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deep sea mining
2,315 Meters Under the Sea, Greenpeace Stages Deepest Protest in World History
“By safeguarding these deep-sea ecosystems within a global network of ocean sanctuaries and establishing a moratorium on deep sea mining, we can create a resilient safety net for marine life, and protect the health of our global oceans for generations to come."
May 27, 2026
Aided by a sophisticated underwater submersible, activists with Greenpeace on Wednesday set a world record for the deepest protest ever by displaying a banner 1.4 miles beneath the surface of the Arctic Ocean to oppose industrial deep-sea mining and urging protection of the world's oceans.
According to the international environmental group, the message "LISTEN TO THE SCIENCE!" was displayed 2,315 meters below sea level using a remotely operated vehicle called ‘ROV Holly.’
Executed during a deep-water survey expedition between Iceland and the island of Svalbard, the robotic hand of the submersible held up the sign in front of a hydrothermal vent field known as Loki’s Castle, which is located along the Arctic Mid-Ocean Ridge that separates the Arctic Ocean's Greenland Sea from the Norwegian Sea.
"This marks the deepest banner protest in history, to speak for ecosystems that have no voice of their own," said Dr. Sandra Schöttner, chief scientist for the Deep Arctic Expedition at Greenpeace International. "World leaders have already promised to protect 30 percent of the oceans, now they must listen to the science and actually do it. We cannot meet our global goals if we also allow industrial exploitation of unexplored and vulnerable ecosystems in the deep sea. It is high time that leaders keep their promises and give the oceans a chance to recover.”
The Arctic Mid Ocean Arctic Ridge—which the group characterized as "one of Earth's least known wildernesses"—goes down to depths of up to 3000 meters. The expedition and historic protest is part of a Greenpeace campaign that is calling for the deep-sea world of hydrothermal vents like Loki's Castle and others, as well as seamounts and the "extraordinary creatures" that live in such ecosystems to be protected with the establishment of a network of marine sanctuaries.
“By safeguarding these deep-sea ecosystems within a global network of ocean sanctuaries and establishing a moratorium on deep sea mining," said Dr. Schöttner, "we can create a resilient safety net for marine life, and protect the health of our global oceans for generations to come."
Efforts to ban deep-sea mining by environmentalists, ocean stewards, and conservationists were stymied in the US with an executive order last year issued by President Donald Trump which seeks to bolster and expand the practice by the mining industry.
Trump was condemned for the move, which Greenpeace at the time called "an insult to multilateralism" due to its sidestepping of a UN-backed process designed to protect the oceans, and "a slap in the face to all the countries and millions of people around the world who oppose this dangerous industry.”
Trump's failures, however, have been counteracted at some level by other nations who have paused or put stronger protections in place when it comes to deep-sea mining. In December, Norway paused controversial plans to issue a fresh round of drilling and mining license beneath undersea areas it controls.
As part of its ongoing campaign to curb the destructive practice, Greenpeace is calling on world leaders to honor existing global climate targets, implement the UN Ocean Treaty to protect 30% of the global ocean by 2030, and establish an immediate moratorium on deep-sea mining.
“There is no version of seabed mining that is sustainable or safe,” Greenpeace Aotearoa campaigner Juressa Lee said last year. “Alongside our allies who want to protect the ocean for future generations, we will continue to say a loud and bold no to miners who want to strip the seafloor for their profit.”
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Inside the Shadowy Forum Trying (and Likely Failing) to Make Deep-Sea Mining Happen
The goal of an invitation-only event seemed to be to foster a shared belief among government officials and mining industry executives that deep-sea mining has a future. I’m not sure it worked.
Feb 06, 2026
In the chaotic aftermath of Snowmaggedon 2026, I snuck into the Offshore Critical Minerals Exploration and Development Forum at the famed Willard Hotel, known for hosting exclusive insider events and serving as a primary gathering spot for Washington DC’s “movers and shakers.” This event fit that mold—but with the growing secrecy of the deep-sea mining crowd added for extra flavor.
Hosted by the American Council for Capital Formation (ACCF), the goal of this invitation-only event seemed to be to foster a shared belief among government officials and mining industry executives that deep-sea mining has a future. I’m not sure it worked.
