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The literature on the evaluation of environmental performance within the circular economy (CE) domain is notably extensive, encompassing a considerable body of work spanning guidelines, case studies and software tools. Nonetheless, a comprehensive overview that encompasses the entirety of the knowledge landscape in this area remains notably absent. To address this scholarly gap, the present study undertakes a scoping review. Departing from previous inquiries which have predominantly focused on scholarly literature, the study amalgamates diverse knowledge sources. Through a meticulously orchestrated search and analysis process that integrates insights from academic databases and other knowledge reservoirs in the Australian context, a compendium of 249 indicators is delineated. As one of the pioneering endeavours of this nature, this study functions as a contemporary reference, catering to researchers, policy makers and practitioners, while providing multifaceted perspectives on assessing environmental ramifications within CE research. In theoretical terms, this investigation makes an in-depth contribution to the CE field by introducing a methodical and all-encompassing framework, interlinking life cycle phases and system boundaries for environmental evaluation within the CE paradigm. The findings furnish a reliable catalogue of 12 pivotal themes that merit prioritisation in the evaluation of environmental impacts tied to CE strategies. On a practical level, the study yields valuable instruments for researchers, practitioners and policy makers, equipping them with the means to gauge the efficacy of their CE endeavours, thereby facilitating data-driven decision-making processes.
Muñoz et al. (Sun,) studied this question.