On March 20, 2026, a free excursion to Freiburg will take place for Eucor students, focusing on the theme of sustainability and a tour of the Vauban eco-district. Participants require proficiency in English as well as German or French (B1 level) and can register for the event until March 13. The day is organized as part of the "Printemps de la transition écologique" (Spring of Ecological Transition), with travel cost reimbursement potentially available.