3rd UN Ocean Conference Nice
The 3rd UN Ocean Conference (UNOC3) will take place in Nice, France, from June 9 to 13, 2025. This pivotal event will bring together global leaders, scientists, policy-makers, and ocean advocates to drive solutions for the preservation and sustainable use of our oceans. Stay tuned for event details and highlights as we prepare for this crucial gathering to shape the future of our oceans.
Seabed Mapping: Enabling Ocean Action
The theme for World Hydrography Day 2025 "Seabed Mapping: Enabling Ocean Action" underscores the critical role of ocean mapping in achieving sustainable ocean use. In line with this, the IHO will be involved in several events at UNOC 3. This page will be updated as information is confirmed.
Related Events
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In parallel, France and Monaco will be hosting related events focusing on the sustainable use of marine resources and the blue economy. One Ocean Science Congress (3–6 June 2025, Nice)
A special UNOC3 event dedicated to science, aimed at providing heads of state, governments, and the broader society with comprehensive scientific insights into the ocean’s health and future trajectory. The congress will feature a mix of plenary sessions, keynote speeches, oral and poster presentations, as well as townhalls and roundtable discussions.
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Blue Economy & Finance Forum (7–8 June 2025, Monaco)
The ocean’s socio-economic and geopolitical significance is growing exponentially. An estimated annual investment of USD 175 billion is required to transition the maritime economy into a sustainable and inclusive sector. This transformation will demand stronger collaboration between the private sector, governments, intergovernmental organizations, and civil society. This forum will bring together key actors to develop the enabling environment necessary for mobilizing large-scale investments and making this blue transformation a reality.
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