High-resolution life cycle carbon footprint analysis for footwear products underpinned by on-site measured data

IF 11.2 1区环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL

Resources Conservation and Recycling Pub Date : 2025-05-13 DOI:10.1016/j.resconrec.2025.108376

Bingqian Zhang , Chen Feng , Yacong Hu , Fan Li , Tina Wu , Shawn Li , Kun Yan , Zeshi Feng , Yao Shi , Jinping Tian , Lyujun Chen

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Abstract

Quantifying footwear carbon footprints is crucial to carbon mitigation due to >20 billion pairs of global production annually. In light of complexities of footwear manufacturing, few studies have reported the carbon footprint of footwear in high resolution. This study developed a detailed cradle-to-grave carbon footprint accounting method based on on-site measurement of materials, energy, transportation, and waste for two representative products. A spreadsheet-based life cycle assessment (LCA) model was developed with over 1500 data entries, incorporating 79 materials and the electricity use from 131 sets of equipment across 169 processes. The Pareto’s 80/20 rule was applied to classify the extensive material inventories. The mass and energy flows of footwear production, along with carbon footprints and 10 other environmental impact categories, were carefully analyzed. This study also evaluated the impacts of emission factors from four LCA background databases. Measures to reduce footwear carbon footprints and policy implications were discussed.

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基于现场测量数据的鞋类产品高分辨率生命周期碳足迹分析

由于全球每年生产200亿双鞋，量化鞋类的碳足迹对减少碳排放至关重要。鉴于鞋类制造的复杂性，很少有研究报道高分辨率的鞋类碳足迹。本研究开发了一种详细的碳足迹核算方法，该方法基于对两种代表性产品的材料、能源、运输和废物的现场测量。基于电子表格的生命周期评估（LCA）模型开发了超过1500个数据条目，包括79种材料和169个过程中131套设备的用电量。运用帕累托80/20法则对大量材料库存进行分类。研究人员仔细分析了鞋类生产的质量和能量流，以及碳足迹和其他10个环境影响类别。本研究还评估了4个LCA背景数据库中排放因子的影响。讨论了减少鞋类碳足迹的措施和政策影响。

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来源期刊

Resources Conservation and Recycling 环境科学-工程：环境

CiteScore

22.90

自引率

6.10%

发文量

625

审稿时长

23 days

期刊介绍： The journal Resources, Conservation & Recycling welcomes contributions from research, which consider sustainable management and conservation of resources. The journal prioritizes understanding the transformation processes crucial for transitioning toward more sustainable production and consumption systems. It highlights technological, economic, institutional, and policy aspects related to specific resource management practices such as conservation, recycling, and resource substitution, as well as broader strategies like improving resource productivity and restructuring production and consumption patterns. Contributions may address regional, national, or international scales and can range from individual resources or technologies to entire sectors or systems. Authors are encouraged to explore scientific and methodological issues alongside practical, environmental, and economic implications. However, manuscripts focusing solely on laboratory experiments without discussing their broader implications will not be considered for publication in the journal.