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The One Ocean Science Congress, organized by CNRS and IFREMER, will be held in Nice, France, from 3 to 6 June 2025. It is a UN Special Event serving as the scientific foundation of the Third United Nations Ocean Conference (UNOC3).
This four-day congress will generate science-based outcomes and recommendations to support the global discussions at UNOC3. It will feature a mix of plenary sessions, including opening and keynote speeches, alongside parallel oral and poster presentations. To enhance interactions between science and society, action and policy, and to engage civil society more broadly, ‘townhalls’ such as panels and roundtables will also be arranged.
✉️ Enquiries: enquiries@one-ocean-science-2025.org
The Ocean Decade at the One Ocean Science Congress
As a key partner of the One Ocean Science Congress, the Ocean Decade and UNESCO’s Intergovernmental Oceanographic Commission (UNESCO-IOC) are co-organising several sessions. Ocean Decade and UNESCO-IOC representatives will be on-site in Nice to take part in events and connect with ocean scientists and experts.
Please find below the list of Townhall Meetings that are either organised by the Ocean Decade and UNESCO-IOC, or that focus on the Ocean Decade’s mission, impact and future:
Townhall Meeting 1 – From Barcelona to Nice and beyond: science and knowledge for action through the Ocean Decade, Tue, 03 Jun, 12:45–13:45 (CEST) | Room 1 – UNESCO-IOC/Ocean Decade Coordination Unit
Townhall Meeting 4 – Funding research at multi-levels to contribute to the objectives of The Ocean Decade, Wed, 04 Jun, 09:00–10:00 (CEST) | Room 4 – French National Research Agency | This Townhall Meeting will be moderated by Alison Clausen, Deputy Coordinator of the Ocean Decade at UNESCO-IOC.
Townhall Meeting 6 – A Holistic Approach to Tackling the Rise of Harmful Algal Bloom (HAB) Impacts Worldwide, Wed, 04 Jun, 12:45–13:45 (CEST) | Room 7 – Scripps/Ifremer
Townhall Meeting 7 – Moving towards integrated evaluation approaches in support of ocean policy, Wed, 04 Jun, 12:45–13:45 (CEST) | Room 8 – ICES/PICES
Townhall Meeting 10 – Capacity Development in the UN Ocean Decade ECOP Programme: successes, challenges, and ways forward, Wed, 04 Jun, 12:45–13:45 (CEST) | Room 4 – Early Career Ocean Professionals Programme
Townhall Meeting 19 – Launching the International Platform for Ocean Sustainability (IPOS): Weaving knowledge systems to accelerate ocean action, Tue, 03 Jun, 12:45–13:45 (CEST) | Room 7 – IPOS (European Marine Board/CNRS/Costa Rica)
Townhall Meeting 21 – Marine Knowledge at the Fingertips of our Communities: Designing Digital Twins of the Ocean, Wed, 04 Jun, 12:45–13:45 (CEST) | Room 2 – This townhall is proposed jointly by the European Commission, the DITTO Decade programme and the G7 Future of the Seas and Ocean working group.
Townhall Meeting 24 – Call for action to advance ocean prediction capabilities for the benefits of society, Wed, 04 Jun, 09:00–10:00 (CEST) | Room 3 – Mercator Ocean International
Townhall Meeting 31 – Optimising the potential of aquatic food systems – Science needs for a Blue Transformation, Thu, 05 Jun, 12:45–13:45 (CEST) | Room 5 – Working Group 3 of the Ocean Decade Vision 2030 process
Townhall Meeting 33 – Blue Carbon in the Global Ocean, Thu, 05 Jun, 12:45–13:45 (CEST) | Room 7 – Global Ocean Decade Programme for Blue Carbon (GO-BC)/UNESCO-IOC/IAEA