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biodiversity
'Graveyard of Corals': Bleaching Led to Great Barrier Reef's Worst Die-Off on Record
"We will ultimately get to a tipping point where coral cover can't bounce back," warned one researcher. "We have to mitigate the root causes of the problem and reduce emissions and stabilize temperatures."
Aug 06, 2025
After last year's climate-fueled bleaching in Australia's famed Great Barrier Reef, large swaths of the GBR suffered the worst coral die-off since records began, a government report revealed Wednesday, prompting renewed calls for reducing greenhouse gas emissions as well as reef conservation and restoration.
The GBR "experienced unprecedented levels of heat stress, which caused the most spatially extensive and severe bleaching recorded to date," the Australian Institute of Marine Science's (AIMS) annual report states.
AIMS studied the health of 124 coral reefs between August 2024 and May 2025 and found that northern and southern branches of the approximately 1,400-mile (2,300 km) GBR suffered the "largest annual decline in coral cover" ever recorded since monitoring began nearly 40 years ago.
Data collected last year from aerial surveys showed that 75% of the GBR had been bleached amid record heat driven by the worsening climate emergency. The U.S. National Oceanic and Atmospheric Administration warned in March 2024 that the bleaching would likely be the worst the world had ever seen.
The new report confirmed that "the 2024 event had the largest spatial footprint ever recorded on the GBR, with high to extreme bleaching prevalence observed across all three regions" of the GBR.
According to AIMS:
In 2025, hard coral cover declined substantially across the GBR, although considerable coral cover remains in all three regions. Regional declines ranged between 14% and 30% compared to 2024 levels, with some individual reefs experiencing coral declines of up to 70.8%. These declines are primarily attributed to coral mortality from the 2024 mass coral bleaching event, compounded by the cumulative impacts of two cyclones in December 2023 and January 2024, freshwater inundation, and some crown-of-thorns starfish activity.
In 2025, 48% of surveyed reefs underwent a decline in percentage coral cover, 42% showed no net change, and only 10% had an increase. Reefs with stable or increasing coral cover were predominantly located in the central GBR.
Scientists described the resulting seascape as a "graveyard of corals."
AIMS research lead Mike Emslie told Agence France-Presse that the "number one cause" of GBR coral decline "is climate change."
"There is no doubt about that," Emslie added.
The problem is by no means limited to the GBR. A mass global bleaching event has devastated more than 80% of the world's coral reefs over the past two years, affecting 82 countries and territories.
Prior to the current die-off, the last major GBR bleaching event occurred in 2014-17, when scientists said nearly one-third of its coral died and approximately 15% of all reefs worldwide experienced major coral deaths.
"These impacts we are seeing are serious and substantial and the bleaching events are coming closer and closer together," Emslie said in a separate interview with The Guardian.
"We will ultimately get to a tipping point where coral cover can't bounce back because disturbances come so quickly that there's no time left for recovery," he warned. "We have to mitigate the root causes of the problem and reduce emissions and stabilize temperatures."
AIMS called for greater global efforts to reduce the greenhouse gas emissions fueling planetary heating, "continued good local management," and more interventions "to help corals adapt and recover."
Larissa Waters, leader of the Australian Greens and a federal senator representing Queensland, on Monday urged the governing Labor Party to "follow the science, set 2035 targets at net-zero, stop new coal and gas, or risk losing our reef, its immense biodiversity, and the 60,000 jobs it sustains."
Governments Fail to 'Rise to the Moment' as Seabed Meeting Ends Without Mining Pause
"There is still a chance to stop this industry before it begins, but only if governments stand up for science, equity, and precaution now," one campaigner said.
Jul 26, 2025
Despite growing momentum, world governments failed to agree to a moratorium on deep-sea mining as the 30th session of the International Seabed Authority wrapped up on Friday.
The authority's July meeting was the first since U.S. President Donald Trump signed an executive order to expedite permits for deep-sea mining under U.S. authority and The Metals Company (TMC) promptly applied for U.S. permits. Governments rebuked the U.S. and TMC for their unilateral approach and did not agree on a mining code that would allow the controversial practice to move forward under international law. However, campaigners said more decisive action is needed to protect the ocean and its biodiversity.
"Governments have yet to rise to the moment," Greenpeace International campaigner Louisa Casson said in a statement. "They remain disconnected from global concerns and the pressing need for courageous leadership to protect the deep ocean."
Casson continued: "We call on the international community to rise up and defend multilateralism against rogue actors like The Metals Company. Governments must respond by establishing a moratorium and reaffirming that authority over the international seabed lies collectively with all states—for the benefit of humanity as a whole."
Defending Multilateralism
The International Seabed Authority (ISA) gains its authority to regulate deep-sea mining under the United Nations Law of the Sea, to which the U.S. is not party. TMC, however, could suffer consequences for bypassing the international process, as other countries and companies may decide not to do business with it.
