Journal
JOURNAL OF CLEANER PRODUCTION
Volume 73, Issue -, Pages 146-153Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2014.01.025
Keywords
Life cycle assessment; Dairy; Farming system; System expansion; Attributional LCA; Consequential LCA
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The aim of the study is to develop a tool, which can be used for calculation of carbon footprint (using a life cycle assessment (LCA) approach) of milk both at a farm level and at a national level. The functional unit is '1 kg energy corrected milk (ECM) at farm gate' and the applied methodology is LCA. The model includes switches that enables for, within the same scope, transforming the results to comply with 1) consequential LCA, 2) allocation/average modelling (or 'attributional LCA'), 3) PAS 2050 and 4) The International Dairy Federations (IDF) guide to standard life cycle assessment methodology for the dairy sector. The key elements of consequential LCA and the IDF guide are presented and explained by examples. The national carbon footprints (CF) for milk produced in Denmark and Sweden in 2005 are presented. (C) 2014 Elsevier Ltd. All rights reserved.
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