UN ocean summit in Nice closes with wave of commitments

“We close this historic week not just with hope, but with concrete commitment, clear direction, and undeniable momentum,” Li Junhua, the UN’s Under-Secretary-General for Economic and Social Affairs and Secretary-General of the summit, told reporters.

Co-hosted by France and Costa Rica, the five-day event brought 15,000 participants, including more than 60 Heads of State and Government, to France’s Mediterranean coast.

With over 450 side events and nearly 100,000 visitors, the gathering, dubbed UNOC3, built on the momentum of previous ocean summits in New York (2017) and Lisbon (2022). It culminated in a shared call to expand marine protection, curb pollution, regulate the high seas, and unlock financing for vulnerable coastal and island nations.

Li Junhua, the UN’s Under-Secretary-General for Economic and Social Affairs and Secretary-General of UNOC3, at the closing press conference, in Nice.

Ambitious pledges

The conference’s outcome, known as the Nice Ocean Action Plan, is a two-part framework that comprises a political declaration and over 800 voluntary commitments by governments, scientists, UN agencies, and civil society since the previous conference.

“These range from advocacy by youth to deep-sea ecosystem literacy, capacity building in science and innovation, and pledges to ratify intergovernmental treaties,” Mr. Li said.

The pledges unveiled this week reflected the breadth of the ocean crisis. The European Commission announced an investment of €1 billion to support ocean conservation, science, and sustainable fishing, while French Polynesia pledged to create the world’s largest marine protected area, encompassing its entire exclusive economic zone – about five million square kilometers.

Germany launched a €100-million programme to remove underwater munitions from the Baltic and North Seas. In addition, New Zealand committed $52 million to strengthen ocean governance in the Pacific, and Spain announced five new marine protected areas.

A 37-country coalition led by Panama and Canada launched the High Ambition Coalition for a Quiet Ocean to tackle underwater noise pollution. Meanwhile, Indonesia and the World Bank introduced a ‘Coral Bond’ to help finance reef conservation in the country.

“The waves of change have formed,” Mr. Li said. “It is now our collective responsibility to propel them forward – for our people, our planet, and future generations.”

Olivier Poivre d’Arvor (right), France’s special envoy for the conference, at UNOC3;s closing press conference, in Nice.

A diplomatic stage

The summit opened Monday with stark warnings. “We are not treating the ocean as what it is – the ultimate global commons,” said UN Secretary-General António Guterres, alongside the presidents of France and Costa Rica, Emmanuel Macron and Rodrigo Chaves Robles, who called for a renewed multilateralism anchored in science.

On Friday, France’s special envoy for the conference, Olivier Poivre d’Arvor, recalled the stakes: “We wanted in Nice… to take a chance on transformative change. I believe we have moved forward, but we can no longer go backwards.”

One of the conference’s main objectives was to accelerate progress on the High Seas Treaty – known as the BBNJ agreement – adopted in 2023 to safeguard marine life in international waters. Sixty ratifications are needed for it to enter into force. Over the past week, 19 countries ratified the accord, bringing the total number as for Friday, to 50.

“This is a significant victory,” said Mr. Poivre d’Arvor. “It’s very difficult to work on the ocean right now when the United States is so little involved.”

The French envoy was alluding to the absence of a senior US delegation, as well as President Donald Trump’s recent executive order advancing deep-sea mining. “The abyss is not for sale,” he said, echoing remarks made earlier in the week by President Macron.

Still, Mr. Poivre d’Arvor emphasized the broad agreement achieved at the summit. “One country may be missing,” he said. “But 92 per cent of the ‘co-owners’ were present today in Nice.”

His counterpart, Arnoldo André-Tinoco, the Foreign Minister of Costa Rica, urged other nations to accelerate financing for ocean protection. “Each commitment must be held accountable,” he said at the conference’s closing meeting.

Momentum – and a test

For Peter Thomson, the UN’s Special Envoy for the Ocean, Nice marked a turning point. “It’s not so much what happens at the conference, it is what happens afterwards,” he told UN News, recalling the early days of ocean advocacy when Sustainable Development Goal 14 (SDG14), on life below water, was first established.

