Prof. Dr. Jens Borken-Kleefeld

scientific activities

since 09/2022 Professor of Transport Ecology, Faculty of Transport and Traffic Sciences, Technische Universität Dresden

since 04/2008 Senior Scientist, IIASA – International Institute for Applied Systems Analysis, Department for Air Quality and Greenhouse Gases (AIR), Laxenburg/AT

2002 - 2008 Research Associate, DLR - German Aerospace Center, Institute for Transport Research, Berlin

2004 Visiting scientist at Laboratoire Transport et Environnement, INRETS - French National Transportation Research Institute, Bron/FR, (now IFFSTAR)

1996 - 2002 Research Associate, IFEU - Institute for Energy and Environmental Research Heidelberg gGmbH, Department of Transport & Environment

university degrees

2003 - 2005 University of Freiburg im Breisgau
Dr. rer. nat. with a thesis on the environmental assessment of traffic, Faculty of Applied Sciences (part-time): "Environmental indicators as an instrument of technology assessment"

1996 - 1998 University of Heidelberg
Postgraduate training, Diploma in:
International Environmental Law and Ecological Economics

1993 - 1994 Imperial College, London/Great Britain
MSc / International Diploma: "Quantum Fields and Fundamental Forces"
Full scholarship from the German Academic Exchange Service (DAAD)

1990 - 1996 Universities of Bonn and Heidelberg
Graduate physicist with a thesis in environmental physics: "Ozone depletion in the arctic boundary layer: Reaction-kinetic model calculations for a spring phenomenon"

