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This paper aims to explain the relevance of science-society interfaces and their potential for higher education institutions to engage stakeholders in supporting sustainable change in cities, via the transdisciplinary learning and teaching approach of the Regional Centre of Expertise on Education for Sustainable Development Vienna.

This case study stresses new forms of transdisciplinary learning and teaching as essential drivers of a sustainable urban development. The inter- and transdisciplinary teaching course “Sustainability Challenge”, which has been offered since 2010 as a collaborative project by the four largest universities of Vienna, highlights the value of experienced-based learning approaches and the method of service learning. Special attention is devoted to the opportunities and challenges of the setting provided by the applied science-society interface and the particular method of service learning with its concrete benefits for the city of Vienna.

In analyzing the conceptual framework of the teaching course as well as conducted service learning projects, the authors prove potential benefits of transdisciplinary learning and teaching for real answers to urban sustainability challenges. Portraits of the most successful service learning projects are presented, with partners such as the City of Vienna, an organization and one enterprise. Lessons learned from the case study and key elements of the institutionalized umbrella function of science-society interfaces that provide prerequisites for applying transdisciplinary learning and teaching are shown.

Finally, main requirements, challenges and necessary institutional settings for transdisciplinary learning and teaching are summarized.

This study aims to share experiences of an easy to adapt service-learning approach in a graduate course on life cycle assessment (LCA). Specifically, it reports on how students helped the university’s cafeteria to assess meals by conducting an LCA for 25 meals and identifying environmental hotspots.

A descriptive case study of a graduate course at Ulm University is presented. The course included lectures and problem-based exercises, both theoretical and software assisted. A course evaluation was conducted during the course and one year after completion to poll improvement potentials, as well as its impacts on students’ everyday life.

It was found that although it was the first LCA for all students, the resulting LCA information of 25 different meals were homogeneous, comparable to the scientific literature and beneficial to the cafeteria’s sustainable development strategy. The concept of service-learning had a higher impact on students’ motivation than a good grade and active-learning is explicitly requested by students. The course design sensitized students to the real-life problems of LCA and made their consumption patterns more elaborate and ecological. Furthermore, this digitization of higher education could be carried out with only minor changes in the present COVID-19 pandemic situation.

As the subject of service-learning in natural sciences is still expandable, this study presents an easy to adapt case study on how to integrate such an approach into university curricula dominated by traditional learning. To the best of the authors’ knowledge, this case study presents the first published LCA university course explicitly describing and evaluating a service-learning approach. The topic touches the everyday lives of students, allows comparisons between different student groups, is easily scalable to different group sizes and credits, and supports learning both how to study in small groups and cooperation between groups to ensure comparability of LCA results.