“From the desert we were in back in 2015… to where we are now, where you see this incredible engagement.”

Looking ahead, attention is already turning to the Fourth UN Ocean Conference, slated to be co-hosted by Chile and South Korea in 2028.

“We’re going to again see a big surge upwards from here,” Mr. Thomson predicted. He expressed hope that major global agreements — including the BBNJ treaty, the WTO Fisheries Subsidies Agreement, and the future Global Plastics Treaty – will all be ratified and implemented by then.

The 2028 summit will also mark a moment of reckoning, as SDG 14 approaches its 2030 target.

“What do we do when SDG 14 matures in 2030?” Mr. Thomson asked. “Obviously, it’s got to be raised ambition. It’s got to be stronger.” He emphasized that while SDG14 had aimed to protect 10 per cent of the ocean by 2020 – a target the world failed to meet – the new benchmark is 30 per cent by 2030.

Wearing a shell necklace gifted by the Marshall Islands, the Fiji native praised small island nations and atoll collectives for setting ambitious marine protections.

“If small countries can make big measures like that, why can’t the big countries follow suit?” he said.

He also saluted the 2,000 scientists who gathered for the One Ocean Science Congress ahead of the summit. “What a great way to run things,” he said.

A show of unity

Despite the celebratory tone, tensions lingered. Small Island Developing States pushed for stronger language on loss and damage – harms inflicted by climate change that go beyond what people can adapt to. “You cannot have an ocean declaration without SIDS,” one delegate warned earlier this week.

Others, including President Chaves, of Costa Rica, called for a moratorium on deep-sea mining in international waters until science can assess the risks – a step not included in the final declaration.

Still, the political declaration adopted in Nice, titled Our ocean, our future: united for urgent action, reaffirms the goal of protecting 30 percent of the ocean and land by 2030, while supporting global frameworks like the Kunming-Montreal Biodiversity Agreement and the International Maritime Organization’s climate goals.

“The real test,” Mr. Li said, “is not what we said here in Nice – but what we do next.”

As the sun dipped behind the Promenade des Anglais and the conference’s final plenary adjourned, the sea – ancient, vital, and imperiled – bore silent witness to a fragile but shared promise.

Global push to end plastic pollution gains ground in Nice

Away from the cameras and fanfare of the Third UN Ocean Conference under way in the coastal French city, they voiced a shared determination to finalize this year a global treaty that could, for the first time, regulate plastics across their entire life cycle.

“There is renewed commitment to conclude the treaty in August,” Jyoti Mathur-Filipp, who attended the meeting and is leading the treaty negotiations, told UN News. “This is too urgent an issue to be left for the future.”

Hosted by Inger Andersen, the head of the UN Environment Programme (UNEP), the informal gathering marked a quiet but significant diplomatic moment – a sign that after two years of deliberations, political momentum may finally be catching up with scientific alarm.

With one round of talks remaining – scheduled from August 5 to 14 in Geneva – negotiators are now under pressure to deliver the first legally binding treaty aimed at tackling plastic pollution across production, consumption, and waste.

A crisis accelerating in plain sight

Plastic waste has infiltrated nearly every ecosystem on Earth, and increasingly in the form of microplastics – the human body. Without urgent action, the amount of plastic entering the ocean each year could reach 37 million metric tons by 2040, according to UN estimates.

“We are choking with plastic,” Ms. Mathur-Filipp said. “If we do not do something to tackle plastic pollution, we will not have a single ecosystem left, whether it’s terrestrial or marine.”

The economic toll is no less staggering. Between 2016 and 2040, the projected cost of plastic-related damage could reach $281 trillion. “It is costing the economy a lot,” said the Indian native. “In tourism, in beach clean-up, in lack of fish for fishing folk, coastal damage, wetlands damage.”

Jyoti Mathur-Filipp, Executive Secretary of the Intergovernmental Negotiating Committee (INC) on Plastic Pollution.

The final stretch in Geneva

The treaty process was launched in 2022, at the request of the UN Environment Assembly, the world’s highest decision-making body on environmental issues. Since then, the Intergovernmental Negotiating Committee (INC) has convened five times in less than two years – an unusually rapid timeline by UN standards.

