René Itten, MSc ETH
René Itten, MSc ETH
ZHAW
School of Life Sciences and Facility Management
Institute of Natural Resource Sciences
Grüentalstrasse 14
8820 Wädenswil
Work at ZHAW
Position
Senior Researcher and Lecturer Life Cycle Assesment Research Group
Focus
- Life Cycle Inventory Modelling and LCA Databases
- Environmentally-extended Input-Output Analysis
- Life Cycle Impact Assessment Methodology
- Production and Transmission of Electricity and Heat
- Photovoltaic Supply Chain
Teaching
- Lead of Module Advanced Life Cycle Assessment, MSc ENR
- Lead of Module Sustainability Assessment, BSc Environmental Engineering
- Modul nachwachsende Rohstoffe (BSc Environmental Engineering)
Experience
- Research Associate
Life Cycle Assessment Research Group, Zurich University of Applied Sciences
01 / 2017 - 07 / 2024 - Research Associate
Life Cycle Assessment Specialist Group, Zurich University of Applied Sciences
08 / 2015 - 12 / 2016 - Project Manager Life Cycle Assessment (LCA)
treeze Ltd.
2012 - 2014 - Project Manager Life Cycle Assessment (LCA)
ESU-Services Ltd.
2010 - 2012
Education and Continuing education
Education
- Master of Science (MSc) / Environmental Engineering
Swiss Federal Institute of Technology (ETH)
2008 - 2010 - Bachelor of Science (BSc) / Environmental Engineering
Swiss Federal Institute of Technology (ETH)
2005 - 2008
Continuing Education
CAS University Didactics
Zurich University of Teacher Education (PHZH)
2019
Network
ORCID digital identifier
Social media
Media presence
Consumer magazine "Kassensturz" Swiss Radio and Television (SRF)
Projects
- Greengrocer Food Chain Modelling: Nutrition, Processing and Food Waste as Cornerstones of an Enhanced Model for Food System Networks / Team member / ongoing
- PEATLESS – Overcoming barriers for the adoption of alternative substrates with less peat content to support the Green Transition in horticulture / Deputy project leader / ongoing
- NPower – balancing Nitrogen and Phosphorus flows by budgeting at Regional scale / Deputy project leader / ongoing
- Spatial sustainable finance: Satellite-based ratings of company footprints in biodiversity and water / Team member / ongoing
- Multifuel SOFC system with Maritime Energy Vectors / Project leader / ongoing
- Digitising Environmental Impacts using Geospatial Analytics / Team member / completed
- BioVaR – Assessing and Digitizing Risk Exposure Resulting from Biodiversity Loss / Co-project leader / completed
- Life Cycle Inventories of solid fossil fuels / Project leader / completed
- Local food for the future / Team member / completed
- Remote Sensing Metrics for Life Cycle Assessment / Project leader / completed
- Environmental and Social Assessment at Mine Sites using Remote Sensing and Geoinformatics / Team member / completed
- ShopHero / Deputy project leader / completed
- Life Cycle Sustainability Assessment / Project leader / completed
- Integrated Bio-based Materials Value Chains / Team member / completed
- Extending the lifespan of mobile devices / Team member / completed
- Assessment of mineral oil tax relief for synthetic fuels from biological methanation / Deputy project leader / completed
- The Coffee Blockchain – From Field to Cup / Project leader / completed
- Validation of crude and mineral oil life cycle inventory datasets / Deputy project leader / completed
- Regionalised Agricultural Life Cycle Assessment / Project leader / completed
- Secure Management Platform for Shared Process Resources / Team member / completed
