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Keywords = wool vs. polyester

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18 pages, 1067 KB  
Article
Legacy Datasets and Their Impacts: Analysing Ecoinvent’s Influence on Wool and Polyester LCA Outcomes
by Mitali Nautiyal, Donna Cleveland, Amabel Hunting and Amanda Smith
Sustainability 2025, 17(14), 6513; https://doi.org/10.3390/su17146513 - 16 Jul 2025
Cited by 3 | Viewed by 4289
Abstract
Accurate and transparent Life Cycle Assessment (LCA) datasets are essential for reliable sustainability evaluations, particularly in the complex and varied textile industry. Historically, the ecoinvent database has been a foundational source for LCA studies in the textile sector. This paper critically examines the [...] Read more.
Accurate and transparent Life Cycle Assessment (LCA) datasets are essential for reliable sustainability evaluations, particularly in the complex and varied textile industry. Historically, the ecoinvent database has been a foundational source for LCA studies in the textile sector. This paper critically examines the limitations of the ecoinvent v3.7 dataset, which is widely used in academic research, industry tools, and policymaking. While newer versions, such as v3.11, released in 2024, have addressed many issues, including enhanced geographical representation and updated emission profiles for chemicals, this study emphasises the historical implications of earlier data versions. By comparing the cradle-to-gate Global Warming Potential (GWP) of wool and polyester jumpers, this research reveals how aggregated and outdated data underestimated the polyester’s environmental impact while overestimating that of wool. These discrepancies have shaped fibre certification, eco-labelling, and consumer perceptions for years. Understanding the legacy of these datasets is vital for re-evaluating past LCA-based decisions and guiding future assessments toward greater regional relevance and transparency. Full article
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