This is the repository of the academic and public outputs of the HEREGREEN project, a series of three workshops held in Kristiansand (Norway), Tampere (Finland) and Linköping (Sweden) between 2023 and 2025. The project was a cooperation between University of Agder, Linköping University, Tampere University, and Aalborg University, funded by the Joint Committee for Nordic research councils in the Humanities and Social Sciences (NOS-HS).