At the most recent session, the ISA's council decided not to revoke exploratory permits it had previously granted to TMC and its subsidiaries. However, it approved an investigation on Monday into whether mining contractors such as TMC subsidiaries Nauru Ocean Resources Inc. and Tonga Offshore Mining Limited were abiding by their obligations under international law.
"TMC has been testing the limits of what it can get away with, a bit like a child seeing how far it can go with bad behavior," Matthew Gianni, cofounder of the Deep Sea Conservation Coalition (DSCC), told The New York Times.
"The member countries of the ISA have basically sent a shot across the bow, a warning to TMC that going rogue may well result in the loss of its ISA exploration claims," Gianna explained, adding that the investigation also served as a warning to other companies who might consider following TMC's example.
"The Trump administration's pursuit of deep-sea mining isn't about global stewardship—it's about sidestepping it."
Casson agreed: "The international community's message to The Metals Company is clear: Violating international law, ignoring scientific consensus, and disregarding human rights will have consequences. This is also a warning to any companies or governments choosing to align themselves with [TMC CEO] Gerard Barron's business model—they must be prepared to bear the reputational fallout of trying to destroy the ocean."
At the same time, a U.S. representative spoke on Thursday, doubling down on Trump's dismissal of the international process and earning instant push back from Brazil, France, and China
"As a non-party to the Law of the Sea Convention, the United States is not bound by the convention rules dealing with seabed mining through the International Seabed Authority," the U.S. statement said in part.
The statement came days after Greenpeace released a report titled Deep Deception: How the Deep-Sea Mining Industry is Manipulating Geopolitics to Profit from Ocean Destruction, which details how TMC and other deep-sea mining companies are exploiting national security concerns to lobby U.S. lawmakers to fast track deep-sea mining.
"The U.S. statement confirms what Deep Deception has already exposed: The Trump administration's pursuit of deep-sea mining isn't about global stewardship—it's about sidestepping it," Arlo Hemphill, Greenpeace USA's project lead for the Stop Deep-Sea Mining campaign, said in a statement. "By rejecting the ISA's authority while claiming environmental responsibility, the U.S. is trying to have it both ways—and in doing so is advancing a 'smash and grab' agenda that puts ocean health and international cooperation at serious risk."
'Growing Resistance'
Ultimately, ocean advocates agree that the only way to protect the deep sea is for governments to agree to a precautionary pause on a practice they argue would do irreparable harm to ecosystems science barely understands.
The consensus for such a pause is building, with Croatia becoming the 38th nation to support one during the latest ISA meeting.
"The ISA is paralyzed by a small group clinging to outdated extraction agendas while blocking even the most basic reforms," Simon Holmström, the deep-sea mining policy officer for Seas at Risk, said in a statement. "The firm rejection of the U.S. and The Metals Company's power grab, alongside 38 countries now calling for a moratorium or precautionary pause, shows growing resistance to sacrificing the planet's least understood ecosystem for corporate short-term profit."
"To even consider a new form of ecocide on our already ailing planet is both reckless and irrational."
Several nations spoke strongly in favor a moratorium, including Palau, Panama, and France.
"Exploiting the seabed is not a necessity—it is a choice," said His Excellency Surangel S. Whipps Jr., president of the Republic of Palau, on Tuesday. "And it is reckless. It is gambling with the future of Pacific Island children, who will inherit the dire consequences of decisions made far from their shores."
A Pacific leader from Solomon Island also defended the interests of the Pacific Ocean community: "As Pacific people, we continue to carry the trauma of what extractive industries have already done to our homes. Mining companies that came with promises, stripped our lands and waters, and left behind ecological, cultural, and spiritual scars. We cannot let that cycle repeat itself, in the ocean that connects us. That sustains us. And that defines us."
Olivier Poivre d'Arvor of France called for a pause of 10-15 years: "Our message is clear: no deep-sea mining without science, without collective legitimacy, without equity [...] France is calling for a moratorium or a precautionary pause. What for? Because we refuse to mortgage the future for a few nodules extracted in a hurry, in favor of a few."
However, campaigners argued that many governments continued to fall short of the commitments they had made at the U.N. Ocean Conference (UNOC) in Nice in early June.
"Thirty-eight states have now joined the call for a moratorium or precautionary pause, with Croatia joining the coalition during this Assembly," said DSCC campaign director Sofia Tsenikli. "But too many other states, which were bold in their ocean promises at UNOC, are not putting this into action at the ISA. Governments must meet their promises by doing what it takes to implement a moratorium before it's too late."
Farah Obaidullah, founder and director of The Ocean and Us, argued that the ocean already faces too many other threats to add the additional burden of deep-sea mining.
"The health of the high seas including the seabed is critical to our own. Yet our shared heritage faces an onslaught of threats from climate and nature collapse, escalating tensions, and failed leadership," Obaidullah said. "To even consider a new form of ecocide on our already ailing planet is both reckless and irrational. We know that deep-sea mining will devastate life in the deep ocean, wipe out species before they have been discovered, and impact ocean functions, including carbon sequestration. When it comes to the ocean we have no time to lose. We cannot colonize and conquer our shared heritage which belongs to us all. There is only one responsible way forward, and that is to secure a moratorium on deep-sea mining."
