A central task of transdisciplinary sustainability research – which combines social relevance with scientific excellence – is the communication of research results. Within the framework of this knowledge transfer, we provide learning spaces in which we address these needs for knowledge with the help of suitable formats. This includes the recording of the actors’ needs for knowledge as well as imparting research results at the interfaces between science and society or science and politics and the for the dialogue with civil society, politics and business. Our understanding of knowledge transfer thus explicitly goes beyond a purely supply-oriented interpretation of the concept of transfer: for us, joint learning processes take centre stage in our work. Keywords such as “diversity and change of perspective”, “action orientation” and “appropriation of competence” characterize our transfer formats, which are based on current findings in learning and transformation research. These transfer formats include the transdisciplinary education project “Frankfurt Sustainability Laboratory for Schools”, the “DesignLabs for a Sustainable Frankfurt” as well as the format of the Learning Expeditions with the aim to impart knowledge to decision-makers and experts in the context of water supply and disposal.