The Elephant Was Still in the Room
ACCF’s Michael Zehr set the tone early, making sure everyone understood that “we’re not here to discuss the ISA [International Seabed Authority] and UNCLOS [United Nations Convention on the Law of the Sea].”
OK, look, I get it. I’m sure they had to promise that the agenda would steer clear of prickly issues of international law to get the Trump officials to show up. But it’s a bit delusional to assume that the US will just carry on with President Donald Trump’s plan to bypass the International Seabed Authority after Trump is gone, so avoiding this issue completely undermined the whole purpose of the gathering.
“This Is an Industry That Does Not Exist”
Not only does deep-sea mining not yet exist, as Ocean Minerals CEO Hans Smit pointed out, it is an industry that should not exist. Humanity does not have a very good track record when it comes to launching new extractive industries, as even the predictable consequences are often dwarfed by the impacts we didn’t fully see coming. But this was not the group of people who were going to pause for that kind of self-reflection.
Instead, the mining CEOs did their best to convince everyone that deep-sea mining is easy and definitely going to happen while simultaneously making excuses for why it might take a long time. The investors tried to politely raise some of their huge glaring concerns in a way that wouldn’t alarm the government officials. And the Trump administration officials waved away questions about whether future leaders are going to just pull the plug on Trump’s reckless approach. Throughout the day, speakers probably spent more time worrying about environmentalists than the environment, which I suppose was no surprise coming from this bunch.
“It Has Been Hard”
The speakers responsible for raising the capital to make DSM possible acknowledged that investors are not exactly jumping on this rusty bandwagon. Mining is right up there with tobacco, alcohol, pornography, and gambling for many investors, who categorically exclude financing industries that fail the vice clause screen. Even those who might be willing to overlook the environmental impacts or reputational risks have held back, apparently for two main reasons.
As someone who has worked closely with staff at NOAA, State, and other federal agencies for over 20 years, it was galling to see how completely captured these agencies have become by corporate interests.
First, deep-sea mining is fantastically expensive to get going, and so far no one is close to being ready to operate at commercial scale. No one wants to throw hundreds of millions of dollars into a venture that may well be headed for bankruptcy (again). Which is connected to the second big problem, which came up throughout the day: durability. This administration will be out of office well before commercial mining will be operational, and probably even before it can be permitted. Even Tim Petty, the assistant secretary of commerce, refused to speculate on whether the Trump administration could move fast enough to actually grant permits, looking visibly uncomfortable and just saying, “We’ll see.”
Sometimes, when they avoid the question, it is all the answer you need. Petty also ducked a question about the approach the administration will take to consultation with Pacific stakeholders, responding with a completely unrelated tangent. Then, when he was asked about a comment Rep. Ed Case (D-Hawaii) had just made at a congressional hearing, that the National Oceanic and Atmospheric Administration (NOAA) is in bed with The Metals Company, Petty preferred to recount that in his meeting with staffers, “None of the questions about the environment came up”—as if that was some sort of validation.
Open for Business
As someone who has worked closely with staff at NOAA, State, and other federal agencies for over 20 years, it was galling to see how completely captured these agencies have become by corporate interests. Don’t get me wrong, corporations have always had far too much influence over public policy, but hearing NOAA’s Deputy Assistant Secretary Erik Noble say repeatedly that “NOAA is open for business” does not exactly provide much assurance that the agency responsible for stewardship of our oceans is up to the task right now. The general message from NOAA and Bureau of Ocean Energy Management (BOEM) officials to mining execs was clear: We are on your side. Regulations and laws are flexible, money will flow, incentives are coming. Tell us what you need and we will make it happen. To drive the point home even harder, Megan Carr used the gathering as an opportunity to announce that BOEM was launching a new process to start paving the way for deep-sea mining on Alaska’s outer continental shelf.
