World Ocean Day 2025: Spain promotes the high seas treaty and active national measures to protect the ocean. He June 8 The World Ocean Day 2025this year under the United Nations motto: “Wonder: holding what holds us”.
A reminder that oceans They generate more than 50% of the oxygen we breathethey absorb almost a third of the issued CO₂ by human activity and regulate the temperature of the planet.
In addition to their climate role, oceans support 80% of known biodiversity And they are the main livelihood of millions of people in the world, from coastal communities to large economies based on fishing, transport and tourism.


Spain promotes the high seas treaty at the UN
In this 2025, the global appointment for marine protection charges even more relevance. Spain reaches the United Nations Conference on Oceans in Nice (June 9–13) as one of the most active countries in the impulse of High seasan international agreement to protect biodiversity in international waters.
Spain was the First EU member to ratify the treatywhich needs 60 ratifications to enter into force. Until May 2025, only 9 countries They have ratified it. From the UN, an active diplomatic role to unlock the process has been requested from Spain.
Onuc3 2025
In the center of the Onuc3 There will be such important issues as: high seas governance, underwater mining and Sustainable fishing. This conference should be an opportunity to address the challenges that intergovernmental cooperation currently touches superficially.
One of the problems that should not be avoided is that of the pollution Marina caused by activities carried out on land. Currently, it is estimated that land sources contribute approximately 77% of it. The marine environment continues to receive unacceptable levels of contaminants through underground, river and atmospheric vectors.
Another of the issues to be addressed should be coastal and maritime tourism, one of the fastest growing sectors in the world, which has significant impacts on the nature and well -being of communities and, in general, is usually kept away from the scope of international debates on the well -being of the oceans.
In addition, in this 2025 the international community will commemorate the 30th Anniversary of the Washington Declaration and the launch of the World Action program for the protection of the marine environment against land pollution. This important milestone coincides with the organization of the Onuc3.