How could consequential LCA provide added value to industrial decision makers and practitioners: a proposal.

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Hw culd cnsequential LCA prvide added value t industrial decisin makers and

Mélanie Guitn 1, Enric Benett 1, Antnin Marvuglia 1, Ian Vázquez-Rwe 1,

Centre Henri Tudr (CRPHT)/Resurce Centre fr Envirnmental Technlgies (CRTE),

1 Hw culd cnsequential LCA prvide added value t industrial decisin makers and practitiners: a prpsal. Mélanie Guitn 1, Enric Benett 1, Antnin Marvuglia 1, Ian Vázquez-Rwe 1, Elrri Igs 1, Sameer Rege 1, Emil Ppvici 1, Jade Garcia 2 1 Public Research Centre Henri Tudr (CRPHT)/Resurce Centre fr Envirnmental Technlgies (CRTE), Luxemburg 2 SCORE LCA, Villeurbanne, France Sessin 2.b. LCA methdlgies: issues, develpment and perspectives Lille 04 th Nvember 2013

2 Setting the prblem LCA schlars Cnsequential LCA in thery activities are included in the prduct system t the extent that they are expected t change as a cnsequence f a change in demand fr the functinal unit (UNEP, 2011)..quantificatin f the envirnmental cnsequences f a specific decisin and f the related actins (Ekvall & Weidema, 2002) link micr-ecnmic actins t macr-ecnmic cnsequences (Daalgard, 2008) LCA practitiners (industry and gvernmental rganizatins) Cnsequential LCA in practice When is clca necessary? Hw d I perfrm a clca? (where d I find data, hw d I perfrm calculatins, csts, needs fr cmpetences,..) Hw d I check the results? (cmprehensiveness, validatin, uncertainty, repeatability,..) Hw d I cmmunicate the results? (internally, externally)? 2

3 Setting the prblem LCA schlars Cnsequential LCA in thery activities are included in the prduct system t the extent that they are expected t change as a cnsequence Prvide f transparent a change in demand fr the functinal unit and cnsistent (UNEP, 2011) methdlgy and..quantificatin f the envirnmental tls cnsequences f a specific decisin and f the related actins (Ekvall & Weidema, 2002) link micr-ecnmic actins t macr-ecnmic cnsequences (Daalgard, 2008) LCA practitiners (industry and gvernmental rganizatins) Cnsequential LCA in practice When is clca necessary? Hw d I perfrm a clca? (where d I find data, hw d I perfrm Pint calculatins, ut key aspects csts, needs fr cmpetences,..) which need t be further Hw d researched I check the results? fr (cmprehensiveness, peratinability validatin, uncertainty, repeatability,..) Hw d I cmmunicate the results? (internally, externally)? 3

Cllabrative research Industry assciatin funding cllabrative research and fstering LCA develpment LCA Research and Technlgy Organizatin (RTO) wrking at the interface between academia and industry

4 Cllabrative research Industry assciatin funding cllabrative research and fstering LCA develpment LCA Research and Technlgy Organizatin (RTO) wrking at the interface between academia and industry Accunting Decisin cntext attributinal decisinal cnsequential Cmmunicatin Prduct/Prcess develpment Supprt t plicy implementatin? Hw t chse the mst apprpriate ne? Are these cmplementary r cmpatible perspectives t answer a large decisin cntext? What are the bundaries f each apprach? 4

Cllabrative research Research deliverables: Insights in current clca practice and limitatins, as cmpared t ther LCA appraches, and identificatin f research challenges Decisin tree (MindMap) supprting

5 Cllabrative research Research deliverables: Insights in current clca practice and limitatins, as cmpared t ther LCA appraches, and identificatin f research challenges Decisin tree (MindMap) supprting the chice f the right LCA mdeling perspective fr a given decisin cntext Literature state f the art regarding different industrial sectrs. Interview with internatinal LCA experts with different backgrunds: Industrial Academic Cnsultant Institutinal Identificatin f methdlgical ndes leading t the mst apprpriate LCA apprach regarding the questin t be addressed. Applicatin examples fr the targeted industrial sectrs. Platfrm presentatin at SETAC2013 Cnference, May 2013, Glasgw Platfrm presentatin at LCM2013 Cnference, August 2013, Gthenburg 5

6 Cmpleteness f the questin t be addressed What are the envirnmental impacts f first-generatin bifuel prductin frm Brazil? T fulfil the rising demand fr private vehicles Induced by the implementatin f a natinal plicy prviding subsides t husehlds 6

LCA mdeling perspectives What are the envirnmental impacts f first-generatin bifuel prductin frm Brazil, in rder t fulfil the rising demand fr private

Assess the envirnmental cnsequences f the change(s) affecting a system at mes r macr scale, especially the nes related t sciecnmic develpments,

