The environmental impact of product lifetime extension: a literature review and research agenda

Lisbeth Løvbak Berg on 26. april 2025

Authors: Irene Maldini, Ingun Grimstad Klepp & Kirsi Laitala

Abstract

Consumer goods environmental policy is increasingly focusing on product durability and product lifetime extension (PLE) to reduce their impact. Given the growing societal relevance of PLE, this review investigates the discourse about its environmental effects, and the empirical knowledge that substantiates this discourse. One hundred and nine relevant articles were selected from 388 distinctive records identified in two databases, Scopus and Web of Science. The statements about the environmental effects of PLE in these publications were extracted and analysed, and a detailed process of backward citation tracking was followed to identify the empirical base substantiating these statements, leading to 85 additional publications that were included in further analyses.

The findings show that the main environmental benefits expected from PLE are related to reductions in the volume of goods produced, which result from expected reductions in demand due to delayed product replacement. However, this reasoning is based on two under-researched assumptions about consumer and industry behaviours: that the demand for new products is driven by replacement, and that decisions on production volumes in the industry are driven by consumer demand. The empirical base in the field is dominated by quantitative assessments that reproduce these assumptions rather than studying them. The findings from a handful of field studies that investigate the presumed behaviour, question that it applies. Therefore, a research agenda is proposed to better understand the relations between product lifetimes and material flows and the influence of consumer and industry behaviour over them. Moreover, given the current gap between the durability discourse and the empirical knowledge that would be needed to substantiate it, recommendations are made for academics, policy makers, advocacy groups, and businesses environmental strategists to moderate their expectations from product longevity measures.

Click here to read the full article (elsevier.com).

Overcoming barriers for «strong» sustainable consumption policy: the case of the Amsterdam Doughnut

Kinga Zablocka on 14. januar 2025

Forfatter: Irene Maldini

Abstrakt


This case study of the Amsterdam Doughnut highlights how barriers for “strong” sustainable consumption policy pinpointed in the literature were to some extent overcome in the city policy of Amsterdam, the Netherlands, in the period of 2018–23. The study builds on interviews conducted in 2020 and 2023 with key stakeholders participating in the policymaking process, and on the analysis of relevant policy documents. It identifies a few factors that played a role as levers of the barriers mentioned in the literature. These factors facilitated the inclusion of upper consumption limits in a few policy areas at a conceptual and strategic level. However, resistance to “strong” sustainable consumption measures hindered their translation into concrete actions, targets, and implementation. Lastly, a change of emphasis in the city strategy towards the “social foundation” of the Doughnut Economy framework during the period under study led to a stronger focus on the lower levels of sufficiency, leaving the emphasis on the upper levels behind.

Klikk her for full tekst (taylorFrancis.com).

Studying clothing consumption volumes through wardrobe studies: a methodological reflection

Lisbeth Løvbak Berg on 10. september 2023

Authors: Irene Maldini, Vilde Haugrønning and Lucrecia de León

Abstract

This paper introduces the relevance of volume-centric research in studies of clothing use. The global production of garments has grown dramatically in recent decades, bringing along significant environmental challenges. However, knowledge is lacking about why people deal with clothing quantities in such varied ways, and what leads some of them to overconsumption. A review of wardrobe research methods shows that there are various approaches to studying garments going in, around, and out of wardrobes. Gathering qualitative insights about specific garments, such as favorite garments, has been quite common. However, in order to advance knowledge about clothing consumption volumes, it is important to look at the wardrobe as a whole and include quantitative aspects. This paper reflects on what approaches and techniques can be used to that end. The reflections are combined with lessons learned from a pilot wardrobe study conducted in Uruguay, Portugal and Norway in 2022 with 20 respondents, concluding with recommendations for volume-centric methods in future wardrobe studies. Rigorous accounts of all garments owned should be combined with registration of items going in and out of the wardrobe over time in order to link accumulation to production and waste volumes. Methods connecting garment quantities with practices of daily use are particularly valuable. One example that has proven successful is piling exercises, a technique where participants are invited to categorize garments in groups according to specific criteria.

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Click here to download and read the full conference proceedings (aalto.fi)