The Alliances Françaises UK is offering a free online lecture in French on a scientific topic, and on this occasion we are delighted to welcome Vincent Doumeizel, Ocean Advisor at the United Nations, where he leads the world’s first coalition dedicated to algae. An optimist and committed advocate, Vincent has for years been developing and promoting ocean-based food and climate solutions, particularly algae and plankton.

Author of *La révolution des algues* (Équateurs, 2022), translated into several languages and adapted into a comic book, he published *Le manifeste du plancton* in 2025, the result of a project led at the UN with leading experts in the field, which will be published in May 2026 under the title *The Power of Plankton*, Legend Times, in the UK.

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