Dear Colleagues, A short update about the session 2i "*Origins and planetary budgets of volatile elements in the Earth's interior: accretion, degassing, ingassing*" at the upcoming Goldschmidt, Lyon, 4-9 July 2021 (France). *M. Hirschmann* is the keynote speaker. *R. Fischer & D. Grewal* will give invited talks. *B. Marty, *recipient of the Goldschmidt award, will give a medal lecture (45 min). *F. Gaillard*, recipient of the Ringwood award, will give a medal lecture (20 min). *Session Description (2i):* The Earth’s surface, the mantle, and possibly, the core, are major reservoirs for volatile elements (ie. elements with a strong affinity for the gas phase). This session aims at identifying the concentration and isotopic composition of these elements in the Earth's reservoirs and how and when such volatile budgets were set in the terrestrial planets. The initial volatile budgets in those reservoirs and how they evolved in time has important implications for understanding the genesis and evolution of planet Earth and other planetary bodies (including the Moon). This, however, requires the reconstruction of 4.5 Gyrs of geological processes involving volatiles. These processes include the early and late planetary accretion, core - magma ocean evolution, surficial degassing, atmospheric losses and deep volatile transfers associated to the various styles of mantle convection and, eventually, lithospheric recycling. To this end, we invite contributions from all domains of planetary sciences, including, but not limited to, analytical geochemistry, experimental petrology, numerical modeling, and remote observations. Submissions from early career scientists and underrepresented groups are strongly encouraged. *Conveners*: Fabrice Gaillard, Alberto Saal, Lena Noack, Ali Bouhifd You may already be aware that this meeting will be a hybrid format with both onsite and online actions. T*he deadline for **abstract submissions is February 26th* and you will be asked, in addition to the classical oral/poster choice, to specify whether your plan an onsite or online contribution. At this stage however, this remains a flexible choice that can be modified later, in spring. Submit your abstract here : https://2021.goldschmidt.info/goldschmidt/2021/02/papers/index.cgi?sessionid=1900 Looking forward to seeing you at this exciting session and in the beautiful city of Lyon. Lena, Alberto, Ali and Fabrice.