However for strategic decisions that are typically

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However, for strategic decisions that are typically more long term, society wide and strategic, a wider system boundary will be more relevant. Too inclusive system boundaries may also be a problem. In LCA, there is always a trade-off between completeness in scope and completeness in data representa- tiveness. Completeness in scope comes at the price of simpli fi cations and uncer- tainties, stated recently Hellweg and Mil à i Canals ( 2014 ). When an assessment is made of a technological process in general instead of a speci fi c process at a speci fi c plant, the issue of representativeness is crucial. Sand é n ( 2012 ) suggests that a way to handle this is to be explicit with the division into the foreground system, i.e. the technology in focus of the study, and the background systems, i.e. the context (state, situation) the foreground system is placed in. This section will elaborate on the dependence on system boundaries in the environmental evaluation of textile products and the representativeness of a case study for drawing general conclusions. The purposes of our recent LCA and SLCA studies (which will be used as a case study throughout this chapter) were to deliver knowledge and solutions that the Swedish clothing industry and its stakeholders can use to signi fi cantly improve the clothing sector s sustainability performance and strengthen its global competitive- ness (Zamani et al. 2016b ). The sector perspective was thus central for the goal and scope of the studies (Roos et al. 2015b ). To approach the challenge of environ- mental and social assessments of a whole sector, while still providing credible data for technological processes on a general level, an industry sector approach was developed (Roos et al. 2016 ). This section summarises key results from the LCA and SLCA studies and the industry sector approach. 2.1 Life Cycle Assessment, from Garment Level to Industry Sector Level Environmental Performance The analysis of the environmental impact of an entire industrial sector with LCA would be an immense task, and some simpli fi cations were made in the study of the Swedish textile sector (Roos et al. 2015b ). Five garment archetypes were selected for the study with the primary aim that they would be representative in terms of fi bre types and textile production methods for Swedish clothing consumption and also public sector procurement. Additionally, the intent was to choose garments with suf fi ciently diversi fi ed life cycles so that they would be able to show the signi fi cance of interventions in different life cycle phases for different types of garments. For example, T-shirts are washed more often than jackets. T-shirts are therefore expected to exemplify the value of changes within the use phase, while jackets are expected to more clearly exemplify the value of changes to the garment life cycle outside the use phase.
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  • Fall '19
  • Sustainable fashion, Sandra Roos

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