“…During the years the OPEDUCA-concept met ever more support, understanding students shall learn in a transdisciplinary learning environment, steadily researching and integrating real world needs and perspectives to develop competencies that enable them to solve complex sustainability problems in their further careers (Biberhofer & Bockwoldt, 2016;Dlouhá, Barton, Huisingh, & Adomssent, 2013;Kolenick, 2018). Seeing ESD to develop towards a more transformative, cooperative, learner-driven education (Brezet, 2009;A. Gough, 2021;Herranen, Vesterinen, & Aksela, 2018;von Koerber et al, 2018).…”