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Contribution Details

Type Journal Article
Scope Discipline-based scholarship
Title Evaluating the sustainability of electronic media: Strategies for life cycle inventory data collection and their implications for LCA results
Organization Unit
Authors
  • Roland Hischier
  • Mohammad Ahmadi Achachlouei
  • Lorenz Hilty
Item Subtype Original Work
Refereed Yes
Status Published in final form
Language
  • English
Journal Title Environmental Modelling & Software
Publisher Elsevier
Geographical Reach international
ISSN 1364-8152
Volume 56
Page Range 27 - 36
Date 2014
Abstract Text This paper compares two Life Cycle Assessment (LCA) studies independently carried out to assess the environmental impacts of electronic versus print media. Although the two studies lead to the same overall conclusion for the case of a news magazine – namely that the tablet version of the magazine has environmental advantages over the print version – there are significant differences in the details of the LCA results. We show how these differences can be explained by differences in the methodological approaches used for Life Cycle Inventory (LCI) modelling, in particular the use of rough average data versus the attempt to use the most specific and detailed data as possible. We conclude that there are several issues in LCA practice (at least when applied in the domain of media) that can significantly influence the results already at the LCI level: The data collection strategy used (e.g. relying on desk-based research or dismantling a device under study) and the decisions made at inventory level with regard to parameters with high geographic variability, such as the electricity mix or recycling quotas.
Digital Object Identifier 10.1016/j.envsoft.2014.01.001
Other Identification Number merlin-id:9192
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