The Echo Chamber
It was painful to sit through a day of delusional boosterism, especially from agencies that are responsible for protecting our oceans and America’s standing in the world. By the second half of the day, though, it was clear that there were hardly any “investors” in the room, and that the audience was mostly just made up of a rotating group of speakers talking to each other. Two-thirds of the seats were empty, and so, ultimately, was the promise of any real discussion when fundamental issues were off the table, speakers were unwilling to answer questions (from moderators only—no questions were ever taken from the audience), and people with other perspectives were not invited.
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In 'Historic Victory' for Oceans, Norway Pauses Controversial Deep-Sea Mining Plans
"We will not let this industry destroy the unique life in the deep sea, not in the Arctic, nor anywhere else," one campaigner said.
Dec 03, 2025
In a move celebrated by environmental advocates as a "massive win for nature," the Norwegian government on Wednesday delayed the issuing of deep-sea mining licenses in its Arctic waters for a second year in a row, this time until 2029.
In January 2024, Norway drew massive criticism from ocean campaigners and scientists when it became the first European country to open its waters to the controversial practice. Since then, however, smaller parties have twice succeeded in delaying the granting of licenses in return for passing the yearly budget.
“Deep-sea mining in Norway has once again been successfully stopped," Haldis Tjeldflaat Helle, the deep-sea mining campaigner at Greenpeace Nordic, said in a statement. "We will not let this industry destroy the unique life in the deep sea, not in the Arctic, nor anywhere else."
Wednesday's decision came as part of the new Labour government's budget negotiations, as the Reds, the Socialist Left Party, and the Green Party all opposed granting licenses. To pass its state budget, the government agreed "not to launch the first tenders for deep-sea mining during the current legislative term," which lasts four years, according to Agence France-Presse. The agreement comes a year after a similar intervention by the Socialist Left Party delayed the first round of licenses.
"Wherever this industry tries to start, it fails. We can protect the oceans from extraction."
The Norwegian government also said it would no longer direct public funds toward mapping for minerals, which Greenpeace called a "major shift in its stance on deep-sea mining."
The World Wildlife Fund (WWF) agreed, saying, "This decision represents a significant shift in Norway’s position and is a historic victory for nature, science, and public pressure."
A 2024 Greenpeace report warned that mining the Arctic seabed could cause "irreversible harm" to its unique ecosystems and even drive some as yet unstudied species extinct.
“This decision is a historic victory. Norwegian politicians decided to listen to scientific expertise and to the strong public demand to protect the vulnerable deep-sea environment, rather than being swayed by the mining lobby,” Karoline Andaur, CEO of WWF-Norway, said in a statement.
Louisa Casson, a Greenpeace International deep-sea mining campaigner, wrote on social media: "Deep-sea miners thought it would be easy to start mining the Arctic seafloor… But thanks to campaigning, Norway has just halted all deep-sea mining development! Wherever this industry tries to start, it fails. We can protect the oceans from extraction."
Deep-sea mining opponents like Greenpeace saw Norway's decision as "another blow" to an industry that has faced widespread popular opposition. It follows the decision by the Cook Islands last month to postpone a determination on deep-sea mining until 2032.
“There is no version of seabed mining that is sustainable or safe," Greenpeace Aotearoa campaigner Juressa Lee said in a statement at the time. "Alongside our allies who want to protect the ocean for future generations, we will continue to say a loud and bold no to miners who want to strip the seafloor for their profit.”
Following its pause on licenses, environmental advocates want Norway to bolster the growing momentum against deep-sea mining by joining the nations who have signed on in support of a global moratorium.
"Now Norway must step up and become a real ocean leader, join the call for a global moratorium against deep-sea mining, and bring forward a proposal of real protection for the Arctic deep sea," Helle said.
WWF's Andaur noted that "as cochair of the High-Level Panel for a Sustainable Ocean Economy, Norway now has a unique opportunity be consistent and stand alongside their cochair Palau and the 40 countries already supporting a global moratorium or pause on deep-seabed mining, turning this national pause into true global ocean leadership."
“Millions of people across the world are calling on governments to resist the dire threat of deep-sea mining to safeguard oceans worldwide," Greenpeace's Casson said. "This is yet another huge step forward to protect the Arctic, and now it is time for Norway to join over 40 countries calling for a moratorium and be a true ocean champion."
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