABC News
ABC News
National
national science, technology and environment reporter Michael Slezak

United Nations recommends Great Barrier Reef be added to World Heritage 'in danger' list

A UN delegation has again recommended the Great Barrier Reef be added to the World Heritage 'in danger' list, and urged "ambitious, rapid and sustained" action on climate change to protect the site.

The UNESCO report comes after an official visit to monitor the reef in March, and recommends the Commonwealth and Queensland governments both adopt stronger emissions reductions policies consistent with stopping warming at 1.5C.

It cites frequent mass bleachings and increased water acidity among the increased threats to corals, impacts which can be attributed to uncurbed emissions.

UNESCO has advised greater investment in water quality, recommendations which will see mounting pressure on the Albanese government.

Although Labor has strengthened Australia's climate policies and invested more in the Great Barrier Reef, its policies and actions are not in line with the recommendations made by the UNESCO report.

"This is one of the first big tests for the new Australian government to show the world that on climate and nature we are really switching from being laggards to leaders," said Richard Leck from WWF-Australia.

But Federal Environment Minister Tanya Plibersek defended her government’s climate change policies and said the report’s criticisms focused on the previous Morrison Government’s policies.

“This government, as UNESCO says themselves, is night and day compared with the previous government,” Ms Plibersek said. 

“Actions that this government took in six months, is more than the previous government took in nine years.”

She said the Albanese government has legislated a target of 43 per cent carbon pollution reduction by 2030, with “a clear path to net zero by 2050”.

“That is the most important thing that this government can do to show willingness to address the risks to the reef.”

In a statement, the Queensland environment minister, Megan Scanlon, also defended the action governments have been taking. 

"Since this report was written, things have changed. We finally have a government in Canberra working with Queensland and acting on climate change," she said.

Long-held concerns over the state of the reef

In June 2021, then-environment minister Sussan Ley said she was "blindsided" by a draft decision to inscribe the reef on the 'in danger' list, arguing normal process had not been followed.

The draft decision was backed up by the UN's expert scientific advisers, the International Union for the Conservation of Nature (IUCN), who refuted Ms Ley's claim.

"There have been at least six exchanges with the government of Australia, all of that is very clearly detailed in the draft decision," said Fanny Douvere from UNESCO's World Heritage Centre in June 2021.

"It's just simply irrevocably clear where the reef is heading and that's just the reality that is reflected in this draft decision."

But after Ms Ley embarked on a whirlwind global lobbying tour, UNESCO's World Heritage Committee — made up of representatives from 19 countries — over-ruled the IUCN's scientific advice.

Instead of an immediate listing, the committee decided to send a delegation — known as the Reactive Monitoring Mission — to inspect the reef in March 2022, ahead of making a decision.

Strong recommendations

The report noted that mass bleachings, once unheard of, are now regular on the Great Barrier Reef, because of greenhouse gas emissions.

The acidity of the water has increased 26 per cent, which has slowed the growth of corals and made them more susceptible to damage. That too was caused by carbon dioxide emissions.

Coral bleaching at John Brewer Reef, just off Townsville, in February 2022. (Supplied: WWF Australia/Grumpy Turtle Designs)

At the same time, water quality targets set by the Queensland and federal governments have not been met.

In addition to those threats to corals, destructive gill net fishing is still allowed in the Great Barrier Reef Marine Park, which kills dugongs, turtles, dolphins and protected shark species.

The report lists 10 "high priority" recommendations and 12 other recommendations.

Among its high priority recommendations is that the government update its climate change commitments to be consistent with stopping global warming at 1.5C above pre industrial temperatures.

The Labor government has increased its targets significantly since being elected this year, now committing to reduce emissions by 43 per cent below 2005 levels by 2030.

But that target is consistent with more than 2 degrees of warming, according to Climate Analytics, an international climate science and policy institute.

Scientists have said Australia needs to reduce emissions by about 74 per cent to be consistent with stopping warming at 1.5C.

