Application of three independent consequential LCA approaches to the agricultural sector in Luxembourg

Vázquez‐Rowe, Ian; Rege, Sameer; Marvuglia, Antonino; Thénie, Julien; Haurie, Alain; Benetto, Enrico

doi:10.1007/s11367-013-0604-2

Cited by 58 publications

(24 citation statements)

References 36 publications

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“…Despite the literature offers numerous examples of combined tools, techniques, applications and developments in the field of environmental impact analysis with CGE and PE models (Dandres et al, 2011;Koskela et al, 2007;Brown et al, 2013;Dale et al, 2013), impact categories or issues considered have been usually limited (e.g. assessment of GHG emissions, land use, water use) and economic equilibrium models (CGE and PE) have only been used separately for consequential LCA , Vázquez-Rowe et al, 2013. Therefore, the coupled use of CGE and PE models focusing on the energy sector, which is highly recalled and directly linked to any other economic sector at country scale, is certainly novel and provides with a mutual enrichment for both LCA and equilibrium-based modelling.…”

Section: Pertinence Of the Methodologymentioning

confidence: 99%

Combination of Equilibrium Models and Hybrid Life Cycle Input-Output Analysis to Predict the Environmental Impacts of Energy Policy Scenarios

et al. 2015

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Nowadays, many countries adopt an active agenda to mitigate the impact of greenhouse gas emissions by moving towards less polluting energy generation technologies. The environmental costs, directly or indirectly generated to achieve such a challenging objective, remain however largely underexplored. Until now, research has focused either on pure economic approaches such as computable general equilibrium (CGE) and partial equilibrium (PE) models, or on (physical) energy supply scenarios. These latter could be used to evaluate the environmental impacts of various energy saving or cleaner technologies via life cycle assessment (LCA) methodology. These modelling efforts have, however, been pursued in isolation, without exploring the possible complementarities and synergies. In this study, we have undertaken a practical combination of these approaches into a common framework: on the one hand, by coupling a CGE with a PE model, and, on the other hand, by linking the outcomes from the coupling with a hybrid inputoutput−process based life cycle inventory. The methodological framework aimed at assessing the environmental consequences of two energy policy scenarios in Luxembourg between 2010 and 2025. The study highlights the potential of coupling CGE and PE models but also the related methodological difficulties (e.g. small number of available technologies in Luxembourg, intrinsic limitations of the two approaches, etc.). The assessment shows both environmental synergies and trade-offs due to the implementation of energy policies. For example, despite the changes in technologies towards the reduction of greenhouse gas emissions, only marginal improvements are observed in the climate change mitigation scenario as compared to the business-as-usual. The energy related production and imports are indeed expected to increase over time and represent a large contribution to the country's impacts. Interestingly, side effects on other impacts than climate change or fossil resource depletion (e.g. ionising radiation and water depletion) may also occur mainly due to the use of nuclear energy in neighbouring countries.

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Section: Pertinence Of the Methodologymentioning

confidence: 99%

Combination of Equilibrium Models and Hybrid Life Cycle Input-Output Analysis to Predict the Environmental Impacts of Energy Policy Scenarios

et al. 2015

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“…However, this approach fails when estimating the indirect effects associated with a change in the demand for the same amount of product engendered in the markets by the underlying actions (Vázquez-Rowe et al, 2013). Therefore, the application of attributional LCA in the quantification of the emissions from ILUC is limited.…”

Section: Consequential Life Cycle Assessmentmentioning

confidence: 99%

“…the effects from the switch among production factors on the supply side). The only indirect effects arise from an additional, or reduced, availability of co-products from multi-functional processes (Vázquez-Rowe et al, 2013).…”

Section: System Expansionmentioning

confidence: 99%

“…In general, PE models show the ability to flexibly integrate a wide range of policy instruments, represented as external shocks, since they permit the analysis of the supply and demand responses, trade flows, producer and consumer prices, income indicators and even environmental indicators. Such tools have been commonly used in the field of bioenergy (Ignaciuk et al, 2006;Johansson and Azar, 2007;Sourie et al, 2006;Thompson et al, 2011), and are increasingly applied in consequential LCAs, in which changes in the FU are demand-driven (Vázquez-Rowe et al, 2013;.…”

Section: Partial Equilibrium Approachmentioning

confidence: 99%

“…This is why they are referred to as economy-wide models (Vázquez-Rowe et al, 2013). There is a wide variety of them, again depending on the level of aggregation, the policy issues to be addressed, and their temporal scope (static or dynamic).…”

Section: Computable General Equilibrium Approachmentioning

confidence: 99%

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Application of three independent consequential LCA approaches to the agricultural sector in Luxembourg

Cited by 58 publications

References 36 publications

Combination of Equilibrium Models and Hybrid Life Cycle Input-Output Analysis to Predict the Environmental Impacts of Energy Policy Scenarios

Combination of Equilibrium Models and Hybrid Life Cycle Input-Output Analysis to Predict the Environmental Impacts of Energy Policy Scenarios

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