David, EmmanuellePoirier, ClémenceBenjamin GuyotAndreas LoschMiles TimpeGhesquière-Diérickx, ThibaultArthur WoodsUdriot, Mathieu Jean-PierreVerkammen, Marnix Hendrik GSusanne WampflerRomain BuchsPrice, Andrew LawrenceHellmich, StephanMarco LangbroekRoger SpinnerThomas SchildknechtKarin TreyerRachith, Elisabeth Andréa CécileMerve Erdem BurgerAndré GalliAubert, Josué SamuelGenin, AurélienValentin MeierBélanger Villanueva, SebastianFrolova, AngelinaPatrick SmitFederico Di VrunoEnrico ChestaThomas RimbotAdrian JäggiLuı́s GonçalvesPierre-Alexis JoumelKees van der PolsCrichton, Carolyn MarieKneib, Jean-PaulHannah Besser2025-07-012025-07-012025-07-012025-06-252025-01-09https://infoscience.epfl.ch/handle/20.500.14299/251791The first Swiss Space Sustainability Research Days, held from January 6–8, 2025, in Les Diablerets, brought together over 50 experts from Swiss research institutions and industry. Participants explored key topics including the environmental impact of space activities, innovations in sustainable space technologies, as well as ethical and policy considerations. This book of abstracts presents the summaries of the presentations and posters shared during the three-day event.enSpace sustainabilityspace debrisradio astronomyzero debrissatellitesspace safetylife cycle assessmentspace trafficSpace-Based Solar PowerSpace Situational AwarenessDark and Quiet SkiesSatellite Constellationsspacecraft mission designOn-Orbit Refuellingtext::conference output::conference proceedings