The report also recommends:

  • Urgent action to stop sediment runoff by repairing gullies and stopping the clearing of native vegetation.
  • An end to destructive gill net fishing in the Great Barrier Reef Marine Park
  • A reduction in runoff from sugarcane and banana farming

Labor 'stepping up', Plibersek says

Since the mission's visit in March, Australia has seen a change in leadership, with the Labor government increasing investment in the Great Barrier Reef and strengthening its emissions targets.

In its report, UNESCO specifically notes the government's 2050 net zero emissions target remains "aspirational" and "is not yet legislated". But the Labor government has now legislated the target.

The report also criticises moves by Australia to build new dams in the Great Barrier Reef water catchment, which it notes is "clearly in contradiction to the Reef 2050 Plan".

However, Ms Plibersek said those projects have now been cancelled and the Albanese government is committing $1.2 billion to look after the reef.

“That allows us to do things like deal with invasive species like crown of thorns starfish,” Ms Plibersek said.

“It allows us to tackle water quality issues. It allows us to work more closely with traditional owners on reef management. It allows us to deal with overfishing.”

Nevertheless, some of the biggest issues raised by the report are yet to be fully addressed by the government, including climate targets aligned with the Paris Agreement, water quality targets and fishing controls.

However, Ms Plibersek has tried to assure Australians about the future of the reef and said she understood many might be very "concerned" about the prospect it could be listed as 'in danger'.

"If the Great Barrier Reef is in danger, then every coral reef in the world is in danger. If this World Heritage site is in danger, then most World Heritage sites around the world are in danger from climate change," she said.

"We are, as a government, absolutely determined to do our bit to keep global warming beneath one and a half degrees.

"We've legislated, we've invested."

Given the report was written before those changes occurred, and the government is relatively new, Richard Leck from WWF-Australia said the In Danger listing should be deferred until 2024.

That would "provide the Australian government the opportunity to work in partnership with the Queensland government to adopt and make progress on UNESCO's report," he said.

But he said the recommendations should be adopted in full by the governments.

"UNESCO and the International Union for Conservation of Nature (IUCN) are the global experts on protecting World Heritage areas. Their recommendations should be accepted by the Australian and Queensland governments," he said.

Dr Lissa Schindler from the Australian Marine Conservation Society agreed.

"It's no surprise that the reef is in trouble," she said.

Shadow Environment Minister Jonathon Duniam defended the Coalition's role in protecting the reef.

He said the former government delivered "record conservation funding" and achieved "unprecedented outcomes across the reef — including its highest level of coral cover in recorded history".

"We welcome the conclusion in today's report that our years in government were marked by 'unparalleled science and management' at the reef," Senator Duniam said.

He added that the reef faced the possibility of being put on the 'in danger' listing years ago in 2012, when Labor was in power.

"UNESCO talked of 'an absence of progress' during Labor's last period in government, and we are concerned that the same will now happen again if Ms Plibersek keeps focusing on playing politics rather than genuinely protecting the environment," Senator Duniam said.

Draft decision expected in 2023

Dr Schindler said the Labor government had taken steps towards greater climate action and water quality, but was far from implementing what's recommended in the report.

"Those recommendations are really what the governments need to address to avoid any kind of 'in danger' listing."

Ministers Plibersek and Green said: "It's important to note this is not a UNESCO proposal for listing the reef as 'in danger'. This is a technical report and the World Heritage Centre is yet to make a recommendation, which would be considered by the World Heritage Committee."

Normally, the UN would publish its report and draft decisions on recommendations for the 'in danger' list simultaneously, but the draft decision can only be made ahead of a World Heritage Committee meeting, said Mr Leck.

That process has been in a deadlock for months due to controversy around Russia's war in Ukraine. With Russia the chair of the committee until last week, dozens of countries boycotted a planned meeting in June.

As a result, the UN released its report without a draft decision. A draft decision based on the report is expected to be presented to a World Heritage Committee meeting in 2023.

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