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Everything is relative and nothing is certain. Toward a theory and practice of comparative probabilistic LCA
Stockholm University, Faculty of Science, Stockholm Resilience Centre. Vrije Universiteit Amsterdam, The Netherlands.ORCID iD: 0000-0002-3439-623X
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Number of Authors: 52019 (English)In: The International Journal of Life Cycle Assessment, ISSN 0948-3349, E-ISSN 1614-7502, Vol. 24, no 9, p. 1573-1579Article in journal (Refereed) Published
Abstract [en]

Introduction It is widely recognized that LCA is in most cases relative and contains uncertainties due to choices and data. This paper analyses the combination of the two comparative uncertainties. Basic concepts We carefully define the idea of relativity and uncertainty within LCA. We finish off by giving an example of case where inappropriate handling of comparative uncertainties will lead to a misleading result for a decision-maker. Correlations We develop a generic framework for probabilistic comparative LCA and analyse at which places correlations may be present. We also discuss the most convenient approaches for handling such correlated uncertainties. Conclusion We put the elements discussed in a structure that provides a research agenda for dealing with comparative uncertainties in LCA.

Place, publisher, year, edition, pages
2019. Vol. 24, no 9, p. 1573-1579
Keywords [en]
Comparative analysis, Correlations, Life cycle assessment, Uncertainty
National Category
Earth and Related Environmental Sciences Environmental Analysis and Construction Information Technology Environmental Management
Identifiers
URN: urn:nbn:se:su:diva-172975DOI: 10.1007/s11367-019-01666-yISI: 000482393700002OAI: oai:DiVA.org:su-172975DiVA, id: diva2:1351567
Available from: 2019-09-16 Created: 2019-09-16 Last updated: 2019-12-09Bibliographically approved

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Heijungs, ReinoutHenriksson, Patrik J. G.
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