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Patrick A Waeger


patrick.waeger@empa.ch

Journal articles

2012
A Stamp, D J Lang, P A Wäger (2012)  Environmental impacts of a transition toward e-mobility : The present and future role of lithium carbonate production   Journal of Cleaner Production 23: 1. 104-112  
Abstract: Whether the environmental benefits of emerging technologies are outweighed by the environmental impacts of producing and using scarce technology metals remains an open question. We present a three-level approach to assess how increasing environmental impacts on the resource provision level affect the overall impacts on the product level and on the service level, at an early stage of technology implementation. The approach is described based on a case example: we evaluate the environmental impacts of different supply options for lithium carbonate (Li 2CO 3) - required for the production of Li-ion batteries - and their influence on the environmental impacts associated with an electric vehicle (EV). We applied the methodology of Life Cycle Assessment (LCA) and considered the production of Li 2CO 3 from three different deposit types: natural brines (currently dominant), ores (less common) and seawater (hypothetical future option). For each of the three supply options, we established an inventory dataset for both favorable and unfavorable processing conditions. The inventory datasets were combined with those used in a recently published LCA, which compared the environmental impacts of an EV with those of an internal combustion engine vehicle (ICEV). The results of this study indicate that the environmental impacts of Li 2CO 3 production as a percentage of the total transportation impacts caused by an EV are currently negligible. Only if seawater was used under unfavorable processing conditions, these impacts could outweigh the environmental benefits of EV over an ICEV; however, the uncertainty is high due to the limited data availability regarding future lithium production processes. The break-even point for the environmental impacts of 1 km driven with an EV and with an ICEV would be reached only if the impacts per kilogram of Li 2CO 3 were increased by about two orders of magnitude (more than 200 times higher for the impact assessment method Cumulative Energy Demand, about 450 times higher for Global Warming Potential and about 100 times higher for ecoindicator 99). © 2011 Elsevier Ltd. All rights reserved.
Notes: Export Date: 15 May 2012 xD;Source: Scopus xD;CODEN: JCROE xD;Language of Original Document: English xD;Correspondence Address: Stamp, A.; Technology and Society Laboratory, Swiss Federal Laboratories for Materials Science and Technology (Empa), Ãberlandstrasse 129, 8600 Dübendorf, Switzerland; email: anna.stamp@empa.ch xD;References: Althaus, H.-J., Classen, M., Life cycle inventories of metals and methodological aspects of inventorying material resources in ecoinvent (2005) International Journal of Life Cycle Assessment, 10 (1), pp. 43-49. , DOI 10.1065/lca2004.11.181.5; Angerer, G., Erdmann, L., Marscheider-Weidemann, F., Scharp, M., Lüllmann, A., Handke, V., Marwede, M., (2009) Rohstoffe für Zukunftstechnologien, , Fraunhofer IRB Verlag Stuttgart; Angerer, G., Marscheider-Weidemann, F., Wendl, M., (2009) Lithium für Zukunftstechnologien, , Fraunhofer ISI Karlsruhe; Ayres, R.U., On the practical limits to substitution (2007) Ecological Economics, 61 (1), pp. 115-128. , DOI 10.1016/j.ecolecon.2006.02.011, PII S0921800906000838; Behrendt, S., Scharp, M., Erdmann, L., Kahlenborn, W., Feil, M., Dereje, C., Bleischwitz, R., Delzeit, R., (2007) Rare Metals: Measures and Concepts for the Solution of the Problem of Conflict-Aggravating Raw Material Extraction - The Example of Coltan, , Environmental Research of the Federal Ministry of the Environment, Nature Conservation and Nuclear Safety Berlin; Buchert, M., Schüler, D., Bleher, D., (2009) Critical Metals for Future Sustainable Technologies and Their Recycling Potential, , UNEP Division of Technology, Industry and Economics Paris; Chung, K.S., Lee, J.C., Kim, W.K., Kim, S.B., Cho, K.Y., Inorganic adsorbent containing polymeric membrane reservoir for the recovery of lithium from seawater (2008) J. 