“…The training of this university communities involves the scientific research, from the design to the production of contents for the public communication of science in the public, productive and social sectors. The central assumption was defined as follows: this training model is a social innovation for sustainability training of practice communities because it promotes self-knowledge, social solidarity and digital competences through science and art, and their participatory action-research approach transcends the university walls (Bazan et al , 2020; Gupta et al , 2020; Martens et al , 2020; Martzoukou et al , 2020; Lorenzo et al , 2020; Tabares, 2020; Silvestre and Ţîrcă, 2019). Based on the effects of the innovation impact on the performance of sustainability – environmental, economic and social dimension (Kuzma et al , 2020), this experience in the sustainability training was evaluated as social innovation – critical interaction, shared values, social responsibility, digital competences and sustainability practice; furthermore, the direct and indirect contributions of their projects on SGDs were analysed.…”