“The ocean is the final word shared useful resource,” he informed delegates gathered on the port of Good. “However we’re failing it.”
Oceans, he warned, are absorbing 90 per cent of the surplus warmth from greenhouse gasoline emissions and buckling below the pressure: overfishing, rising temperatures, plastic air pollution, acidification. Coral reefs are dying. Fish shares are collapsing. Rising seas, he stated, might quickly “submerge deltas, destroy crops, and swallow coastlines — threatening many islands’ survival.”
Name for stewardship
Greater than 50 Heads of State and Authorities took half within the opening ceremony, together with Brazilian President Luiz Inácio Lula da Silva and European Fee President Ursula von der Leyen — a present of political power underscoring the summit’s weight.
In whole, over 120 international locations are taking part within the five-day gathering, identified by the shorthand UNOC3, signaling a rising recognition that ocean well being is inseparable from local weather stability, meals safety, and world fairness.
French President Emmanuel Macron, whose nation is co-hosting the summit alongside Costa Rica, adopted with a forceful enchantment for science, regulation, and multilateral resolve.
“The abyss shouldn’t be on the market, any greater than Greenland is on the market, any greater than Antarctica or the excessive seas are on the market,” he declared. “If the Earth is warming, the ocean is boiling.”
He insisted the destiny of the seas couldn’t be left to markets or opinion. “The primary response is subsequently multilateralism,” Mr. Macron stated. “The local weather, like biodiversity, shouldn’t be a matter of opinion; it’s a matter of scientifically established info.”
Costa Rican President Rodrigo Chaves Robles took the rostrum subsequent, thanking Mr. Guterres for elevating the ocean on the worldwide agenda, then shifting to a stark warning.
“The ocean is chatting with us — with bleached coral reefs, with storms, with wounded mangroves,” he stated. “There’s no time left for rhetoric. Now could be the time to behave.”
Condemning a long time of treating the ocean as an “infinite pantry and world waste dump,” Mr. Chaves urged a shift from exploitation to stewardship.

Brazilian President Luiz Inácio Lula da Silva, on the opening ceremony of UNOC3
“Costa Rica is a small nation, however this variation has began,” he stated. “We are actually declaring peace with the ocean.”
Most notably, the Costa Rican chief referred to as for a moratorium on deep-sea mining in worldwide waters till science can adequately assess the dangers — a place already backed by 33 international locations, he famous.
A treaty inside attain
One of many summit’s core goals is to assist carry into power the landmark Excessive Seas Treaty — generally known as the BBNJ accord — adopted in 2023 to safeguard life in worldwide waters. Sixty ratifications are required for the treaty to turn into binding worldwide regulation. Emmanuel Macron introduced that this milestone is now inside attain.
“Along with the 50 or so ratifications already submitted right here in the previous couple of hours, 15 international locations have formally dedicated to becoming a member of them,” he stated. “Because of this the political settlement has been reached, which permits us to say that this [Treaty] might be correctly applied.”
Whether or not the authorized threshold is crossed this week or shortly after, the French President added, “it’s a win.”

The plenary corridor of the third UN Ocean Convention (UNOC3) in Good.
Excessive-stakes negotiations within the ‘Blue Zone’
The tone set by the opening speeches made clear that Good would be the stage for high-stakes negotiations — on finalizing a worldwide treaty on plastic air pollution, scaling up ocean finance, and navigating conflicting opinions surrounding seabed mining.
A whole bunch of latest pledges are anticipated to be introduced, constructing on greater than 2,000 voluntary commitments made for the reason that first UN Ocean Convention in 2017. The week-long talks will culminate within the adoption of a political declaration and the disclosing of the Good Ocean Motion Plan, a blueprint aligned with the landmark Kunming-Montreal International Biodiversity Framework, a 2022 settlement to guard 30 per cent of marine and terrestrial ecosystems by 2030.
“The deep sea can’t turn into the Wild West,” António Guterres warned.
The summit is being held in a purpose-built venue overlooking Port Lympia, Good’s historic marina, now remodeled into the secured diplomatic ‘Blue Zone.’ On Sunday, a symbolic ceremony led by Li Junhua, head of the UN Division of Financial and Social Affairs and Secretary-Normal of the convention, noticed the French and UN flags raised above the harbor.
“This ceremony marks not solely the formal switch of this historic port into the palms of the United Nations, but in addition the start of every week of shared dedication, duty, and hope,” stated Mr. Li.

Ludovic Burns Tuki marked the beginning of the summit by blowing a pu, a standard conch shell
Tradition, science, and collective reminiscence
Earlier than the negotiations started in earnest, Monday’s opening turned to ritual and reflection. Polynesian local weather activist Ludovic Burns Tuki marked the beginning of the summit by blowing a pu, a standard conch shell.
“It’s a method to name everybody,” he informed UN Information after the ceremony. “I blow with the help of our ancestors.” In Polynesian navigation, the conch is sounded upon arrival at a brand new island to sign peaceable intent. Mr. Tuki, born in Tahiti to oldsters from the Tuamotu and Easter Islands, sees the ocean as each boundary and bond.
“We’re not solely international locations,” he stated. “We have to assume like a collective system, as a result of that is one ocean, one folks, a future for all.”
The cultural phase additionally included a blessing by Tahitian historian Hinano Murphy, a martial arts efficiency by French taekwondo grasp Olivier Sicard, a scientific reflection by deep-sea explorer Antje Boetius, and a poetic testimony by Mauritanian filmmaker Abderrahmane Sissako, accompanied by kora musician Wassa Kouyaté.
What was misplaced can return
The objectives of the Convention are bold however clear: to advance the ‘30 by 30’ pledge, promote sustainable fisheries, decarbonize maritime transport, and unlock new streams of “blue finance,” together with ocean bonds and debt-for-nature swaps to help weak coastal states.
Along with plenary classes, Monday will function two high-level motion panels: one on conserving and restoring marine ecosystems — together with deep-sea habitats — and one other on strengthening scientific cooperation, know-how alternate, and schooling to bridge the hole between science and coverage.
In his opening assertion, António Guterres burdened that Sustainable Improvement Objective 14 , on ‘Life Beneath Water’, stays the least funded of the 17 UN world objectives.
“This should change,” he stated. “We’d like daring fashions to unlock non-public capital.”
“What was misplaced in a technology,” he concluded, “can return in a technology. The ocean of our ancestors — teeming with life and variety — will be greater than legend. It may be our legacy.”