- EAT-IT / Team member / completed
- PV2050: Sustainability, market deployment and interaction to the grid – the impacts of advanced PV solutions / Team member / completed
- Robust and affordable process control technologies for improving standards and optimising industrial operations / Team member / completed
- ZHAW Agri-food Database / Team member / completed
Publications
Articles in scientific journal, peer-reviewed
- Bolliger, C., Itten, R., & Stucki, M. (2026). From farm to flavor : carbon and biodiversity footprint of the global spice market. Environmental Science & Technology. https://doi.org/10.1021/acs.est.5c04846
- Frehner, A., Stucki, M., & Itten, R. (2024). Are alpine floatovoltaics the way forward? Life-cycle environmental impacts and energy payback time of the worlds’ first high-altitude floating solar power plant. Sustainable Energy Technologies and Assessments, 68(103880). https://doi.org/10.1016/j.seta.2024.103880
- Kröhnert, H., Itten, R., & Stucki, M. (2022). Comparing flexible and conventional monolithic building design : life cycle environmental impact and potential for material circulation. Building and Environment, 2022(222), 109409. https://doi.org/10.1016/j.buildenv.2022.109409
- Bieser, J. C. T., Blumer, Y., Burkhalter, L., Itten, R., Jobin, M., & Hilty, L. M. (2022). Consumer-oriented interventions to extend smartphones’ service lifetime. Cleaner and Responsible Consumption, 7(100074). https://doi.org/10.1016/j.clrc.2022.100074
- Itten, R., Hischier, R., Andrae, A. S. G., Bieser, J. C. T., Cabernard, L., Falke, A., Ferreboeuf, H., Hilty, L. M., Keller, R., Lees-Perasso, E., Preist, C., & Stucki, M. (2020). Digital transformation - life cycle assessment of digital services, multifunctional devices and cloud computing. The International Journal of Life Cycle Assessment, 25(10), 2093–2098. https://doi.org/10.1007/s11367-020-01801-0
- Itten, R., & Stucki, M. (2017). Highly efficient 3rd generation multi-junction solar cells using silicon heterojunction and perovskite tandem : prospective life cycle environmental impacts. Energies, 10(7), 1–18. https://doi.org/10.3390/en10070841
- Kuroda, K., Itten, R., Kovalova, L., Ort, C., Weissbrodt, D. G., & McArdell, C. S. (2016). Hospital-use pharmaceuticals in Swiss waters modeled at high spatial resolution. Environmental Science & Technology, 50(9), 4742–4751. https://doi.org/10.1021/acs.est.6b00653
Written conference contributions, peer-reviewed
- Frehner, A., Stucki, M., & Itten, R. (2025, September 12). Decarbonising maritime shipping through multi-fuel solid oxide fuel cell pathways : synergies and trade-offs between environmental and social sustainability metrics. 12th International Conference on Life Cycle Management (LCM), Palermo, Italy, 9-12 September 2025. https://doi.org/10.21256/zhaw-34169
- Chryssolouris, D., Stössel, F., Itten, R., Godifredo Calvo, J., Rodrigo Señer, A., & Stucki, M. (2024, September 8). Integrated assessment of E-LCA and S-LCA based on a techno economic assessment of side stream valorization in the brewery industry. 14th LCA FOOD International Conference, Barcelona, Spain, 8-12 September 2024. https://doi.org/10.21256/zhaw-32196
- Frehner, A., & Itten, R. (2023, September 6). Life cycle assessment of bio-based materials : environmental impacts of the value chain from cyanobacteria to PHB. 11th International Conference on Life Cycle Management (LCM), Lille, France, 6-8 September 2023. https://doi.org/10.21256/zhaw-30499