“We have had five sessions very rapidly from December of 2022 to December of 2024,” said Ms. Mathur-Filipp, who serves as the INC’s Executive Secretary. She hopes the upcoming session this August in Geneva will mark the treaty’s conclusion.

A key breakthrough came six months ago at the last round of talks in Busan, South Korea, where delegates produced a 22-page “Chair’s text,” outlining the draft treaty’s basic structure.

“It has 32 or 33 articles in it, with names of articles, so countries can now start seeing what this treaty will look like,” she explained. “They have started speaking with article numbers for negotiation… and this is why my hope is that there would be a conclusion.”

A treaty with teeth – and flexibility

While the draft treaty is still under negotiation, it includes measures that would target the entire life cycle of plastic – from upstream production to downstream waste. It reflects both mandatory and voluntary provisions, in line with the original UN mandate.

The current draft also includes the institutional architecture of a typical multilateral treaty: the ratification process, governance rules, and proposed implementation bodies.

“It has an objective. It has a preamble,” said Ms. Mathur-Filipp. “It looks like a treaty.”

If all goes according to plan, the final text will be submitted to a diplomatic conference – later this year or in early 2026 – where governments can formally adopt it and begin the ratification process.

Unequal burdens, global stakes

Although plastic pollution is a global issue, some countries – especially small island developing states – bear a disproportionate burden.

“It is a fact that small island developing states are not the ones that are using plastic as much as what’s flowing onto their shores and therefore, they become responsible for beach clean-up, which is not their doing,” Mathur-Filipp said. “They are unfairly impacted.”

An estimated 18 to 20 per cent of global plastic waste ends up in the ocean.

One diplomat’s mission

Before leading the INC, Ms. Mathur-Filipp worked at the UN Convention on Biological Diversity, where she helped shape the landmark Kunming-Montreal Global Biodiversity Framework, the 2022 agreement to protect 30 per cent of the planet’s land and ocean by 2030. The challenge of managing a fast-moving, high-stakes negotiation is familiar terrain.

“I wasn’t tired enough there, so now I’m doing this,” she said.

As the Mediterranean UNOC3 host city plays its part in building momentum, all eyes will, in the weeks ahead, turn to Geneva. The outcome in August could determine whether the world takes a decisive step toward curbing the plastic crisis – or allows it to deepen, unchecked.

‘Plenty of fish in the sea’? Not anymore, say UN experts in Nice

As yachts bobbed gently and delegates streamed by in a rising tide of lanyards and iPads at Port Lympia, Nice’s historic harbor, that statistic sent a ripple through the summit’s third day – a stark reminder that the world’s oceans are under growing pressure from overfishing, climate change, and unsustainable management.

Presented dockside at a press conference by Manuel Barange, Assistant Director-General of the UN Food and Agriculture Organization (FAO), the report offered a detailed global snapshot of how human activity is steadily draining the ocean – and how sound management can bring it back.

“To use a banking comparison,” Mr. Barange told UN News in an interview ahead of the report’s launch, “we are extracting more than the interest the bank gives us. We are depleting the populations.”

The “Review of the State of World Marine Fishery Resources 2025,” which draws on data from 2,570 marine fish stocks – the widest scope used by FAO yet – paints a complex picture: while over a third of stocks are being overexploited, 77 per cent of fish consumed globally still come from sustainable sources thanks to stronger yields from well-managed fisheries.

“Management works,” Mr. Barange said. “We know how to rebuild populations.”

Assistant Director-General Manuel Barange, of the Food and Agriculture Organization (FAO), unveiled the agency’s report on the world’s fish stocks.

A global patchwork

Regional disparities remain stark. In the Pacific coast of the United States and Canada, over 90 per cent of stocks are sustainably fished. In Australia and New Zealand, the figure exceeds 85 per cent. The Antarctic – governed by strict international regulations – reports 100 per cent sustainability.