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London; Ebensperger, A., Maxwell, P., Moscoso, C., The lithium industry: Its recent evolution and future prospects (2005) Resources Policy, 30 (3), pp. 218-231. , DOI 10.1016/j.resourpol.2005.09.001, PII S0301420705000425; Centre, E., (2010) Ecoinvent Data v2.2, , http://www.ecoinvent.ch, Swiss Centre for Life Cycle Inventories Dübendorf, CH; Commission, E., (2010) Critical Raw Materials for the EU, , http://ec.europa.eu/enterprise/policies/raw-materials/files/docs/ report-b_en.pdf, Report of the Ad-hoc Working Group on defining critical raw materials European Commission - Enterprise and Industry; Evans, K.R., Reserves and resources (2010) Presentation Held At: Industrial Minerals - Lithium Conference, , Las Vegas; Gaines, L., Nelson, P., Lithium-ion batteries: Examining material demand and recycling issues (2010) Proceedings of TMS Annual Meeting, , Seattle; Garrett, D.E., (2004) Handbook of Lithium and Natural Calcium Chloride: Their Deposits, Processing, Uses and Properties, , Elsevier Amsterdam; Giurco, D., Prior, T., Mudd, G., Mason, L., Behrisch, J., (2010) Peak Minerals in Australia: A Review of Changing Impacts and Benefits, , CSIRO Minerals Down Under Flagship, Institute for Sustainable Futures, University of Technology, Sydney and Department of Civil Engineering, Monash University; Goedkoop, M., Spriensma, R., (2000) The Eco-Indicator 99. 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Van der Voet, The MIT Press Cambridge, Massachusetts/London; Hertwich, E., Van Der Voet, E., Suh, S., Tukker, A., Huijbregts, M., Kazmierczyk, P., Lenzen, M., Moriguchi, Y., (2010) Assessing the Environmental Impacts of Consumption and Production - Priority Products and Materials, , UNEP, International Panel for Sustainable Resource Management, Working Group on the Environmental Impacts of Products and Materials; Hischier, R., (2007) Life Cycle Inventories of Packaging and Graphical Papers, , http://www.ecoinvent.com, Ecoinvent reports v2.0, vol. 11. Dübendorf; Hischier, R., Weidema . B, P., Althaus . H, J., Bauer, C., Doka, G., Dones, R., Frischknecht, R., Nemecec, T., (2010) Implementation of Life Cycle Impact Assessment Methods. 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KGaA Weinheim; Yaksic, A., Tilton, J.E., Using the cumulative availability curve to assess the threat of mineral depletion: The case of lithium (2009) Resour Policy, 34 (4), pp. 185-194; Yoshizuka, K., Holba, M., Yasunaga, T., Ikegami, Y., Performance Analysis of Benchmark Plant for Selective Lithium Recovery from Seawater, , undated
P A Wäger, M Schluep, E Müller, R Gloor (2012)  RoHS regulated substances in mixed plastics from waste electrical and electronic equipment   Environmental Science and Technology 46: 2. 628-635  
Abstract: The disposal and recovery of plastics from waste electrical and electronic equipment (WEEE) are of considerable importance, both from an environmental and an economic perspective. This paper presents the results of a study investigating current concentrations of hazardous substances in mixed plastics from WEEE and their implications for an environmentally sound recovery. The study included 53 sampling campaigns for mixed plastics from WEEE. The samples were analyzed with regard to heavy metals (cadmium, chromium, mercury, and lead) and flame retardants (PentaBDE, OctaBDE, DecaBDE, DecaBB) regulated in the RoHS Directive. Besides these substances, other brominated flame retardants known to occur in electronics (HBCD, TBBPA) as well as the total bromine and phosphorus contents were considered. Results show that no mixed plastics fraction from WEEE is completely free from substances regulated in the RoHS Directive. The lowest number and average concentrations were found in flat screen monitors. The highest concentrations were found in mixed plastics from CRT monitors and TVs. Mixed plastics fractions with high average concentrations of heavy metals originate from the treatment of small household appliances (cadmium), ICT equipment (lead), and consumer equipment (lead). Mixed plastics fractions with high average concentrations of brominated flame retardants mainly originate from the treatment of small household appliances for high temperature applications (DecaBDE), CRT monitors (OctaBDE and DecaBDE) and consumer equipment (DecaBDE), in particular CRT TVs (DecaBDE). To avoid a dissipation of hazardous substances into plastics and the environment, it is recommended that mixed plastics from WEEE are subject to a strict quality management. © 2011 American Chemical Society.