- Götz, M., Stucki, M., & Itten, R. (2023, September 6). Environmental impacts of railway tunnel construction & operation : tunnel cross-section vs. traction energy demand. 11th International Conference on Life Cycle Management (LCM), Lille, France, 6-8 September 2023. https://doi.org/10.21256/zhaw-30527
- Chryssolouris, D., Itten, R., Regula, K., & Stucki, M. (2023, September 6). Life cycle sustainability assessment of a biorefinery for the valorisation of brewer’s spent grain. 11th International Conference on Life Cycle Management (LCM), Lille, France, 6-7-8 September 2023. https://doi.org/10.21256/zhaw-30535
- Jattke, M., Bieser, J., Blumer, Y., Itten, R., & Stucki, M. (2020). Environmental implications of service life extension of mobile devices [Conference paper]. In S. J. Otto, N. Korf, P. M. Mählitz, & V. S. Rotter (Eds.), WEEE plastic characterization and recyclability assessment : a case study for household appliances (pp. 163–170). Fraunhofer IZM. https://doi.org/10.21256/zhaw-20808
- Frischknecht, R., Bauer, C., Bucher, C., Ager-Wick Ellingsen, L., Gutzwiller, L., Heimbach, B., Itten, R., Liao, X., Panos, E., Pfister, S., Schmidt, T., Stahel, V., Stolz, P., Toggweiler, P., Treyer, K., Villeneuve, J., Wade, A., & Weil, M. (2018). LCA of key technologies for future electricity supply : 68th LCA forum, Swiss Federal Institute of Technology, Zurich, 16 April, 2018 [Conference paper]. The International Journal of Life Cycle Assessment, 23(8), 1716–1721. https://doi.org/10.1007/s11367-018-1496-y
- Stucki, M., Keller, R., Itten, R., & Eymann, L. (2018). Filling the Gap of Overfishing in LCIA: Eco-factors for Global Fish Resources. SETAC Europe 28th Annual Meeting, Rome, Italy, 13-17 May 2018. https://doi.org/10.21256/zhaw-5017
- Keller, R., Itten, R., & Stucki, M. (2018). Environmental benefits of a circular economy : connecting waste type and geographic proximity. SETAC Europe 28th Annual Meeting, Rome, Italy, 13-17 May 2018. https://doi.org/10.21256/zhaw-5015
- Jaisli, I., Bättig-Frey, P., Itten, R., & Stucki, M. (2018, September 30). Scientainment for sustainability : the eco-confessional as new approach for awareness raising. 1st Life Cycle Innovation Conference (LCIC), Berlin, 29-31 August 2018.
- Frischknecht, R., Bauer, C., Froemelt, A., Hellweg, S., Biemann, K., Buetler, T., Cox, B., de Haan, P., Hoerl, S., Itten, R., Jungbluth, N., Ligen, Y., Mathys, N. A., Schiess, S., Schori, S., van Loon, P., Wang, J., & Wettstein, S. (2017). LCA of mobility solutions: approaches and findings : 66th LCA forum, Swiss Federal Institute of Technology, Zurich, 30 August, 2017 [Conference paper]. The International Journal of Life Cycle Assessment, 23(2), 381–386. https://doi.org/10.1007/s11367-017-1429-1
- Stucki, M., & Itten, R. (2017, September 4). High efficient 3rd generation multi-junction solar cells using silicon heterojunction and perovskite technology : life cycle based environmental impacts. Life Cycle Management (LCM) 2017, Luxembourg, 3.-6. September 2017. https://doi.org/10.21256/zhaw-4833
- Itten, R., Stucki, M., & Steinegger, T. (2017, September 4). Wooden mounting systems : how to reduce environmental impacts of building integrated photovoltaic power plants. Life Cycle Management (LCM) 2017, Luxembourg, 3.-6. September 2017.
- Koller, C., Stucki, M., Mathez, S. A., Itten, R., & Frei, S. (2016). Carbon footprint of a PV/T liquid collector. 26. Symposium Thermische Solarenergie : 20. Bis 22. April 2016, Kloster Banz, Bad Staffelstein.
