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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 …

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 …

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 …

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 …

Abstract In this talk, I will describe experiments where an ultracold Fermi gas is strongly coupled to light in optical resonators. In such a system, virtual photon exchanges between atoms yield a long-range, all-to-all interaction leading to a number of …

Abstract Although the genome is often called the blueprint of an organism, it is perhaps more accurate to describe it as a parts list composed of the various genes that may or may not be used in the different cell types of a multicellular organism. …

Left: Mihirakula (r. 515-540), probable victim of the plague; right: Justinian (r. 527-565), who escaped. Kyle Harper has been invited by the Collège de France assembly at the suggestion of Pr Frantz Grenet. Lecture followed by discussion with Pr Frantz …