But along northwest Africa’s coast, from Morocco to the Gulf of Guinea, over half of all stocks are overfished, with little sign of recovery. The Mediterranean               Seas fare even worse: 65 per cent of stocks there are unsustainable. Yet there is a positive sign – the number of boats going out to fish in that region has declined by nearly a third over the past decade, offering hope that policy shifts are beginning to take effect.

For Mr. Barange, the lesson is clear: where management systems exist – and are backed by resources – stocks recover.

But science-based management is expensive. “Some regions can’t afford the infrastructure needed for control and monitoring, the science needed, the institutions needed,” he said.

“We need to build up capacity for the regions that are not doing so well. Not to blame them, but to understand the reasons why they are not doing so well and support them in rebuilding their populations.”

From collapse to comeback

Perhaps the clearest example of recovery may be tuna. Once on the brink, the saltwater fish has made a remarkable comeback. Today, 87 per cent of major tuna stocks are sustainably fished, and 99 per cent of the global market comes from those stocks.

“This is a very significant turnaround,” Mr. Barange said. “Because we have taken management seriously, we have set up monitoring systems, we set up management systems, compliance systems.”

The full findings in the FAO’s new report are likely to shape policy discussions far beyond Nice. The agency has worked closely with 25 regional fisheries-management organizations to promote accountability and reform, and Mr. Barange believes the model is replicable – if the political will holds.

Fish, livelihoods, and the blue economy

Countries were reported to have finalized negotiations over the political declaration expected to be adopted on Friday at the close of UNOC3, as the conference in known. The statement will form part of the Nice Ocean Action Plan and is intended to align with the Kunming-Montreal Global Biodiversity Framework – the 2022 agreement to protect 30 per cent of the planet’s land and ocean by 2030.

As the heat climbed once again over the stone quays of Nice – a city perched in one of Europe’s most climate-vulnerable regions – sustainable fisheries took center stage inside the conference halls. Action panels focused on supporting small-scale fishers and advancing inclusive ocean economies, with delegates exploring how to align conservation goals with social equity – especially in regions where millions depend on fishing for survival.

‘We’re not apart from the ocean – we’re a part of it’ – FAO’s Manuel Barange

“There are 600 million people worldwide who depend on fisheries and aquaculture for their livelihoods,” Mr. Barange said. “In some countries, aquatic animals are the main source of protein. We’re not apart from the ocean – we’re a part of it.”

As the conference moves into its final stretch, FAO’s warning shines like a beacon: one-third of the world’s fish stocks remain under too much pressure. But the data also offer something that can be elusive in the climate and biodiversity space – evidence that recovery is possible.

Three days in, the FAO report underscores a central message voiced by UN Secretary-General António Guterres, on Monday, as he opened the summit: recovery is still within reach.

“What was lost in a generation,” he said, “can return in a generation.”

The world’s oceans are dying. Can a UN summit in Nice turn the tide?

From June 9 to 13, the coastal city of Nice will host the Third United Nations Ocean Conference (UNOC3), a high-level summit co-chaired by France and Costa Rica. Its mission: to confront a deepening ocean emergency that scientists warn is nearing a point of no return.

“The ocean is facing an unprecedented crisis due to climate change, plastic pollution, ecosystem loss, and the overuse of marine resources,” Li Junhua, a senior UN official serving as Secretary-General of the event, told UN News.

“We hope the conference will inspire unprecedented ambition, innovative partnerships, and maybe a healthy competition,” he said, highlighting the need for international cooperation to avoid irreversible damage.

The pressure is on. UNOC3 is bringing together world leaders, scientists, activists, and business executives to tackle the growing crisis in the world’s oceans. The goal: to spark a wave of voluntary pledges, forge new partnerships, and — if organizers succeed — inject a much-needed dose of accountability into the fight against marine degradation.

The week-long talks will culminate in the adoption of a political declaration and the unveiling of the Nice Ocean Action Plan — an effort to match the scale of the crisis and accelerate action to conserve and sustainably use the ocean.

