BELÉM, Brazil, Nov 17 2025 (IPS) - Mutirão first entered the global climate discourse in Ambassador André Corrêa do Lago’s first letter to the world, which was sent in March 2025 as part of his COP30 presidency.

“The Brazilian culture inherited from Brazilian native indigenous peoples the concept of ‘Mutirão’ or Motirô in the Tupi-Guarani language.

“It refers to a community coming together to work on a shared task, whether harvesting, building, or supporting one another,” he wrote.

As a nation of football, he assured the world that the global community can win the climate fight by “virada,” which means “fighting back to turn the game around when defeat seems almost certain.” Delegates say the COP30 Mutirão approach, inspired by the Brazilian tradition of communities working together to solve shared problems, is fit for purpose amidst escalating climate crises.

Importantly, Brazil has framed the ocean as an emerging priority. The Mutirão approach for COP30’s oceans plan is a collaborative, action-oriented strategy emphasizing the ocean’s role in climate change, moving from negotiation to implementation.

The plan is called Mutirão Azul, or the Blue Collective Effort, and integrates solutions for oceans, cities, water, and infrastructure, encouraging participation from governments, businesses, and communities to achieve tangible oceanic climate actions and commitments. The Mutirão spirit will now embody international efforts to reduce emissions and adapt to the impacts of climate change.

“I research physical oceanography and energy in the climate system. And what we would like to see out of this COP (Conference of Parties) is more focus on blue climate solutions,” says Kerstin Bergentz from the Scripps Institution of Oceanography, University of California San Diego.

She told IPS that if the world were to “implement all of the blue climate solutions that are out there, including protecting mangroves, restoring wetlands, investing in blue carbon in all shapes and sizes, and marine carbon dioxide removal, these blue climate solutions have the potential to provide 35 percent of the CO₂ emission reductions that we need to see by 2050 in order to meet our target of limiting global warming to 1.5 degrees Celsius.”

“Unfortunately, climate funding for ocean projects or ocean-based solutions is less than 1 percent at the moment. And so, what we would like to see is more focus on the ocean because the future is not just green—it is also blue.”

Anya Stajner, also from the Scripps Institution of Oceanography, University of California San Diego, told IPS that the ocean makes up “over two-thirds of our planet and it should no longer be a side conversation during these negotiations. The ocean is an important climate control. It absorbs up to 90 percent of the excess heat in the atmosphere, keeping our Earth 55 degrees cooler than it would be otherwise.”

Ocean currents, often referred to as the “great ocean conveyor belt,” transport warm water from the tropics toward the poles and cold water back toward the equator. This circulation helps distribute heat around the planet, moderating regional climates; without it, temperatures would be far more extreme.

“Some students at the Scripps Institution of Oceanography have done an analysis to see how often the ocean is mentioned in Nationally Determined Contributions—a country’s plan to reduce greenhouse gas emissions and adapt to the impact of climate change.”

“They found that while that number of mentions has risen and become more meaningful in the past five years, it is still not central enough to discussion.”

The Belém climate talks could turn the tide. The Brazilian Presidency’s appointment of Marinez Scherer as a Special Envoy for Oceans and the adoption of the Mutirão approach are bringing the ocean closer to the epicenter of global climate negotiations and diplomacy.

At COP30, the ocean is being increasingly positioned as a partner in mitigation and adaptation toward the protection of vulnerable coastal and island communities on the frontlines of the climate crisis.

Ocean financing at COP30 is a major focus, aiming to secure predictable, accessible, and targeted funding for ocean-based climate solutions and the sustainable blue economy.

Key goals include creating dedicated finance windows, integrating ocean health into national climate plans or Blue NDCs, and mobilizing public and private investment for ocean-based mitigation, adaptation, and science.

Blue NDCs are Nationally Determined Contributions that explicitly integrate ocean-based climate solutions. This emerged from the Blue NDC Challenge, an initiative launched by Brazil and France at the UN ocean Conference in Nice in June 2025, to urge countries to include ocean-focused climate actions in their national climate plans ahead of COP30. Said actions range from restoring coastal ecosystems and adapting maritime industries to promoting ocean-based renewable energy.

Eleven countries have already committed to the Blue NDC Challenge, including Brazil, France, Australia, Chile, Fiji, Kenya, Madagascar, Mexico, Palau, the Republic of Seychelles and the United Kingdom. Blue or green, NDCs are important because they are the core mechanism for countries to set and meet climate goals under the Paris Agreement. These countries have explicitly placed the ocean resource in their climate impact plan.

NDCs are the vehicles through which international commitments translate to national actions. Overall, as of the official opening of COP30 in Belem on November 10, 2025, more than 100 countries, representing at least 70 percent of global emissions, had tabled new NDCs. Among the G20—the world’s largest greenhouse gas emitters—12 had tabled their new NDCs.

Blue NDCs in particular facilitate the integration of the ocean into national climate goals, supporting initiatives like the Mangrove Breakthrough and strengthening ocean governance through frameworks like the BBNJ Agreement.

Like the Paris Agreement, the BBNJ Agreement is a legally binding international treaty for the conservation and sustainable use of marine biological diversity in areas beyond national jurisdiction or the high seas. Adopted in 2023, the BBNJ or the High Seas treaty will enter into force in early 2026 after reaching 60 ratifications.

At COP30, the High Seas Treaty is the most concrete ocean-related item on the table, and Brazil has committed to ratifying it by the end of this year. Overall, the treaty establishes a global framework for issues such as area-based management tools, including marine protected areas, environmental impact assessments, and equitable benefit-sharing from marine genetic resources.

“The High Seas Treaty is a win for multilateralism because it allows governments to work together to protect more of the oceans that go beyond our exclusive economic zones,” Stajner stressed.

“There has been a lot of talk at the last decades of COPs and we have plans and now it’s about pushing those plans forward. And I think the High Seas Treaty is an example of how that is moving forward.”

“And so, this COP is all about action and implementation for the ocean.”

This feature is published with the support of Open Society Foundations.

IPS UN Bureau Report

Excerpt:

If the world were to implement all of the blue climate solutions, including protecting mangroves, restoring wetlands, investing in blue carbon in all shapes and sizes, and marine carbon dioxide removal, it would result in a 35 percent reduction of the CO₂ emissions. —Ocean scientist Kerstin Bergentz