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Peer-reviewed articles

• Shu, Y., Hu, J., Zhang, S., Schöpp, W., Tang, W., Du, J., ... & Xie, D. (2022). Analysis of the air pollution reduction and climate change mitigation effects of the Three-Year Action Plan for Blue Skies on the “2+ 26” Cities in China. Journal of Environmental Management, 317, 115455.
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• Qiu, M., & Borken-Kleefeld, J. (2022). Using snapshot measurements to identify high-emitting vehicles. Environmental Research Letters, 17(4), 044045.
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• Rauterberg-Wulff, A., Schmidt, W., Düring, I., & Borken-Kleefeld, J. (2021). Bestimmung der Real-Emissionen von Kraftfahrzeugen im Berliner Straßenverkehr. Immissionsschutz, (3).
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• Amann, M., Kiesewetter, G., Schöpp, W., Klimont, Z., Winiwarter, W., Cofala, J., ... & Pavarini, C. (2020). Reducing global air pollution: the scope for further policy interventions. Philosophical Transactions of the Royal Society A, 378(2183), 20190331.
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• Chen, Y., Sun, R., & Borken-Kleefeld, J. (2020). On-Road NO x and smoke emissions of Diesel light commercial vehicles–combining remote sensing measurements from across Europe. Environmental Science & Technology, 54(19), 11744-11752.
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• Davison, J., Bernard, Y., Borken-Kleefeld, J., Farren, N. J., Hausberger, S., Sjödin, Å., ... & Carslaw, D. C. (2020). Distance-based emission factors from vehicle emission remote sensing measurements. Science of the Total Environment, 739, 139688.
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• Chen, Y., Zhang, Y., & Borken-Kleefeld, J. (2019). When is enough? Minimum sample sizes for on-road measurements of car emissions. Environmental Science & Technology, 53(22), 13284-13292.
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• Purohit, P., Amann, M., Kiesewetter, G., Rafaj, P., Chaturvedi, V., Dholakia, H. H., ... & Sander, R. (2019). Mitigation pathways towards national ambient air quality standards in India. Environment international, 133, 105147.
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• Rafaj, P., Kiesewetter, G., Gül, T., Schöpp, W., Cofala, J., Klimont, Z., ... & Cozzi, L. (2018). Outlook for clean air in the context of sustainable development goals. Global Environmental Change, 53, 1-11.
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• Li, C., Borken-Kleefeld, J., Zheng, J., Yuan, Z., Ou, J., Li, Y., ... & Xu, Y. (2018). Decadal evolution of ship emissions in China from 2004 to 2013 by using an integrated AIS-based approach and projection to 2040. Atmospheric Chemistry and Physics, 18(8), 6075-6093.
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• Höglund-Isaksson, L., Purohit, P., Amann, M., Bertok, I., Rafaj, P., Schöpp, W., & Borken-Kleefeld, J. (2017). Cost estimates of the Kigali Amendment to phase-down hydrofluorocarbons. Environmental Science & Policy, 75, 138-147.
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• Jonson, J. E., Borken-Kleefeld, J., Simpson, D., Nyíri, A., Posch, M., & Heyes, C. (2017). Impact of excess NOx emissions from diesel cars on air quality, public health and eutrophication in Europe. Environmental Research Letters, 12(9), 094017.
  Most downloaded paper for 4 weeks, about 26400 full text downloads since 18 Sept 2017; “in the top 5% of all research outputs scored by Altmetric”.
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• Klimont, Z., Kupiainen, K., Heyes, C., Purohit, P., Cofala, J., Rafaj, P., ... & Schöpp, W. (2017). Global anthropogenic emissions of particulate matter including black carbon. Atmospheric Chemistry and Physics, 17(14), 8681-8723. (see also: Atmospheric Chemistry and Physics Discussions 17 (14): 8681-8723. doi: 10.5194/acp-2016-880.)
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• Amann, M., Purohit, P., Bhanarkar, A. D., Bertok, I., Borken-Kleefeld, J., Cofala, J., ... & Vardhan, B. H. (2017). Managing future air quality in megacities: A case study for Delhi. Atmospheric Environment, 161, 99-111.
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• Chen, Y., & Borken-Kleefeld, J. (2016). NO x emissions from diesel passenger cars worsen with age. Environmental science & technology, 50(7), 3327-3332.
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• Zheng, B., Zhang, Q., Borken-Kleefeld, J., Huo, H., Guan, D., Klimont, Z., ... & He, K. (2015). How will greenhouse gas emissions from motor vehicles be constrained in China around 2030?. Applied Energy, 156, 230-240.
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• Borken-Kleefeld, J., & Chen, Y. (2015). New emission deterioration rates for gasoline cars–Results from long-term measurements. Atmospheric Environment, 101, 58-64.
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• Kiesewetter, G., Borken-Kleefeld, J., Schöpp, W., Heyes, C., Thunis, P., Bessagnet, B., ... & Amann, M. (2015). Modelling street level PM 10 concentrations across Europe: source apportionment and possible futures. Atmospheric Chemistry and Physics, 15(3), 1539-1553.
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• Chen, Y., & Borken-Kleefeld, J. (2014). Real-driving emissions from cars and light commercial vehicles–Results from 13 years remote sensing at Zurich/CH. Atmospheric Environment, 88, 157-164.
