期刊
JOURNAL OF INDUSTRIAL ECOLOGY
卷 21, 期 6, 页码 1478-1487出版社
WILEY
DOI: 10.1111/jiec.12507
关键词
biofuel; climate change; consequential life cycle assessment (CLCA); global change assessment model (GCAM); integrated assessment model; transportation and environment
Estimates of the climate-change mitigation benefits of biofuels are varied and controversial. Some analysts rely on attributional life cycle assessment (ALCA), limiting the analytic scope to the direct supply chain, whereas others supplement an ALCA result with an estimate of land-use change (LUC) emissions intensity. Other analysts have used consequential life cycle assessment (CLCA), with methods ranging from static market assessments to identify the likely marginal product and supplier, to running partial and general equilibrium models to estimate changes in global production and consumption. In this article, we consider another alternativeusing an integrated assessment model (IAM) as a platform for CLCA of biofuels. In this article (part I of II), we focus on the methodological challenges of this approach. In part II, we present a case study using one IAMthe global change assessment model (GCAM)to estimate the climate effects of several biofuels.
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