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A comparison and methodological proposal for hybrid approaches to quantify environmental impacts: A case study for renewable energies by A.R. Gamarra; Y. Lechón; S. Banacloche; B. Corona; J.M. de Andrés is a Environmental Science article available to read on EtoBox.

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The transition towards a more sustainable and decarbonised energy system is mandatory for achieving global climate objectives, and counting on proper tools to evaluate sustainability is essential. Among sustainability assessment methodologies, hybrid approaches integrating Input-Output analysis (IOA) and Life Cycle Assessment (LCA) are often proposed to overcome limitations and take advantage of strengths of both methodologies. In this paper we propose a new hybrid tiered approach, named Identification and Subtraction Method (ISM). Through a case study of Concentrated Solar Power (CSP) technology, we test the proposed method assessing seven environmental indicators and compare the results obtained by different methodological approaches: Environmental Extended Multiregional Input-Output (EMRIO), LCA and two hybrid approaches. Results showed that, in general, LCA and EMRIO provide the lowest and uppest impact values, respectively. The ISM method expands the LCA boundaries by including indirect impacts, avoiding double-counting and retaining the technological detail and representativeness of the LCA. The main advantage is the ability to establish with high accuracy the impact coming f

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Author

A.R. Gamarra; Y. Lechón; S. Banacloche; B. Corona; J.M. de Andrés

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Environmental Science (Physical Sciences)