Notes: Export Date: 15 May 2012 xD;Source: Scopus xD;CODEN: ESTHA xD;Language of Original Document: English xD;Correspondence Address: Wäger, P.A.; Technology and Society Laboratory, Swiss Federal Laboratories for Materials Science and Technology (Empa), Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland; email: patrick.waeger@empa.ch xD;Chemicals/CAS: cadmium, 22537-48-0, 7440-43-9; chromium, 14092-98-9, 16065-83-1, 7440-47-3; lead, 13966-28-4, 7439-92-1; mercury, 14302-87-5, 7439-97-6; phosphorus, 7723-14-0 xD;References: Huisman, J., Magalini, F., Kuehr, R., Maurer, C., Ogilvie, S., Poll, J., Delgado, C., Stevels, A., (2008) 2008 Review of Directive 2002/96 on Waste Electrical and Electronic Equipment (WEEE), , http://ec.europa.eu/environment/waste/weee/pdf/final_rep_unu.pdf, United Nations University: Bonn, Germany; (2011), http://www.weee-forum.org/, WEEE Forum. Taking on Europe's electronic waste challenge. 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2011
P A Wäger, B De Leeuw, X Edelmann, N C Chan, O Smrekar (2011)  World resources forum 2011 : Towards a resource efficient green economy   GAIA 20: 4. 277-280  
Abstract:
Notes: Export Date: 15 May 2012 xD;Source: Scopus xD;Language of Original Document: English xD;Correspondence Address: Wäger, P.A.; Empa, Swiss Federal Laboratories for Materials Science and Technology, 9014 St.Gallen, Switzerland; email: patrick.waeger@empa.ch xD;References: De Leeuw, B., World behind the product (2005) Journal of Industrial Ecology, 9 (1-2), pp. 7-10. , www.worldresourcesforum.org/files/the%20world%20behind%20the%20product. pdf, (accessed November 10, 2011); De Leeuw, B., Resource efficiency: Europe can set a global example (2011) EurActiv, , www.euractiv.com/specialreportrecycling-society/resource-efficiency- europeset-global-example-analysis-508249, October 10, 2011, accessed November 10, 2011; Du, X., Graedel, T., Global life cycles for four rare earth elements (2011) Book of Abstracts of the World Resources Forum 2011, p. 51. , Edited by World Resources Forum(WRF) Secretariat. Davos, CH: WRF; (2010) Critical Raw Materials for the EU. Report of the Ad-Hoc Working Group on Defining Critical Raw Materials, , http://ec.europa.eu/enterprise/policies/raw-materials/files/docs/ report-b_en.pdf, EC (European Commission), accessed November 10, 2011; (2011) Roadmap to a Resource Efficient Europe, , http://ec.europa.eu/environment/resource_efficiency/pdf/com2011_571.pdf, EC, accessed October 11, 2011; Knöri, C., Wäger, P., Stamp, A., Althaus, H.-J., Weil, M., Towards a dynamic criticality assessment: Linking agent-based demand with material flow supply modeling approaches (2011) Book of Abstracts of the World Resources Forum 2011, , Edited by World Resources Forum (WRF) Secre tariat. Davos, CH: WRF. 16; (2008) Minerals, Critical Minerals and the U.S. Economy, , www.nma.org/pdf/101606_nrc_study.pdf, NRC (National Research Council). Washington, D. C.: National Academies Press. (accessed November 10, 2011); Rohn, H., Teitscheid, P., Application of resource productivity for higher education in food and nutrition (2011) Book of Abstracts of the World Resources Forum 2011, p. 55. , Edited by World Resources Forum(WRF) Secre tariat. Davos, CH: WRF
P A Wäger, R Hischier, M Eugster (2011)  Environmental impacts of the Swiss collection and recovery systems for Waste Electrical and Electronic Equipment (WEEE) : A follow-up   Science of The Total Environment 409: 10. 1746-1756  
Abstract: While Waste Electrical and Electronic Equipment (WEEE) collection and recovery have significantly gained in importance all over Europe in the last 15. years, comprehensive studies assessing the environmental loads and benefits of these systems still are not common. In this paper we present the results of a combined material flow analysis and life cycle assessment study, which aimed to calculate the overall environmental impacts of collection, pre-processing and end-processing for the existing Swiss WEEE collection and recovery systems, as well as of incineration and landfilling scenarios, in which the same amount of WEEE is either incinerated in a an MSWI plant or landfilled. According to the calculations based on the material flow data for the year 2009 and a new version of the ecoinvent life cycle inventory database (ecoinvent v2.01), collection, recovery and disposal result in significantly lower environmental impacts per t of WEEE for midpoint indicators such as global warming or ozone depletion and the endpoint indicator Eco-Indicator '99 points. A comparison between the environmental impacts of the WEEE recovery scenarios 2009 and 2004, both calculated with ecoinvent v2.01 data, shows that the impacts per t of WEEE in 2009 were slightly lower. This appears to be mainly due to the changes in the treatment of plastics (more recycling, less incineration). Compared to the overall environmental impacts of the recovery scenario 2004 obtained with an old version of ecoinvent (ecoinvent v1.1), the calculation with ecoinvent v2.01 results in an increase of the impacts by about 20%, which is primarily the consequence of a more adequate modeling of several WEEE fractions (e.g. metals, cables or CRT devices). In view of a further increase of the environmental benefits associated with the Swiss WEEE collection and recovery systems, the recovery of geochemically scarce metals should be further investigated, in particular. © 2011 Elsevier B.V.
