Comparative analysis of the carbon footprints of conventional and online retailing: A “last mile” perspective

Abstract

Purpose

The purpose of this paper is to focus on the carbon intensity of “last mile” deliveries (i.e. deliveries of goods from local depots to the home) and personal shopping trips.

Design/methodology/approach

Several last mile scenarios are constructed for the purchase of small, non‐food items, such as books, CDs, clothing, cameras and household items. Official government data, operational data from a large logistics service provider, face‐to‐face and telephone interviews with company managers and realistic assumptions derived from the literature form the basis of the calculations. Allowance has been made for home delivery failures, “browsing” trips to the shops and the return of unwanted goods.

Findings

Overall, the research suggests that, while neither home delivery nor conventional shopping has an absolute CO₂ advantage, on average, the home delivery operation is likely to generate less CO₂ than the typical shopping trip. Nevertheless, CO₂ emissions per item for intensive/infrequent shopping trips by bus could match online shopping/home delivery.

Research limitations/implications

The number of items purchased per shopping trip, the choice of travel mode and the willingness to combine shopping with other activities and to group purchases into as few shopping trips or online transactions as possible are shown to be critical factors. Online retailers and home delivery companies could also apply measures (e.g. maximising drop densities and increasing the use of electric vehicles) to enhance the CO₂ efficiency of their logistical operations and gain a clearer environmental advantage.

Practical implications

Both consumers and suppliers need to be made more aware of the environmental implications of their respective purchasing behaviour and distribution methods so that potential CO₂ savings can be made.

Originality/value

The paper offers insights into the carbon footprints of conventional and online retailing from a “last mile” perspective.

Citation

Edwards, J., McKinnon, A. and Cullinane, S. (2010), "Comparative analysis of the carbon footprints of conventional and online retailing: A “last mile” perspective", International Journal of Physical Distribution & Logistics Management, Vol. 40 No. 1/2, pp. 103-123. https://doi.org/10.1108/09600031011018055

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