Purpose: This study aims to understand in what way international cooperation between universities and/or firms can be seen as a vehicle in the transfer of knowledge and innovation for implementation of environmentally sustainable practices. Design/methodology/approach: To do so, a qualitative approach was adopted, resorting to the case study method: the "EdgeWise" project. Data were obtained from interviews, documentation provided by partners and observation, and the content analysis technique was also used. Findings The results lead to the conclusion that this type of international cooperation is supported by solid dimensions, such as knowledge transfer and appropriate choice of partners. In addition, the dimension related to organisational culture is not considered a barrier in the cooperation process studied here, but rather as a form of learning among partners. Practical implications: The empirical evidence suggests that it will add value to the understanding of the various issues surrounding resources (water and energy) that differ from country to country. However, the administrative-bureaucratic dimension is identified as a barrier to this type of cooperation/project, with its analysis being suggested for future studies. Originality/value: This innovative study shows that the literature and the case study made identified various dimensions; motivations, barriers and drivers, of knowledge transfer, choice of partners and organisational culture. In addition, this study contributes for international universities-firms cooperation in sustainability area.