Can online-shopping achieve the goal of reducing CO2 emissions? Evidence from China

IF 7.3 1区工程技术 Q1 ENVIRONMENTAL STUDIES Transportation Research Part D-transport and Environment Pub Date : 2024-07-20 DOI:10.1016/j.trd.2024.104318

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Abstract

Online shopping is rapidly expanding, but assessing its carbon emissions impact across the entire supply chain and individual consumption is underdeveloped. This study introduces a framework using hierarchical cluster analysis, Life Cycle Assessment, and nested logit models to evaluate the environmental impact of online shopping. Combining online survey data and on-site supermarket survey data, it is found that the composition of shopping baskets influences shopping trip chain choice, whereas, for in-store shopping, the sizes of the baskets are associated with shopping trip lengths. Key contributors to online shopping emissions are transportation, packaging, and returns & exchanges. In contrast, in-store shopping emissions link to transportation, packaging, in-store operations. Shopping emissions primarily hinge on shopping baskets and shopping trip lengths. Total carbon emissions per consumer increase by 29 % for online shopping when shopping trip length to physical stores is under 2 km but decreases by 29 % and 50 % when it extends to 20 km and 40 km, respectively.

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网上购物能否实现减少二氧化碳排放的目标？来自中国的证据

网上购物正在迅速发展，但对其整个供应链和个人消费的碳排放影响的评估还不够完善。本研究采用分层聚类分析、生命周期评估和嵌套对数模型来评估网上购物对环境的影响。结合在线调查数据和现场超市调查数据，研究发现购物篮的组成影响购物行程链的选择，而对于店内购物，购物篮的大小与购物行程的长度相关。造成网上购物排放的主要因素是运输、包装、退货和换货。相比之下，店内购物排放与运输、包装、店内运营有关。购物排放主要取决于购物篮和购物行程长度。当到实体店的购物行程长度在 2 公里以下时，每位消费者的网购总碳排放量增加了 29%，而当购物行程长度延长到 20 公里和 40 公里时，碳排放量则分别减少了 29% 和 50%。

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来源期刊

Transportation Research Part D-transport and Environment 工程技术-运输科技

CiteScore

14.40

自引率

9.20%

发文量

314

审稿时长

39 days

期刊介绍： Transportation Research Part D: Transport and Environment focuses on original research exploring the environmental impacts of transportation, policy responses to these impacts, and their implications for transportation system design, planning, and management. The journal comprehensively covers the interaction between transportation and the environment, ranging from local effects on specific geographical areas to global implications such as natural resource depletion and atmospheric pollution. We welcome research papers across all transportation modes, including maritime, air, and land transportation, assessing their environmental impacts broadly. Papers addressing both mobile aspects and transportation infrastructure are considered. The journal prioritizes empirical findings and policy responses of regulatory, planning, technical, or fiscal nature. Articles are policy-driven, accessible, and applicable to readers from diverse disciplines, emphasizing relevance and practicality. We encourage interdisciplinary submissions and welcome contributions from economically developing and advanced countries alike, reflecting our international orientation.