Journal
JOURNAL OF INDUSTRIAL ECOLOGY
Volume 25, Issue 5, Pages 1300-1317Publisher
WILEY
DOI: 10.1111/jiec.13125
Keywords
data; industrial ecology; plastics; plastics waste; societal metabolism; stock and flow
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This review identifies data gaps and research needs in characterizing plastics stocks and flows across different lifecycle stages. The study highlights the importance of common data sharing platforms, standard methods for data reconciliation, consistent data collection, and new approaches for data curation. These findings aim to develop a comprehensive characterization of plastics stocks and flows for addressing sustainability challenges related to plastics production, consumption, waste, and pollution.
The production, consumption, and waste of plastics have been rapidly growing worldwide in the last decades. A variety of data are needed to characterize plastics stocks and flows across space, time, and life cycle to derive insights for developing strategies to address various sustainability challenges from plastics and plastics waste. Here we review data sources on plastics stocks and flows to identify data gaps and research needs. We categorize the reviewed data sources by life cycle stages of plastics including material production, semi-manufacturing, manufacturing, additives, consumption, in-use stock, end-of-life, waste treatment, and trade. We identify four data gaps in these existing data for characterizing plastics stocks and flows, including inconsistent classification, missing data, conflicting data, and inexplicit data for plastics products and waste. These data gaps represent critical research needs including common platform for data sharing, standard methods for data reconciliation and estimation, consistent data collection and reporting, and new approaches for data collection and curation. This review establishes the state-of-the-art of plastics stock and flow data and develops a roadmap for a high-quality, comprehensive characterization of plastics stocks and flows to develop management strategies to address the sustainability challenges of plastics production, consumption, waste, and pollution.
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