Other publications
- Itten, R., Oberschelp, C., Kröhnert, H., & Stucki, M. (2023). Life Cycle Inventories of solid fossil fuels : updates for electricity generation from hard coal, lignite and peat. ZHAW Zürcher Hochschule für Angewandte Wissenschaften. https://doi.org/10.21256/zhaw-30218
- Keller, R., Stucki, M., & Itten, R. (2023). Projekt Digitale Suffizienz : Ökobilanzbericht zur Nutzung digitaler Geräte durch Jugendliche in der Schweiz. ZHAW Zürcher Hochschule für Angewandte Wissenschaften. https://doi.org/10.21256/zhaw-26925
- Frehner, A., Itten, R., & Stucki, M. (2022). Life cycle assessment of bio-based materials : environmental impacts of the value chain from cyanobacteria to PHB. ZHAW Zürcher Hochschule für Angewandte Wissenschaften. https://doi.org/10.21256/zhaw-26461
- Itten, R., & Stucki, M. (2022). Ökofaktoren für marine Fischressourcen in Ökobilanzen. ZHAW Zürcher Hochschule für Angewandte Wissenschaften. https://doi.org/10.21256/zhaw-2650
- Gassmann, R., & Itten, R. (2022). Kundenbindung durch Blockchain : führen mehr Transparenz und mehr Möglichkeiten zur Mitbestimmung zu einer verstärkten Kundenbindung? Logistics Innovation, 2021(2), 10–13. https://doi.org/10.21256/zhaw-24790
- Lütolf, P., & Itten, R. (2022). CoffeeCoin macht Kaffee transparenter. Foodaktuell, 1, 30–31. https://www.foodaktuell.ch/2021/12/16/coffeecoin-macht-kaffee-transparenter
- Bionda, D., Settembrini, G., Domingo, S., Zeifang, H., Itten, R., & Stucki, M. (2021). SYGREN : Systemkennwerte Graue Energie Gebäudetechnik. Bundesamt für Energie BFE. https://www.aramis.admin.ch/Default?DocumentID=67175&Load=true
- Itten, R., Stucki, M., & Glauser, L. (2021). Life cycle assessment of artificial and natural turf sports fields : executive summary. ZHAW Zürcher Hochschule für Angewandte Wissenschaften. https://doi.org/10.21256/zhaw-21510
- Itten, R., Glauser, L., & Stucki, M. (2020). Ökobilanzierung von Rasensportfeldern : Natur-, Kunststoff- und Hybridrasen der Stadt Zürich im Vergleich. ZHAW Zürcher Hochschule für Angewandte Wissenschaften. https://doi.org/10.21256/zhaw-20774
- Stucki, M., & Itten, R. (2018). Power-to-Gas für den Klimaschutz : wie umweltfreundlich ist synthetisches Methan? Aqua & Gas, 9, 15–19.
- Frischknecht, R., Itten, R., Sinha, P., de Wild-Scholten, M., Zhang, J., Fthenakis, V., Kim, H. C., Raugei, M., & Stucki, M. (2015). Life cycle inventories and life cycle assessment of photovoltaic systems. International Energy Agency (IEA) PVPS Task 12. http://www.iea-pvps.org/fileadmin/dam/public/report/technical/IEA-PVPS_Task_12_LCI_LCA.pdf
- Frischknecht, R., Itten, R., Wyss, F., Blanc, I., Heath, G., Raugei, M., Sinha, P., & Wade, A. (2015). Life cycle assessment of future photovoltaic electricity production from residential-scale systems operated in Europe. International Energy Agency Photovoltaic Power Systems Programme (IEA-PVPS). http://iea-pvps.org/index.php?id=314&eID=dam_frontend_push&docID=2391
Oral conference contributions and abstracts
- Stucki, M., Frehner, A., & Itten, R. (2025, September 12). Decarbonising maritime shipping through multi-fuel solid oxide fuel cell pathways : synergies and trade-offs between environmental and social sustainability metrics. 12th International Conference on Life Cycle Management (LCM), Palermo, Italy, 9-12 September 2025.
- Götz, M., Itten, R., & Terzer, E. (2025, September 11). Global biodiversity footprints of agricultural production systems : comparing the biodiversity impacts of staple and luxury food crops. 12th International Conference on Life Cycle Management (LCM), Palermo, Italy, 9-12 September 2025.
