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François-Marie Bréon
Conclusions and end of the symposium
Symposium
Event
5:20 - 6:00pm

Pierre Alexandre Royoux
Geoengineering from a political perspective
Symposium
Event
Abstract After a brief introduction to the CGDD, the research sub-department and their involvement in geoengineering, this talk will present current French positions on the two main families of techniques, carbon removal (EDC) and solar radiation …
3:50 - 4:35pm

Samantha Besson
Geoengineering under international law
Symposium
Event
Abstract Marine geoengineering (the specific subject of this talk) is one of the scientific techniques that could ultimately help combat global warming. As such, it is the subject of this symposium. However, it also presents a serious and irreversible …
2:45 - 3:30pm

Fabrice Del Corso
CO2, from use to geological storage
Symposium
Event
Abstract CO 2 is a molecule that has already been used on a large scale for decades for a variety of applications: chemistry, agri-food, plant growth, extinguishing agent, water treatment... The geological storage of CO 2 has also been implemented for …
2:00 - 2:45pm

Caroline Thaler
Negative emissions: the startup ecosystem in France
Symposium
Event
Abstract Achieving carbon neutrality (Net Zero) by 2050 requires, in addition to massive emissions reductions, the development of tools to actively remove CO 2 from the atmosphere. So-called "negative emissions" technologies have become an indispensable …
12:15 - 1:00pm

Nicolas Viovy
Carbon capture and storage by terrestrial ecosystems and nature-based solutions
Symposium
Event
Abstract Most scenarios developed to limit global warming involve negative emissions, i.e. the sequestration of carbon dioxide from the atmosphere. In this context, ecosystems, which currently absorb almost a quarter of our emissions, represent one of the …
11:30am - 12:15pm

Éric Lambin
Changes in solar radiation: risks, uncertainties and governance
Symposium
Event
Abstract A commonly discussed form of geoengineering is the modification of solar radiation. A number of technologies could be used to reduce solar radiation incident on the Earth in order, in theory, to counteract global warming. In 2024, the European …
10:20 - 11:10am

Francis Albarède
Geoengineering assessment at the Academy of Sciences
Symposium
Event
Abstract This presentation explores geoengineering – a set of ideas aimed at cooling the planet if cutting greenhouse gas emissions isn’t enough to stop climate change. It looks at two main strategies: Solar Radiation Management (SRM) and Carbon Dioxide …
10:00 - 10:20am

François-Marie Bréon
Geoengineering. Why - how - why not
Symposium
Event
Abstract François-Marie Bréon will introduce the conference by recalling the context of ongoing climate change and the need to limit warming to less than 2 degrees. He will describe the concept of geo-engineering, distinguishing between techniques aimed …
9:30 - 10:00am

The Mecca Koran (continued)
François Déroche, chair History of the Koran. Text and transmission
Lecture
Series
Copy of the Dala'il al-Khayrat of al-Jazuli. Tripoli (Lebanon), 1160/1747, by Muhammad known as al-Khulusi. Courtesy of the Farjam Collection …
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Readings from Ge Hong'sBaopuzi (continued)
Anne Cheng, chair Chinese Intellectual History
Seminar
Series
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Climate change : how do we know what we know ?
François-Marie Bréon, chair Avenir Commun Durable
Seminar
Series
Image taken with AI. Even if the reality of the causes and potential consequences of climate change is virtually unchallenged, few people are aware of the observations, analyses and validations that have led to scientific consensus. In this lecture, we …
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Climate change : how do we know what we know ?
François-Marie Bréon, chair Avenir Commun Durable
Lecture
Series
Image taken with AI. Even if the reality of the causes and potential consequences of climate change is virtually unchallenged, few people are aware of the observations, analyses and validations that have led to scientific consensus. In this lecture, we …
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" There cannot be two suns in the sky, nor two princes for one country " : despotism and monism in China
Anne Cheng, chair Chinese Intellectual History
Lecture
Series
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What is biological information ?
Thomas Lecuit, chair Dynamics of Living Systems
Lecture
Series
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Will cinema disappear ? Can cinema continue ?
Patrick Boucheron, chair History of Powers in Western Europe, 13th-16th century
Symposium
Series
Marin Karmitz, on the set of his film, Camarades (1969). Marin Karmitz, MK2, a journey through cinema Meetings and international symposium organized by Collège de France, École normale supérieure, PSL and MK2, October 15-18, 2024. October 15 at ENS : …

Religions and migration
François Héran, chair Migrations and Societies
Seminar
Series
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Miguel de Unamuno. Nationalism and cosmopolitanism
Carlo Ossola, chair Modern literature of Neolatin Europe
Symposium
Series
Miguel de Unamuno. International and interdisciplinary colloquium co-organized by Hélène Dewaele Valderrábano, Bernard Franco and Carlo Ossola. With the support of CRLC EA4510 (Centre de Recherche en Littérature Comparée), SIRICE UMR 8138 and Collège de …

Applied mathematics
Pierre-Louis Lions, chair Partial Differential Equations and Applications
Seminar
Series
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Stochastic control with unknowns
Pierre-Louis Lions, chair Partial Differential Equations and Applications
Lecture
Series
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Claire Wyart
Decoding individual variability in motor strategies during navigation
Symposium
Event
5:10 - 5:50pm

David Brueckner
Self-organized information flow in stem cell patterning
Symposium
Event
4:30 - 5:10pm

Didier Fassin
Certify
Lecture
Event
3:15 - 4:15pm

Aleksandra Walczak
Precision in a rush: temporal aspects of decision making
Symposium
Event
3:20 - 4:00pm