Warming seas, bleaching reefs

The crisis isn’t a distant threat: it’s happening now. In April, global sea surface temperatures hit their second-highest levels ever for that monthaccording to the European Union’s Copernicus Climate Change Service. Meanwhile, the most extensive coral bleaching event in recorded history is underway — sweeping across the Caribbean, the Indian Ocean, and parts of the Pacific. More than a single event, it’s a planetary unraveling.

Coral reefs, which sustain a quarter of all marine species and underpin billions in tourism and fisheries, are vanishing before our eyes. Their collapse could unleash cascading effects on biodiversity, food security, and climate resilience.

And the damage runs deeper still. The ocean continues to absorb more than 90 per cent of excess heat from greenhouse gas emissions — a worldwide service that may be nearing its limits. “Challenges like plastic pollution, overfishing, biodiversity loss, ocean acidification, and warming are all linked to climate change,” Mr. Li warned.

Turning versus tipping points

Still, there have been notable breakthroughs. In 2022, the World Trade Organization struck a far-reaching deal to phase out harmful subsidies that fuel overfishing, offering a rare glimmer of multilateral resolve. The following year, after decades of deadlock, nations adopted the High Seas Treaty, known by the shorthand BBNJ, to safeguard marine life in international waters. That long-awaited agreement is now poised to enter into force at the Nice summit.

But policy alone cannot reverse an ecosystem in free fall. “The global response is insufficient,” Li Junhua cautioned.

Progress, in other words, depends not only on political will but on the resources to match it.

An estimated 60 per cent of the world’s marine ecosystems have been degraded or are being used unsustainably.

A lifeline starved of funds

Despite its vital role in regulating life on Earth — producing half of our oxygen and buffering against climate extremes — the ocean remains chronically underfunded.  Sustainable Development Goal 14 , on ‘Life Below Water’, receives the least resources of the 17 global UN goals Member States agreed to meet by 2030.

The estimated cost to protect and restore marine ecosystems over the next five years is $175 billion annually. “But less than $10 billion was allocated between 2015 and 2019,” Mr. Li noted, signaling the need to move ocean funding from trickle to torrent.

That ambition is at the heart of what the Conference aims to deliver.

The Nice Ocean Action Plan

The theme of UNOC3, Accelerating action and mobilizing all actors to conserve and sustainably use the ocean, reflects a shift from declarations to delivery.

Over five days, participants will grapple with the big questions: how to stem illegal fishing, reduce plastic pollution, and scale sustainable blue economies. Hundreds of new pledges are expected to build on the more than 2,000 voluntary commitments made since the first ocean summit in 2017.

The Nice Ocean Action Plan is set to align with the Kunming-Montreal Global Biodiversity Framework, a 2022 agreement calling for the protection of at least 30 per cent of marine and terrestrial ecosystems by 2030.

Alongside new pledges, the plan will include a formal declaration, which Mr. Li described as a “concise” and “action-oriented” political document.

“The draft political declaration, led by Australia and Cabo Verde, focuses on ocean conservation and sustainable ocean-based economies and includes concrete measures for accelerating action,” the UN official teased.

The rapid loss of biodiversity threatens the livelihood of 3 billion people, including coastal communities.

Crisis by the numbers — and what Nice hopes to deliver

  • Up to 12 million metric tons of plastic enter the ocean every year — the equivalent of a garbage truck every minute.

    At Nice, delegates hope to advance a global agreement to tackle plastic pollution at its source.

  • Over 60 per cent of marine ecosystems are degraded or unsustainably used.

    The summit aims to bolster efforts toward protecting 30 per cent of the ocean by 2030 and to launch a roadmap for decarbonizing maritime transport.

  • Global fish stocks within safe biological limits have plunged from 90 per cent in the 1970s to just 62 per cent in 2021.

    Nice hopes to pave the way for a new international agreement on sustainable fisheries.

  • More than 3 billion people depend on marine biodiversity for their livelihoods.

    In response, the summit seeks to boost financing for blue economies and elevate community-led solutions.

In small developing island states, the ocean is not just an economic engine, it’s a lifeline.

From Paris to Nice

The timing of the summit is intentional. A decade after the landmark Paris Agreement set targets for limiting global warming, UNOC3 is pushing to place the ocean at the center of climate action — not as an afterthought, but as a frontline battlefield.

