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 9:15 - 9:30am Geoengineering. Why - how - why not François-Marie Bréon Symposium 15 May 2025 9:30 - 10:00am Geoengineering assessment at the Academy of Sciences Francis Albarède Symposium 15 May 2025 10:00 - 10:20am Changes in solar radiation: risks, uncertainties and governance Éric Lambin Symposium 15 May 2025 10:20 - 11:10am Carbon capture and storage by terrestrial ecosystems and nature-based solutions Nicolas Viovy Symposium 15 May 2025 11:30am - 12:15pm Negative emissions: the startup ecosystem in France Caroline Thaler Symposium 15 May 2025 12:15 - 1:00pm CO2, from use to geological storage Fabrice Del Corso Symposium 15 May 2025 2:00 - 2:45pm Geoengineering under international law Samantha Besson Symposium 15 May 2025 2:45 - 3:30pm Geoengineering from a political perspective Pierre Alexandre Royoux Symposium 15 May 2025 3:50 - 4:35pm Ethical issues surrounding geoengineering Éric Guilyardi Symposium 15 May 2025 4:35 - 5:20pm Conclusions and end of the symposium François-Marie Bréon Symposium 15 May 2025 5:20 - 6:00pm Next See also François-Marie Bréon, chair Avenir Commun Durable Geoengineering at a glance