A novel approach to the problem of geographic allocation of environmental impact in Life Cycle Assessment and Material Flow Analysis

被引:19
|
作者
Raugei, Marco [1 ]
Ulgiati, Sergio [2 ]
机构
[1] Pompeu Fabra Univ, Escola Super Comerc Int, Environm Management Res Grp GiGa, Barcelona, Spain
[2] Parthenope Univ Naples, Dept Environm Sci, Naples, Italy
关键词
Geographic allocation; Spatial differentiation; Life Cycle Assessment; Material Flow Analysis; TRANSFORMITY;
D O I
10.1016/j.ecolind.2009.04.001
中图分类号
X176 [生物多样性保护];
学科分类号
090705 ;
摘要
Life Cycle Assessment and Material Flow Analysis, in spite of their invaluable contribution to the investigation of the environmental performance of human-dominated processes, still fall short of properly addressing the issue of the geographic distribution of the potential environmental impacts, which often has wide-reaching environmental as well as political implications. An innovative allocation method based on matrix algebra is introduced here, in order to allow to split the calculated environmental impact indicators into fractions thereof which are geographically attributed to the different world regions. This is done on the basis of: (i) where the analyzed process takes place and (ii) where the directly and indirectly required fossil and nuclear fuels are sourced from (including those for electricity production). The method has been successfully tested on primary aluminium production, as a first case study. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1257 / 1264
页数:8
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