Notes: Cited By (since 1996): 1 xD;Export Date: 15 May 2012 xD;Source: Scopus xD;CODEN: STEVA xD;PubMed ID: 21342702 xD;Language of Original Document: English xD;Correspondence Address: Wäger, P.A.; Technology and Society Laboratory, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, CH-9014 St. Gallen, Switzerland; email: patrick.waeger@empa.ch xD;Chemicals/CAS: Environmental Pollutants xD;References: Ansems, A.M.M., van Gijlswijk, R.N., (2001) Eco-efficiency of routes for selected WEEE products containing plastics, , TNO Environment EaPI, Apeldoorn (The Netherlands); Betts, K., Producing usable materials from e-waste (2008) Environ Sci Technol, 42, pp. 6782-6783; Doka, G., Life cycle inventories of waste treatment services. Dübendorf, CH, , http://www.ecoinvent.ch; Duan, H., Eugster, M., Hischier, R., Streicher-Porte, M., Li, J., Life cycle assessment study of a Chinese desktop personal computer (2009) Sci Total Environ, 407, pp. 1755-1764; ecoinvent Centre ecoinvent data v1.1. Dübendorf, CH, , http://www.ecoinvent.ch; ecoinvent Centre ecoinvent data v2.01. Swiss Centre for Life Cycle Inventories. Centre e, Dübendorf, , http://www.ecoinvent.ch; European Commission Directive 2002/95/EC of the European Parliament and of the Council on the Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment (2003) Off J Eur Union, pp. 19-23; (2003) European Commission Directive 2002/96/EC of the European Parliament and of the Council of 27 January 2003 on Waste Electrical and Electronic Equipment (WEEE), Brussels; (2010) WEEE collection rate, kg per capita, , European Commission, Brussels (Belgium), Eurostat; Fleischer, G., Methodik des Vergleichs von Verwertungs-/Entsorgungswegen im Rahmen der Ãkobilanz (1994) Abfallwirtschafts J, 6, pp. 697-701; Goedkoop, M., Spriensma, R., The Eco-indicator 99: a damage oriented method for life cycle impact assessment. Consultants P, Amersfoort, The Netherlands, , http://www.pre.nl/eco-indicator99/; Guinée, J.B., Gorrée, M., Heijungs, R., Huppes, G., Kleijn, R., de Koning, A., Life cycle assessment. An operational guide to the ISO standards (2001) Part 3: Scientific Background. Ministry of Housing SPaEVaCoESC, Den Haag and Leiden, The Netherlands, , http://www.leidenuniv.nl/cml/ssp/projects/lca2/lca2.html; Hagelüken, C., Meskers, C.E.M., Complex life cycles of precious and special metals (2010) Linkages of sustainability. 4, , The MIT Press, Cambridge, MA, T. Graedel, E. van der Voet (Eds.); Hischier, R., Baudin, I., LCA study of a plasma television device (2010) Int J Life Cycle Assess, 15, pp. 428-438; Hischier, R., Wäger, P.A., Gauglhofer, J., Does WEEE recycling make sense from an environmental perspective? The environmental impacts of the Swiss take-back and recycling systems for waste electrical and electronic equipment (WEEE) (2005) Environ Impact Assess Rev, 25, pp. 525-539; Hischier, R., Classen, M., Lehmann, M., Scharnhorst, W., Life cycle inventories of electric and electronic equipment: production, use and disposal. Dübendorf, CH, , http://www.ecoinvent.ch; Huisman, J., Magalini, F., Kuehr, R., Maurer, C., Ogilvie, S., Poll, J., 2008 Review of Directive 2002/96 on Waste Electrical and Electronic Equipment (WEEE), , http://ec.europa.eu/environment/waste/weee/pdf/final_rep_unu.pdf; (2006) Environmental management-life cycle assessment - requirements and guidelines. Geneva (Switzerland), , International Organization for Standardization (ISO); Morf, L.S., Tremp, J., Gloor, R., Schuppisser, F., Stengele, M., Metals, non-metals and PCB in electrical and electronic waste - actual levels in Switzerland (2007) Waste Manage Res, 27, pp. 1306-1316. , R.T; Morf, L., Tremp, J., Gloor, R., Huber, Y., Stengele, M., Zennegg, M., Brominated flame retardants in waste electric and electronic equipement: substance flows in a recycling plant (2005) Environ Sci Technol, 39, pp. 8691-8699; Robinson, B.H., E-waste: an assessment of global production and environmental impacts (2009) Sci Total Environ, 408, pp. 183-191; Schlummer, M., Gruber, L., Mäurer, A., Wolz, G., van Eldik, R., Characterisation of polymer fractions from waste electrical and electronic equipement (WEEE) and implications for waste management (2007) Chemosphere, 67, pp. 1866-1876; Report of the Technical Inspectorate 2009. Stiftung Entsorgung Schweiz (SENS), Zürich (Switzerland), , http://www.sens.ch/global/pdf/marktplatz/100624_SENS_FB_2009_druck_e.pdf, SENS; Sepúlveda, A., Schluep, M., Renaud, F.G., Streicher, M., Kuehr, R., Hagelüken, C., A review of the environmental fate and effects of hazardous substances released from electrical and electronic equipments during recycling: examples from China and India (2010) Environ Impact Assess Rev, 30, pp. 28-41; Sinha-Khetriwal, D., Kräuchi, P., Widmer, R., Producer responsibility for e-waste management: key issues for consideration - learning from the Swiss experience (2009) J Environ Manage, 90, pp. 153-165; 2009 Activity Report. Swiss Economic Association for Information Communications and Organisational Technology, Zürich (Switzerland), , http://www.swicorecycling.ch/downloads/497/243925/swi_taetigkeitsbericht_e.pdf, SWICO Recycling; Wäger, P.A., Lang, D.L., Bleischwitz, R., Hagelüken, C., Meissner, S., Reller, A., Seltene Metalle - Rohstoffe für Zukunftstechnologien. Zürich, , http://www.satw.ch/publikationen/schriften/SelteneMetalle.pdf; Wäger, P.A., Schluep, M., Müller, E., RoHS substances in mixed plastics from waste electrical and electronic equipment. Empa Swiss Federal Laboratories for Materials Science and Technology, St. Gallen, , http://www.weee-forum.org/index.php?section=general&page=news&id=205&weeeforum=30336b7ac5638f6dff2d76ab4fb6adad; 2008 Key figures. Key figures on quantities of electrical and electronic equipment put on the market, quantities of WEEE collected, and costs related to WEEE management, , http://www.weee-forum.org/doc/key_figures_2008.pdf?weeeforum=4bdae0d72ae2730105af31572819aab8, WEEE Forum
2010
D A Notter, M Gauch, R Widmer, P Wäger, A Stamp, R Zah, H J Althaus (2010)  Erratum : Contribution of li-ion batteries to the environmental impact of electric vehicles (Environmental Science & Technology (2010) 44 (6550-6556))   Environmental Science and Technology 44: 19.  
Abstract:
Notes: Cited By (since 1996): 1 xD;Export Date: 15 May 2012 xD;Source: Scopus xD;CODEN: ESTHA xD;Language of Original Document: English xD;Correspondence Address: Notter, D. A.
2006
Lorenz M Hilty, Peter Arnfalk, Lorenz Erdmann, James Goodman, Martin Lehmann, Patrick A Wäger (2006)  The relevance of information and communication technologies for environmental sustainability - A prospective simulation study   Environmental Modelling & Software 21: 11. 1618-1629  
Abstract: Information and Communication Technologies (ICT) have relevant positive and negative impacts on environmental sustainability on various levels: First-order effects such as increasing electronic waste streams; second-order effects such as improved energy-efficiency of production; third-order effects such as a product-to-service shift in consumption or rebound effects in transport. In the simulation study described in this article, all known relevant effects on all three levels were modeled using a System Dynamics approach in combination with scenario techniques and expert consultations. The prospective study for the European Union with a time-horizon until 2020 revealed great potential for ICT-supported energy management and for a structural change towards a less material-intensive economy, but strong rebound effects in the transport sector whenever ICT applications lead to time or cost savings for transport.