- Frehner, A., Itten, R., & Stucki, M. (2024, November 22). The challenge of integrating the triple bottom line : LCSA of a multi-fuel propulsion system for sustainable shipping. 88th LCA Discussion Forum Frontiers in Life Cycle Sustainability Assessment – How Can Life Cycle Thinking Embrace the Triple Bottom Line?, Wädenswil, Switzerland, 22 November 2024. https://video.ethz.ch/events/lca/2024/autumn/88th/17a26c55-7457-4369-bf5d-a89bd7b2168f.html
- Götz, M., & Itten, R. (2024, July). Biodiversity footprints of EV battery technologies : comparing the biodiversity impacts of mineral & metal mining. 4th Life Cycle Innovation Conference (LCIC), Berlin, Germany (Hybrid), 3 - 5 July 2024.
- Götz, M., Itten, R., Orpiszewski, T., Hauser, L., & Laube, P. (2023, September). Life cycle approaches for biodiversity impacts of mining and resource extraction : combining remote sensing and life cycle assessment. World Resources Forum, Geneva, Switzerland, 4-6 September 2023.
- Itten, R., Götz, M., & Kröhnert, H. (2023, September 8). Remote sensing based data products for large scale life cycle inventory models. 11th International Conference on Life Cycle Management (LCM), Lille, France, 6-8 September 2023.
- Frehner, A., Itten, R., & Stucki, M. (2023, September 7). Decarbonizing maritime shipping : life cycle sustainability assessment of a multi-fuel capable propulsion system based on solid oxide fuel cell technology. 11th International Conference on Life Cycle Management (LCM), Lille, France, 6-8 September 2023.
- Burkhalter, L., & Itten, R. (2023, April 24). Ein längeres Leben für Smartphones & Co. ZHAW sustainable Lunch, online, 24. April 2023.
- Itten, R., & Kägi, T. (2022, November 4). Life cycle assessment of artificial turf : importance of microplastics. 82nd Cycle Assessment Discussion Forum (LCA DF), Zurich, Switzerland, 4 November 2022. https://lca-forum.ch/fileadmin/generic_lib/Resources/Public/Downloads/DF82/11_Itten.pdf
- Itten, R., Jattke, M., & Bieser, J. (2022, September 15). Repair services and their rebound effects. 81st Life Cycle Assessment Discussion Forum (LCA DF), Wädenswil, Switzerland, 15 September 2022.
- Itten, R., Glauser, L., & Stucki, M. (2022, September 8). Artificial versus natural turf sports fields : life cycle environmental impacts. INUAS Conference 2022 “Urban Transformations: Public Spaces”, Winterthur, Switzerland, 7-9 September 2022.
- Itten, R., Jattke, M., & Bieser, J. (2022, June 29). Minimising rebound effects of lifetime extension : sustainable business models for mobile, internet-enabled devices. 3rd Life Cycle Innovation Conference (LCIC), Berlin, Germany (Hybrid), 29 June - 1 July 2022.
- Itten, R., Glauser, L., & Stucki, M. (2022, March 31). Life cycle assessment of turf sports fields. Europe, Middle East and Africa Synthetic Turf Council (ESTC) Congress, Nice, France, 31 March 2022.
- Itten, R., Jattke, M., Bieser, J., & Stucki, M. (2021, September 7). Direct and indirect environmental effects of service lifetime extension of mobile internet enabled devices. 10th International Conference on Life Cycle Management (LCM), Virtual, 5-8 September 2021. https://lcm2021-media.org/document/direct-and-indirect-environmental-effects-of-service-lifetime-extension-of-mobile-internet-enabled-devices/
- Jattke, M., Itten, R., Stucki, M., Ortiz Perez, C. M., & Kanyange, N. (2021, September 7). Using blockchain to change the way we manage life cycle data for coffee supply chains. 10th International Conference on Life Cycle Management (LCM), Virtual, 5-8 September 2021. https://lcm2021-media.org/document/using-blockchain-to-change-the-way-we-manage-life-cycle-data-for-coffee-supply-chains/
- Itten, R., Sabina, M., Stucki, M., & Brottier, L. (2020, September 10). Merging photovoltaic panels and solar thermal collectors : how photovoltaic thermal (PVT) hybrid collectors boost environmental performance. 37th European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC), Online, 7-11 September 2020.