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• Kiesewetter, G., Borken-Kleefeld, J., Schöpp, W., Heyes, C., Thunis, P., Bessagnet, B., ... & Amann, M. (2014). Modelling NO 2 concentrations at the street level in the GAINS integrated assessment model: projections under current legislation. Atmospheric Chemistry and Physics, 14(2), 813-829.
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• Aamaas, B., Borken-Kleefeld, J., & Peters, G. P. (2013). The climate impact of travel behavior: A German case study with illustrative mitigation options. Environmental Science & Policy, 33, 273-282.
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• Borken-Kleefeld, J., Fuglestvedt, J., & Berntsen, T. (2013). Mode, load, and specific climate impact from passenger trips. Environmental science & technology, 47(14), 7608-7614. Best Policy Paper in ES&T in 2013.
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• Wagner, F., Amann, M., Borken-Kleefeld, J., Cofala, J., Höglund-Isaksson, L., Purohit, P., ... & Winiwarter, W. (2012). Sectoral marginal abatement cost curves: implications for mitigation pledges and air pollution co-benefits for Annex I countries. Sustainability Science, 7(2), 169-184.
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• Amann, M., Bertok, I., Borken-Kleefeld, J., Cofala, J., Heyes, C., Höglund-Isaksson, L., ... & Winiwarter, W. (2011). Cost-effective control of air quality and greenhouse gases in Europe: Modeling and policy applications. Environmental Modelling & Software, 26(12), 1489-1501.
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• Saikawa, E., Kurokawa, J., Takigawa, M., Borken-Kleefeld, J., Mauzerall, D. L., Horowitz, L. W., & Ohara, T. (2011). The impact of China's vehicle emissions on regional air quality in 2000 and 2020: a scenario analysis. Atmospheric Chemistry and Physics, 11(18), 9465-9484.
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• Borken-Kleefeld, J., Berntsen, T., & Fuglestvedt, J. (2011). Times Matter! Response to Wallington et al. Environmental Science & Technology, 45(7), 3167-3168.
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• Borken-Kleefeld, J., Sausen, R. (2011). „Wie viel tragen die „klassischen“ Luftschadstoffe zur globalen Erwärmung bei?“ Internationales Verkehrswesen (63) 1, p.50-52.
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• Myhre, G., Shine, K. P., Rädel, G., Gauss, M., Isaksen, I. S. A., Tang, Q., ... & Fuglestvedt, J. S. (2011). Radiative forcing due to changes in ozone and methane caused by the transport sector. Atmospheric Environment, 45(2), 387-394.
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• Borken-Kleefeld, J., Berntsen, T., Fuglestvedt, J.: Specific climate impact of passenger and freight transport. Environmental Science & Technology, 2010, 44 (15), pp 5700–5706. for >12 months among the most downloaded papers.
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• Uherek, E., Halenka, T., Borken-Kleefeld, J., Balkanski, Y., Berntsen, T., Borrego, C., ... & Schmid, S. (2010). Transport impacts on atmosphere and climate: Land transport. Atmospheric environment, 44(37), 4772-4816.
  for >36 months among the most downloaded papers.
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• Baidya, S., & Borken-Kleefeld, J. (2009). Atmospheric emissions from road transportation in India. Energy Policy, 37(10), 3812-3822.
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• Hoor, P., Borken-Kleefeld, J., Caro, D., Dessens, O., Endresen, O., Gauss, M., ... & Sausen, R. (2009). The impact of traffic emissions on atmospheric ozone and OH: results from QUANTIFY. Atmospheric Chemistry and Physics, 9(9), 3113-3136.
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• Birmili, W., Alaviippola, B., Hinneburg, D., Knoth, O., Tuch, T., Borken-Kleefeld, J., & Schacht, A. (2009). Dispersion of traffic-related exhaust particles near the Berlin urban motorway–estimation of fleet emission factors. Atmospheric Chemistry and Physics, 9(7), 2355-2374.
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• Borken, J. and Keimel, H. (2007). Mobilität und Verkehr im Rahmen einer nachhaltigen Entwicklung. Internationales Verkehrswesen 59, 10/2007.
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• Borken, J., Steller, H., Meretei, T., & Vanhove, F. (2007). Global and country inventory of road passenger and freight transportation: fuel consumption and emissions of air pollutants in year 2000. Transportation research record, 2011(1), 127-136.
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• Borken, J., Fleischer, T., & Halbritter, G. (2006). Zukunftsfähige Verkehrspolitik–Ansätze für den Personenverkehr: Einführung in den Schwerpunkt. TATuP-Zeitschrift für Technikfolgenabschätzung in Theorie und Praxis, 15(3), 4-11.
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• Becker, U., Arlt, G., Beckmann, K., Borken, J., Gorissen, N., Hensel, H., Holz-Rau, C., Jakob, T., Klewe, H., Kritzinger, S., Reiter, U., Richard, J., Wacker, M. und Wilke, G. 2003: Nachhaltige Verkehrsentwicklung. Forschungsgesellschaft für Straßen- und Verkehrswesen (Hg.) FGSV-Arbeitspapier Nr. 59.
• Borken, J. and Höpfner, U. 2000: Es liegt noch länger etwas in der Luft. Deutsche Verkehrs-Zeitung Nr. 151, 19 Dec 2000, S. 12.
• Borken, J., Patyk, A., Reinhardt, G.A., 1998: Landmaschinen und Ökobilanzen - Eine Methode zur differenzierten Bilanzierung von Kraftstoffverbrauch und Emissionen. VDI Berichte, 1449, 1998, p. 133-138.