“UNOC 3 addresses the interconnected crisis facing our oceans,” noted Mr. Li.

The summit also aims to be inclusive, highlighting voices often sidelined in global forums, such as women, Indigenous people, fisherfolk, and coastal communities. “These groups are the first to suffer the impacts of climate change and ocean degradation,” Mr. Li emphasized. “But they are also leaders and problem solvers, so they must be empowered.”

A pivotal moment

Nice isn’t just a scenic backdrop — it’s part of the story. The Mediterranean is warming 20 per cent faster than the global average, making it a so-called climate “hot spot.” For many, the location only sharpens the stakes.

Whether the conference generates real momentum or simply more declarations will depend on what countries, companies, and communities bring to the table.

As delegates descend on the sun-drenched coast of Nice, the sea laps gently at the shores. But the question rising with the tide is anything but gentle: can the world still turn this around?

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UN aims to transform urgency into action at Nice Ocean Conference

The third United Nations Ocean Conference (UNOC 3) from 9-13 June will bring together Heads of State, scientists, civil society and business leaders around a single goal: to halt the silent collapse of the planet’s largest – and arguably most vital – ecosystem.

The ocean is suffocating due to rising temperatures, rampant acidification, erosion of biodiversity, plastic invasion, predatory fishing.

‘A state of emergency’

Our planet’s life support system is in a state of emergency,” said Li Junhua, head of the UN Department of Economic and Social Affairs (DESA) and the Secretary-General of the upcoming summit. 

He insisted that there is still time to change course.

The future of the ocean is not predetermined.  It will be shaped by the decisions and actions that we are making now,” Mr. Li said on Tuesday during a press briefing at UN Headquarters in New York. 

In the eyes of the senior official, UNOC 3 “will not be just another routine gathering.” 

“We hope that it proves to be the pivotal opportunity to accelerate action and mobilize all stakeholders across the sectors and borders.”

World-class conference

More than 50 world leaders are expected on the Côte d’Azur, alongside 1,500 delegates from nearly 200 countries. 

The programme includes 10 plenary meetings, 10 thematic roundtables, a blue zone reserved for official delegations, and a series of parallel forums during five days of negotiations.

For France, which is co-hosting the conference alongside Costa Rica, the challenge is clear: to make Nice a historic milestone. 

“This is an emergency,” declared Jérôme Bonnafont, Permanent Representative of France to the UN, during the press conference.

“An ecological emergency: we are witnessing the deterioration of the quality of the oceans as an environment, as a reservoir of biodiversity, as a carbon sink.”

France hopes to make the conference a turning point and the goal “is to produce a Nice agreement that is pro-oceans, as the Paris Agreement 10 years ago now was for the climate.” 

This agreement will take the form of a Nice Action Plan for the Ocean, a “concise action-oriented declaration,” according to Mr. Li, accompanied by renewed voluntary commitments.

Three milestones

Three events will prepare the ground for UNOC 3.

The One Ocean Science Congress, from 4-6 June, will bring together several thousand researchers. The Summit on Ocean Rise and Coastal Resilience to be held the following day will explore responses to rising sea levels. Finally, the Blue Economy Finance Forum, on 7-8 June in Monaco, will mobilize investors and policymakers.

For Costa Rican Ambassador Maritza Chan Valverde, there is no more time for procrastination.

We’re expecting concrete commitments with clear timelines, budgets and accountability mechanisms. What is different this time around, zero rhetoric, maximum results,” she said.

‘Transform ambition into action’

The conference’s theme Accelerating Action and Mobilizing All Stakeholders to Conserve and Sustainably Use the Ocean will address several topics, ranging from sustainable fishing to marine pollution and the interactions between climate and biodiversity.

This is our moment to transform ambition into action,” Mr. Li concluded, calling for governments, businesses, scientists, and civil society to come together in a common spirit. 

He also praised the “visionary leadership” of France and Costa Rica, without whom this large-scale mobilization would not have been possible.

A slogan promoted by Costa Rica seems to sum up the spirit of the summit: “Five days. One ocean. One unique opportunity.” 

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