- Itten, R., Jattke, M., Stucki, M., Lütolf, P., & Gassmann, R. (2020, August 27). Blockchain in agro-food business : boosting transparency and trust in the coffee value chain with distributed ledgers. 2nd Life Cycle Innovation Conference (LCIC), Online, 26-28 August 2020.
- Jattke, M., Itten, R., Stucki, M., & Keller, R. (2020, August 26). Environmental implications caused by disruptive business models for service life extension of mobile devices. 2nd Life Cycle Innovation Conference (LCIC), Online, 26-28 August 2020.
- Jattke, M., Itten, R., & Stucki, M. (2020, June 29). Sustainable business models to extend the lifetime of mobile internet-enabled devices. 74th LCA Discussion Forum on Life Cycle Assessment, Online, 29 June 2020.
- Itten, R., Stucki, M., Clua Longas, A., & Cattaneo, G. (2019, September 12). Active façades : life cycle environmental impacts and savings of photovoltaic power plants integrated into the building envelope. 36th European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC), Marseille, France, 9-13 September 2019.
- Itten, R., Stucki, M., Clua Longas, A., & Cattaneo, G. (2019, September 3). Active façades : life cycle environmental impacts and savings of photovoltaic power plants integrated into the building envelope. 9th International Conference on Life Cycle Management, Poznan, Poland, 1-4 September 2019.
- Stahel, V., Itten, R., & Stucki, M. (2018, September 28). Integration of photovoltaic power plants into the grid : life cycle environmental impacts of infrastructure adaptations for photovoltaic electricity. 35th European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC), Brussels, Belgium, 24-27 September 2018. https://userarea.eupvsec.org/proceedings/35th-EU-PVSEC-2018/5EO.1.5/
- Itten, R., & Stucki, M. (2018, August 30). Transformation of waste to resources : life cycle based benefits of the circular economy. 1st Life Cycle Innovation Conference (LCIC), Berlin, 29-31 August 2018.
- Itten, R., Keller, R., & Stucki, M. (2018, August 30). The Generation Z and the environmental impact of their digital media behaviour. 1st Life Cycle Innovation Conference (LCIC), Berlin, 29-31 August 2018.
- Itten, R., & Stucki, M. (2018, April 16). Highly efficient multi-junction solar cells using silicon heterojunction and perovskite tandem : prospective life cycle environmental impacts. 68th LCA Discussion Forum on Life Cycle Assessment, Zürich, 16. April 2018. http://www.lcaforum.ch/portals/0/df68/DF68-12_Itten.pdf
- Wettstein, S., Itten, R., & Stucki, M. (2017, August 30). Environmental impacts of the CO2 methanation value chain : implications on mobility with passenger cars. 66th LCA Discussion Forum: LCA of Mobility Solutions: Approaches and Findings, Zürich, 30. August 2017. http://www.lcaforum.ch/portals/0/df66/DF66-13_Itten.pdf
- Itten, R. (2016, November 30). Industrial symbiosis and LCA. 63rd LCA Discussion Forum: How Can LCA Support the Circular Economy?, Zurich, 30 November 2016.
Publications before appointment at the ZHAW
- Frischknecht R., Nathani C., Stolz P., Wyss F. and Itten R. (2015) Extension of a Disaggregated Input-Output Table with Environmental Data for the Year 2008. treeze Ltd / Rütter Soceco AG, commissioned by the Swiss Federal Office for the Environment (FOEN), Uster / Rüschlikon.
- Frischknecht R., Nathani C., Büsser Knöpfel S., Itten R., Wyss F. and Hellmüller P. (2014) Entwicklung der weltweiten Umweltauswirkungen der Schweiz; Umweltauswirkungen von Konsum und Produktion von 1996 bis 2011. treeze Ltd / Rütter Soceco AG, commissioned by the Swiss Federal Office for the Environment (FOEN), Uster / Rüschlikon.