7 LCA mdeling perspectives What are the envirnmental impacts f first-generatin bifuel prductin frm Brazil, in rder t fulfil the rising demand fr private vehicles, induced by the implementatin f a natinal plicy prviding subsides t husehlds? Assess the envirnmental cnsequences f the change(s) affecting a system at mes r macr scale, especially the nes related t sciecnmic develpments, strategic industrial decisins and plicy making. The Functinal Unit quantifies a change relative t a technlgical system, which ccurs in a given sci-ecnmic cntext. The actual scale f implementatin f the change is cnsidered. 7

scales) (2) Establish the tree f cnsequences generated by the actins

8 clci mdeling preparatry steps (1/4) Methdlgical lcks t be slved (1) Define the magnitude f the change/actins (tempral and spatial scales) (2) Establish the tree f cnsequences generated by the actins (3) Quantify the cnsequences Iterative definitin (1) (1) (2) (2) (3) (3) 8

9 clci mdeling preparatry steps (2/4) Methdlgical lcks t be slved (1) Define the cnsequential scenaris including tempral and spatial scales. (1) Definitin f magnitude f change : 20% natinal prductin rise Definitin f the time-perid : Prspective apprach The natinal plicy set a prductin rise bjective fr 2025, based n 2012 prductin level Definitin f the spatial cntext shuld cver all technlgies and resurces directly r indirectly affected by the change(s). The natinal plicy wuld generate (indirect) cnsequences utside Brazil (T be cnfirmed by step 2 and 3) 9

clci mdeling preparatry steps (3/4) Methdlgical lcks t be slved (2) Establish

spatial-tempral scale and the magnitude f change: What are the direct

Affected technlgies / prcesses / resurces which are directly linked t the FU

10 clci mdeling preparatry steps (3/4) Methdlgical lcks t be slved (2) Establish the tree f cnsequences generated by the actins (2) Regarding the spatial-tempral scale and the magnitude f change: What are the direct cnsequences? Affected technlgies / prcesses / resurces which are directly linked t the FU What are the indirect cnsequences? Other affected systems that d nt directly cntribute t the achievement f the FU. Multi-functinal prcesses Cnstrained prcesses Rebund effects 10

11 clci mdeling preparatry steps (4/4) Methdlgical lcks t be slved (3) Quantify the cnsequences Regarding the spatial-tempral scale and the magnitude f change: (3) What is the magnitude f cnsequences? Weak (uncnstrained system) The average existing technlgies allw t face the change Large (cnstrained system) In rder t respnd t the demanded variatins, the existing capacity f the average reference system is insufficient 11

12 clci mdeling chices Operatinal appraches t identify and quantify the affected prcesses: Based n market infrmatin (Weidema et al. 2009, ILCD Handbk. 2010). Ecnmic equilibrium (Vázquez-Rwe et al. 2013) and scial mdeling tls (Marvuglia et al. 2013, Querini et al. 2013). Need fr sectrial cmpetences and knwledge utside the LCA dmain Weidema, B.P., Ekvall, T., Heijungs, R Guidelines fr applicatins f deepened and bradened LCA. Deliverable D18 f wrk package 5 f the CALCAS prject. Vázquez-Rwe, I., Marvuglia, A., Rege, S., Benett E Applying C-LCA t supprt energy plicy in Luxemburg: land use change effects f bienergy prductin. Science f the Ttal Envirnment. Vázquez-Rwe, I., Rege, S., Marvuglia, A., Thénié, J., Haurie, A., Benett, E., Applicatin f three independent cnsequential LCA appraches t the agricultural sectr in Luxemburg. Internatinal Jurnal f Life Cycle Assessment, 18, (4) Marvuglia A., Rege S., Vázquez-Rwe I., Benett E. Applying agent-based mdelling fr cnsequential Life Cycle Assessment f agr-systems: challenges, strategies and assets. 6th Internatinal Cnference n Life Cycle Management (LCM 2013), August 2013, Gthenburg, Sweden. Oral presentatin. Querini F., Benett E. Agent-based mdelling fr assessing hybrid and electric cars deplyment plicies in Luxemburg and Lrraine. Submitted in Jurnal f Transprtatin Research Part A: Plicy and Practice. Under review

13 Cnclusins Decisin tree Decisin questin (and intended use f results) has t be precisely defined and cntextualized Fcus n the chice f the right apprach t respnd t a given decisin cntext. clca is adapted t supprt large-scale decisin making prcess There is nt a unique C-LCA apprach. LCI mdeling appraches are cmplementary (nt cmpetitrs) Case studies n mbility, cnstructin, water treatment, waste treatment Recmmendatins fr harmnizatin and required develpments In the revisin f ISO14040 the inclusin f methdlgical elements and guidelines fr clca culd be cnsidered. Test phase n selected relevant case-study, supprted by public institutins, t elabrate gd practice guidelines. Smart cmbinatin f (cmputatinal) LCA mdeling appraches ( mutual cntaminatin between research fields). 13

14 Thank yu fr yur attentin! Mélanie Guitn R&D Engineer Envirnmental Evaluatin and Management CRP Henri Tudr Luxemburg

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