Abstract

A greater quantity and variety of materials are being produced worldwide to meet demand for consumer products, buildings and infrastructure. Additionally, highly diffused products such as cars and electronics have become materially complex and depend on numerous scarce metals. Consequently, managing the societal supply of a variety of materials and metals sustainably is becoming increasingly important. This includes the use of efficient and effective waste management. However, the current management of waste in general and of waste consumer products specifically, have been pointed out as requiring significant developments to become more advanced to cope with the increasing material complexity. It has also been pointed out that research taking systems perspectives is crucial to improve waste management. Additionally, researching change processes and the co-evolution of social and technical factors (i.e., socio-technical change), has furthered the understanding of how ‘green’ industries develop in other empirical fields. Consequently, both systemic and socio-technical perspectives are likely relevant to waste management research. We used the Scopus database to search for 31 research approaches associated with such perspectives in journal articles writing about waste management in general, waste electrical and electronic equipment (WEEE) or end-of-life vehicles (ELVs). We conclude that, although the majority of the examined research does not mention the considered approaches, some environmental system analysis approaches are frequently mentioned and show signs of growth in adoption. In contrast, socio-technical approaches are scarcely mentioned. Consequently, we argue that there are relevant scientific tools yet to be adopted in waste management, WEEE and ELV research.

Highlights

  • A greater quantity and variety of materials and metals are being produced worldwide to meet demand for consumer products, buildings and infrastructure [1,2]

  • We searched for current use, and trends in use, of environmental system analysis (ESA) and socio-technical (ST) change research approaches within three empirical waste management fields: (1) waste management in general (WM), (2) waste electrical and electronic equipment (WEEE), and (3) end-of-life vehicles (ELVs)

  • Systemic and socio-technical research approaches may play important roles in research associated with waste management in general and with WEEE and ELV management, the share of publications mentioning these approaches is low in current research

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Summary

Introduction

A greater quantity and variety of materials and metals are being produced worldwide to meet demand for consumer products, buildings and infrastructure [1,2]. The demand for some scarce metals in particular has been associated with concerns over potential metal supply disruptions to some regions (e.g., EU, Japan, U.S.), since the mining of many scarce metals is concentrated to a few countries outside these regions [3,4]. The increasingly widespread use of complex materials and scarce elements is saliently exemplified by products such as cars and electronic devices, which depend on multiple steel and aluminium alloys, a variety of plastics, and numerous scarce metals [6,7,8,9,10]. Waste streams are becoming more complex [11]. Efficient and effective waste management and the recovery of materials and scarce metals have been pointed out as key to achieve resource sustainability and a circular economy [2,3,12,13,14]

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