2026 Tideline Startup Challenge

AI for Ocean & Coastal Cities


The French Ministry for the Ecological Transition’s Ecolab, in partnership with French Public Investment Bank Bpifrance‘s EuroQuity platform and Coastal Cities NGO Waves of Change, officially launched the 2026 Tideline Startup Challenge. This global competition seeks open-source, AI-powered solutions that support climate adaptation and mitigation efforts in coastal territories and small island developing States (SIDS). During the June 1-2 finals held at Waves of Change International Forum for Coastal Cities in Biarritz – FR, projects demonstrating how AI is being used responsibly to address coastal-related challenges in innovative, impactful, and context-specific ways will be rewarded.

    • Limited registrations open until May 7 2026 on a first come first served basis.
    • Waves of Change, Ecolab & Bpifrance Euroquity

    Solution for low-emission and/or Climate-Resilient Development for Coastal Territories in:

    • Coastal Adaptation
    • Water Management
    • Waste Management & Circularity
    • Sustainable Mobility
    • Energy Transition
    • Sustainable Tourism & Local Communities
    • Biodiversity & Public Health
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