Book contributions

• Heidegger, F., Gerike, R., Schmidt, W., Becker, U., & Borken-Kleefeld, J. (2020). Road-Traffic Emissions. In Managing Air Quality and Energy Systems (pp. 47-60). CRC Press.
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• OECD IEA IIASA (2016). Energy and Air Pollution: World Energy Outlook Special Report 2016. International Energy Agency, Paris, France.
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• Cofala, J., Bertok, I., Borken-Kleefeld, J., Heyes, C., Kiesewetter, G., Klimont, Z., ... & Amann, M. (2015). Implications of energy trajectories from the World Energy Outlook for 2015 for India's air pollution.
• Boulter, P. G., Borken-Kleefeld, J., & Ntziachristos, L. (2012). The evolution and control of NO x emissions from road transport in Europe. Urban air quality in Europe, 31-53.
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• Borken, J. (2008). How big is Rail's Contribution to Local Air Pollution?. In Community of European Railway and Infrastructure Companies (CER) and Local Transport Ltd (ed.): Trail Transport and the Environment: Meeting the challenge. (pp. 61-67).
• Steller, H., & Borken, J. (2006). Global road transport’s emission inventory for the year 2000. In Proceedings of an International Conference on Transport, Atmosphere and Climate (TAC) (pp. 61-66). Luxembourg, Office for Official Publications of the European Communities.
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• Krasenbrink, A., Keuken, M., Borken, J. et al. 2005: Factors determining emissions in the WHO European Region (Ch.1) and Contribution of traffic to levels of ambient air pollution in Europe (Ch.2). In: Health effects of transport related air pollution. Eds.: M. Krzyzanowski, B. Kuna-Dibbert, J. Schneider 2005, 206 + xvi pp. World Health Organisation (WHO) Copenhagen, ISBN 92-890-1373-7.
• Borken, J. and Höpfner, U. (2000). Mobilität nachhaltig verkehrt? In: M. Roth et al. (Hrsg.) Themenparkkatalog der EXPO 2000, Bd. 1, Springer Verlag, Wien/New York/Heidelberg, ISBN: 3-211-83434-6, pp. 101-105.
• Borken, J. (2000). Growing traffic and better air quality? Emission modelling shows declining traffic pollutant emissions In: Ratka, R. (Deutsche Stiftung für Internationale Entwicklung DSE) (Hg.): Environmental Issues in Investment Planning for Sustainable Development. Proceedings of a Seminar for Planning Experts from Vietnam, Germany June 2000. pp. 147-153, ISBN-Nr.: 3-00-009599-3.
• Borken, J. und Höpfner, U. 1998: Sustainable mobility – nachhaltig verkehrt? In: Schmidt, M. und Höpfner, U. (Ed.): 20 Jahre ifeu-Institut - Engagement für die Umwelt zwischen Wissenschaft und Politik. Vieweg Verlag Braunschweig/Wiesbaden 1998, ISBN: 3-528-06980-5, pp. 145-152.
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• Mangelsdorf, I. et al. 1998: Durchführung eines Risikovergleiches zwischen Dieselmotoremissionen und Ottomotoremissionen hinsichtlich ihrer kanzerogenen und nicht-kanzerogenen Wirkungen. (Fraunhofer ITA, Hannover, IFEU Heidelberg, Med. Inst. f. Umwelthygiene, Düsseldorf, FoBiG Freiburg) Forschungsbericht 297 61 001/01 Im Auftrag des Umweltbundesamt. UBA Berichte 2/99, Erich Schmidt Verlag Berlin 1999, ISBN: 3-503-04862-6, 302 p.
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• Gühnemann, A. et al. 1998: Entwicklung eines Verfahrens zur Aufstellung umweltorientierter Fernverkehrskonzepte als Beitrag zur Bundesverkehrswegeplanung. (IWW Karlsruhe, IFEU Heidelberg, KuP Freiburg, PÖU Hannover, PTV Karlsruhe) Im Auftrag des Umweltbundesamt (F+E-Vorhaben Nr. 105 060 01). Karlsruhe 1998. UBA Berichte 4/99, ISBN: 3-503-04825-1, 490 p.

Books

• Borken, J. 2005: Umweltindikatoren als ein Instrument der Technikfolgenabschätzung – Selektion, Aggregation und multi-kriterielle Bewertung am Beispiel des Verkehrs. PhD-Dissertation at University Freiburg/Breisgau, Faculty for Applied Sciences. 26. April 2005. 153 pp + VIII. ; urn:nbn:de:bsz:25-opus-19385.
  http://www.freidok.uni-freiburg.de/volltexte/1938/
• Keimel, H., Berghof, R., & Borken, J. (2004). Nachhaltige Mobilitaet integrativ betrachtet (Global zukunftsfaehige Entwicklung-Perspektiven fuer Deutschland) (No. 9).
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• Borken, J., Patyk, A., Reinhardt, G. 1999: Basisdaten für ökologische Bilanzierungen – Einsatz von Nutzfahrzeugen in Gütertransport, Landwirtschaft und Bergbau. Vieweg Braunschweig/Wiesbaden 1999, ISBN: 3-528-03118-2, 223 p. + XIII

Editorships

• Associate Editor for Frontiers in Environmental Science – Air Pollution, 2016-2019 https://www.frontiersin.org/journals/environmental-science/sections/air-pollution#
• Editor for Land Transport for ecoinvent - Swiss Center for Life Cycle Inventories, seit 2013 (http://www.ecoinvent.org/)
• Mit T. Fleischer und G. Halbritter: Zukunftsfähige Verkehrspolitik: Ansätze für den Personenverkehr. Technikfolgenabschätzung - Theorie und Praxis, 3, 2006. Hocke-Bergler, Peter; Grunwald, Armin; Hoffmann, Brigitte [Hrsg.]: Forschungszentrum Karlsruhe, ITAS Institut für Technikfolgenabschätzung und Systemanalyse, S. 4 - 11, Dez. 2006. ISSN 1619-7623.