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L Erdmann, L M Hilty, H J Althaus, S Behrendt, R Hischier, C Kamburow, B Oertel, P Wäger, T Welz (2009)  Einfluss von RFID-Tags auf die Abfallentsorgung.   Umweltbundesamt, Berlin. UBA-Texte 27/2009.  
Abstract: Vor dem Hintergrund der rasant zunehmenden Verbreitung von Anwendungen der Radio Frequency Identification (RFID) untersucht das Forschungsprojekt mögliche zukünftige Auswirkungen eines massenhaften Einsatzes von RFID-Tags im Konsumgüterbereich auf die Umwelt und die Abfallentsorgung. Der gegenwärtige Einsatz von RFID-Tags stellt die derzeitigen Entsorgungssysteme für Siedlungsabfall zwar vor keine nennenswerten Herausforderungen. Die dynamische Entwicklung der RFID-Märkte kann aber die Entsorgungssysteme in Zukunft vor Probleme stellen, wenn nicht vorsorgend gehandelt wird. Neben der Ermittlung der aktuellen und zukünftig zu erwartenden Mengen eingesetzter RFID-Tags, der Beschreibung derzeitiger Entsorgungswege für RFID-Tags im Siedlungsabfall sowie der Erstellung und Quantifizierung von Zukunftsszenarien zielt das Projekt darauf, Handlungsempfehlungen für einen umweltverträglich optimierten Einsatz von RFID-Tags in Deutschland abzuleiten. Mit diesem Bericht liegt erstmalig eine systematische quantitative Darstellung des zukünftigen Einflusses von RFID-Tags auf die Abfallentsorgung unter enger Einbeziehung der betroffenen Akteure vor. Der Untersuchungsrahmen erstreckt sich auf die Entsorgungssysteme für Siedlungsabfall in Deutschland mit einem Zeithorizont bis 2022. Das Vorhaben fokussiert auf den Eintrag passiver RFID-Tags in den Siedlungsabfall, die insbesondere auf Konsumgüter und deren Verpackungen angebracht sind. Die Eintragspfade Glas-, Papier/Pappe/Karton- und Leichtverpackungs-Getrenntsammlung sowie die Restabfallbehandlung, einschlieÃlich des Eintrags von RFID-Tags in Ersatzbrennstoffe (EBS) und Sekundärbaustoffe werden umfassend analysiert. Bioabfall wird im Rahmen eines Exkurses diskutiert. Das Forschungsprojekt adressiert potenzielle Risiken von RFID-Tags in der Siedlungsabfallentsorgung. Mögliche Chancen zur Verbesserung des Recyclings durch den Einsatz von RFID-Tags, z.B. bei elektrischen und elektronischen Geräten, werden nicht behandelt.
Notes: Umweltforschungsplan des Bundesministeriums für Umwelt, Naturschutz und Reaktorsicherheit; UFOPLAN-Nr. 3707 33 302
2007
R Zah, H Böni, M Gauch, R Hischier, M Lehmann, P Wäger (2007)  Ökobilanz von Energieprodukten.    
Abstract: Ãkologische Bewertung von Biotreibstoffen
Notes: 2007
2004
L M Hilty, P Wäger, M Lehmann, R Hischier, T Ruddy, M Binswanger (2004)  The future impact of ICT on environmental sustainability. Fourth Interim Report Refinement and quantification. Institute for Prospective Technology Studies (IPTS), Sevilla, 2004   Institute for Prospective Technology Studies (IPTS)  
Abstract: The objectives of Task 4 âRefinement and Quantificationâ of the study on the future impact of ICT on environmental sustainability are as follows: (i) to refine and quantify the scenarios developed in Task 3 by creating a simulation model of the impact of ICT on environmental sustainability, (ii) to estimate the model parameters based on the data collected in Task 2, on additional literature reviews and expert consultation, (iii) to provide input into Task 5 âEvaluation and Recommendationsâ by identifying the factors that have most influence on the environmental indicators.
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