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Review of the Hackathon Participatory Science for the Ocean, June 2025 in Nice

Step and Go, the NGO Objectif Sciences International, Université Côte d’Azur and Alliance Française Nice Côte d’Azur, together with the City and the Metropolis of Nice, organized a 10-day international Hackathon in June 2025, in parallel with the 3rd United Nations Ocean Conference. Students, researchers, NGOs, policymakers and citizens from around the world co-created concrete participatory science projects for the preservation and resilience of the oceans.

The Hackathon Participatory Science Step One for the Ocean gathered in Nice, from June 3 to 12, 2025, participants from all horizons to imagine and develop innovative solutions for the oceans. Led by Objectif Sciences International, with its Special Consultative Status with the UN (ECOSOC), and Université Côte d’Azur (Faculty of Management Sciences), within the framework of the United Nations Ocean Conference, this unique event brought together scientific expertise, citizen creativity and institutional engagement. Through workshops, mentoring and networking, it generated promising projects designed to influence international policies and practices for a living and sustainable ocean.

10 intense days

A Hackathon from June 3 to 12, 2025, held in parallel with the UN Conference.

30 to 150 participants

Students, researchers, NGOs, artists and decision-makers from around the world, participated in a module or over the entire duration.

6 flagship projects

Innovative solutions for ocean preservation and resilience.

20+ modules

Workshops and training led by international experts.

2 official UN side events

Official Hackathon presentations within the UN Conference framework.

3 key venues

University campus, UNOC zones and partner locations in Nice.

30+ speakers

Mentors, professors, UN and NGO experts supporting the teams.

Interdisciplinary

Work conducted in French and English, open to all disciplines.

Official restitution

Projects presented to policymakers and international stakeholders.

Towards the Ocean COP

A milestone towards the Ocean COP 2026 and the UN Decade of Ocean Science.

Find on this link the official Hackathon report by Université Côte d’Azur.

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