- Frischknecht R., Nathani C., Büsser Knöpfel S., Itten R., Wyss F. and Hellmüller P. (2014) Technischer Bericht Gesamtumweltbelastung Schweiz. treeze Ltd / Rütter Soceco AG, commissioned by the Swiss Federal Office for the Environment (FOEN), Uster / Rüschlikon.
- Frischknecht R. and Itten R. (2014) PEFCR photovoltaic electricity generation. treeze Ltd. commissioned by Technical Secretariat PEF Pilot "Photovoltaic Electricity Generation", Uster, Switzerland.
- Itten R., Wyss F. and Frischknecht R. (2014) LCI of the global crystalline photovoltaics supply chain and of future photovoltaics electricity production. treeze Ltd., Uster, Switzerland.
- Itten R., Frischknecht R. and Stucki M. (2014) Life Cycle Inventories of Electricity Mixes and Grid, Version 1.3. treeze Ltd., Uster, Switzerland, retrieved from: www.treeze.ch.
- Itten R. and Frischknecht R. (2014) Primärenergiefaktoren von Energiesystemen, Version 2.2+, Stand April 2014. Im Auftrag des Bundesamt für Umwelt BAFU und der Koordinationskonferenz der Bau- und Liegenschaftsorgane der öffentlichen Bauherren KBOB, Uster, CH, retrieved from: www.treeze.ch.
- Wyss F., Frischknecht R., Itten R., Pfäffli K. and John V. (2014) Richtwert Gesamtumweltbelastung Gebäude - Entwurf. Bundesamt für Energie, BfE Bundesamt für Umwelt BAFU Amt für Hochbauten Stadt Zürich AHB.
- Wyss F., Frischknecht R. and Itten R. (2014) Hintergrundbericht zur Aktualisierung der Materialdaten der KBOB-Liste, v2.2+ Stand 2014. Bundesamt für Umwelt BAFU, Koordinationskonferenz der Bau- und Liegenschaftsorgane der öffentlichen Bauherren KBOB
- Itten R. and Frischknecht R. (2013) Externe Kosten von Energiesystemen gemäss ECOPLAN. treeze Ltd., Uster, CH
- Frischknecht R., Büsser Knöpfel S. and Itten R. (2013) Indicators on Global Environmental Impacts Related to Domestic Consumption. treeze Ltd., Uster, CH.
- Jungbluth N. and Itten R. (2012) Umweltbelastungen des Konsums in der Schweiz und in der Stadt Zürich: Grundlagendaten und Reduktionspotenziale, . Energieforschung der Stadt Zürich, Bericht Nr. 8, Forschungsprojekt FP-1.1, Zürich.
- Jungbluth N., Itten R. and Stucki M. (2012) Umweltbelastungen des privaten Konsums und Reduktionspotenziale. ESU-services Ltd. im Auftrag des BAFU, Uster, CH, retrieved from: http://www.esu-services.ch/projects/lifestyle/.
- Itten R., Jungbluth N. and Stucki M. (2011) Life Cycle Assessment of Burning Different Solid Biomass Substrates. im Auftrag des Bundesamtes für Energie BfE, ESU-services Ltd., Uster, retrieved from: http://www.esu-services.ch/publications/energy/.
- Stucki M., Büsser S., Itten R., Frischknecht R. and Wallbaum H. (2011) Comparative Life Cycle Assessment of Geosynthetics versus Conventional Construction Material. ESU-services Ltd. commissioned by European Association for Geosynthetic Manufacturers (EAGM), Uster and Zürich, CH.
- Frischknecht R. and Itten R. (2011) Primärenergiefaktoren von Energiesystemen, Version 2.2. im Auftrag des Bundesamtes für Energie BfE, ESU-services Ltd., Uster, CH, retrieved from: http://www.esu-services.ch/publications/energy/.
- Frischknecht R., Stucki M. and Itten R. (2011) Primärenergiefaktoren von Transportsystemen, Version 2.2. im Auftrag des Bundesamtes für Energie BfE, ESU-services Ltd., Uster, CH, retrieved from: http://www.esu-services.ch/publications/energy/.