DSCC's Gianni also argued strongly for a pause: "Being on the fence or remaining silent is not a politically defensible position. We are risking severe ecological damage, and future generations will ask what we did to stop it. There is still a chance to stop this industry before it begins, but only if governments stand up for science, equity, and precaution now, and take action to prevent companies within their jurisdiction from cooperating with rogue mining operations."
Greenpeace's Hemphill concluded: "Governments must secure a moratorium that leaves no room for a desperate industry to force through a mining code. The science is not ready. The legal framework is not in place. The world must not be bullied into an irreversible mistake for the benefit of a few."
House GOP Accused of 'Waging War on America's Wildlife' With Proposed Spending Cuts
"This budget proposal shows yet again the extremes to which anti-wildlife members of Congress will go to sacrifice endangered species," said one conservationist.
Jul 14, 2025
As Republicans in the U.S. House of Representatives begin work on spending legislation for fiscal year 2026, conservationists and congressional Democrats are blasting a key appropriations bill released Monday.
"House Republicans are once again waging war on America's wildlife in yet another giveaway to their industry allies," said Stephanie Kurose, deputy director of government affairs at the Center for Biological Diversity, in a statement. "Extinction isn't inevitable, it's a political choice. The Appropriations Committee has one job to do, which is to fund the government, not decide whether our most vulnerable animals get to survive."
The bill that the Interior, Environment, and Related Agencies Subcommittee is set to consider on Tuesday morning would not only slash funding for the U.S Environmental Protection Agency (EPA)—by 23%—and the Fish and Wildlife Service, but also strip Endangered Species Act (ESA) protections from animals including gray wolves, the center noted.
"This budget proposal shows yet again the extremes to which anti-wildlife members of Congress will go to sacrifice endangered species," declared Robert Dewey, vice president of government relations at Defenders of Wildlife. "The bill is loaded with riders that attack the Endangered Species Act and would put some of America's most iconic species, including the grizzly bear and wolverine, at serious risk of extinction."
"The bill and all who support it are compromising the crucial habitats, outdoor recreation areas, and natural resources that Americans and wildlife rely on."
The legislation would block funding for listing the greater sage-grouse as well as money to protect the northern long-eared bat, the lesser prairie-chicken, and captive fish listed under the ESA. It would also block the Biden administration's rules for the landmark law.
"By blocking protections for public lands while also providing short-sighted lease sales for the benefit of oil and gas corporations, the bill and all who support it are compromising the crucial habitats, outdoor recreation areas, and natural resources that Americans and wildlife rely on," Dewey said.
Democrats on the committee put out a statement highlighting that, along with attacking wildlife, worsening the fossil fuel-driven climate emergency, and jeopardizing public health by favoring polluters, the GOP legislation would hike utility bills, promote environmental discrimination against rural and poor communities, and cut national park funding.
"With the release of the FY26 Interior bill, it's clear House Republicans are once again pushing an agenda that accelerates the climate crisis, upends our national parks system, and leaves local communities to fend for themselves—all while undermining the power of the Appropriations Committee and of Congress," said Rep. Chellie Pingree (D-Maine), ranking member on the Interior, Environment, and Related Agencies Subcommittee.
"We are still living with the fallout of last year's failure to negotiate a full-year funding bill. Instead of correcting course, the bill released today delivers more of the same: It cuts water infrastructure funding, slashes EPA programs, and wipes out environmental justice and climate initiatives. It even blocks the EPA from completing its risk assessment on PFAS in sewage sludge," she continued, referring to per- and polyfluoroalkyl substances, also called forever chemicals. "On top of the environmental attacks, Republicans are taking aim at the arts and cultural institutions that enrich communities and drive local economies."
Pingree asserted that "any arguments that these irresponsible cuts are somehow fiscally responsible ring hollow in the wake of Republicans adding $3.4 trillion to the national deficit thanks to their disastrous so-called 'One Big Beautiful Bill.' I urge my Republican colleagues to come to the table and support the essential work of this subcommittee: Protecting public health, conserving our lands and waters, investing in resilience, and ensuring that every community—from rural Maine to urban centers—has access to a healthy environment and a vibrant cultural life."
House Appropriations Committee Ranking Member Rosa DeLauro (D-Conn.) pointed out that President Donald Trump "promised to address the cost-of-living crisis, but instead, he and House Republicans are making it worse."
"House Republicans' 2026 Interior funding bill raises utility bills and energy prices to benefit billionaires and big corporations," DeLauro said. "Republicans are threatening the air we breathe and the water we drink and taking steps that damage our public lands, promote dirty energy, and hinder our ability to confront the climate crisis."
"In addition to these dangerous cuts, Republicans' proposal would mean fewer trips to national parks and less access to museums and the arts," she warned. "House Republicans are more focused on lining the pockets of big oil companies than lowering prices for working-class, middle-class, rural, and vulnerable families; protecting our public health; and preserving the planet."
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