Thursday 15 May 2025 Salle 5, Site Marcelin Berthelot Open to all, subject to availability 09:15 - 09:30 Skip youtube video player Listen to audio Download audio Audio recording AbstractMarc Fontecave will briefly describe the background to the Avenir Commun Durable chair, which he helped create and which is hosting this symposium. Speaker(s) Marc Fontecave Professor at the Collège de France Events Previous The Collège de France, inheriting the future Marc Fontecave Symposium 15 May 2025 09:15 to 09:30 Geoengineering. Why - how - why not François-Marie Bréon Symposium 15 May 2025 09:30 to 10:00 Geoengineering assessment at the Academy of Sciences Francis Albarède Symposium 15 May 2025 10:00 to 10:20 Changes in solar radiation: risks, uncertainties and governance Éric Lambin Symposium 15 May 2025 10:20 to 11:10 Carbon capture and storage by terrestrial ecosystems and nature-based solutions Nicolas Viovy Symposium 15 May 2025 11:30 to 12:15 Negative emissions: the startup ecosystem in France Caroline Thaler Symposium 15 May 2025 12:15 to 13:00 CO2, from use to geological storage Fabrice Del Corso Symposium 15 May 2025 14:00 to 14:45 Geoengineering under international law Samantha Besson Symposium 15 May 2025 14:45 to 15:30 Geoengineering from a political perspective Pierre Alexandre Royoux Symposium 15 May 2025 15:50 to 16:35 Ethical issues surrounding geoengineering Éric Guilyardi Symposium 15 May 2025 16:35 to 17:20 Conclusions and end of the symposium François-Marie Bréon Symposium 15 May 2025 17:20 to 18:00 Next See also François-Marie Bréon, chair Avenir Commun Durable Geoengineering at a glance