Haakonsson, S.; Jørgensen, B. H.; Chen, G.; Zhao, H. 1. Introduction and Background. In The SDC International Report 2020 : Cooperating for Energy Transition; Holst Jørgensen , B. ., Haakonsson, S. ., Zhao, H., Chen, G. ., Eds.; Rapporter; Aarhus Universitet: Aarhus, DK, 2020; p. 8. https://doi.org/10.7146/aul.395.143.