Evaluation of environmental and health effects of transport

Lambrecht, U., Höpfner, U., Borken, J., Voß, J-U., Böhncke, A., Mangelsdorf, I., Heinrich, U., Schneider, K., Roller, M. 1999: Immissionsnaher Risikovergleich von Diesel- und Ottoabgasen - Auswirkung zukünftiger Grenzwerte auf die Luftqualität und die Gesundheit. Commissioned by Umweltbundesamt. Heidelberg/Berlin, Oktober 1999. 95 S.

Review of the EU Thematic Strategy on Air Pollution (TSAP)
(Mehrjährige Unterstützung der EU Kommission, DG Environment, je Mitautor)

• TSAP Report #1: Future emissions of air pollutants in Europe - Current legislation baseline and the scope for further reductions. (June 2012)
• TSAP Report #4: The potential for further controls of emissions from mobile sources in Europe. Version 2.0 (November 2012). (lead author)
• TSAP Report #6: TSAP-2012 baseline: Health and environmental impacts. (November 2012)
• TSAP Report #8: Compliance with EU air quality limit values - a first set of sensitivity and optimization analyses. (November 2012)
• TSAP Report #9: Modelling compliance with NO2 and PM10 air quality limit values in the GAINS model. (March 2013)
• TSAP Report #10: Policy scenarios for the revision of the Thematic Strategy on Air Pollution. Version 1.2 (revised 10 April 2013).
• TSAP Report #11: The Final Policy Scenarios of the EU Clean Air Policy Package. Version 1.1a (revised 28 February 2014).
• TSAP Report #13: Summary of the Bilateral Consultations with National Experts on the GAINS Input Data. Update version 2.1 (September 2014).
  Addendum to TSAP#13.
• TSAP Report #14: Updates to the GAINS Model Databases after the Bilateral Consultations with National Experts in 2014. (September 2014).
• TSAP Report #16A: Adjusted historic emission data, projections, and optimized emission reduction targets for 2030 - a comparison with COM data 2013. Part A: Results for EU-28. (2015)
• TSAP Report #16B: Adjusted historic emission data, projections, and optimized emission reduction targets for 2030-a comparison with COM data 2013. Part B: Results for Member States. (2015)

Amann M, Bertok I, Borken-Kleefeld J, Cofala J, Heyes C, Höglund-Isaksson L, Klimont Z, Rafaj P, Schöpp W, Wagner F: Environmental improvements of the 2012 revision of the Gothenburg Protocol. CIAM Report 1/2012, Version 1.1, CIAM & IIASA (September 2012)

Papadimitriou, G., Markaki, V., Gouliarou, E., Borken-Kleefeld, J., Ntziachristos, L.: Best Available Techniques for Mobile Sources [emission reduction] in support of a Guidance Document to the Gothenburg Protocol of the LRTAP Convention. Technical report for the European Commission, DG ENV, 13 March 2015

Borken-Kleefeld, J., G. Kiesewetter, W. Schöpp, M. Amann: Sensitivity analysis of Euro 6 RDE regulations and impact on NO2 concentrations in Europe. Technical report for the European Commission, DG Environment, Nov 2015

L Ntziachristos, G Papadimitriou, G Triantafyllopoulos, F.Lupiáñez-Villanueva, G.Veltri, P.Tornese, J.Borken-Kleefeld, V.Franco, P.Mock: EULES Preparation of the legal and technical background for a voluntary EU standard for low emitting combustion engine driven cars (EULES) - Final Report prepared for the European Commission, DG Environment (Contract No 070201/2014/693860/FRA/ENV. C. 3. 2016

Borken-Kleefeld, J., Cofala, J., Klimont, Z., Schöpp, W.: Contribution of EU-wide emission control instruments to future air pollution reduction objectives - Modelling the contribution of the Non Road Mobile Machinery Directives (NRMM). Final report to DG‐Environment of the European Commission (SR 3 implementing Framework Contract No ENV.C.3/FRA/2013/0013-IIASA) March 2016

Borken-Kleefeld, J., with contributions from G. Kiesewetter and I. Bertok: Further vehicle exhaust emission controls and their impact on NO2 air quality in Europe. Industrial client, automotive. Sept 2016

J Cofala, I Bertok, J Borken-Kleefeld, C Heyes, G. Kiesewetter, Z. Klimont: Air quality impacts for the World Energy Outlook 2017 – Special Report on Access. Final Report to the International Energy Agency/OECD, 2017

Wagner F, Borken-Kleefeld J , Kiesewetter G, Klimont Z , Nguyen B, Rafaj P, & Schöpp W. The GAINS PMEH-Methodology -Version 2.0. IIASA Working Paper. Laxenburg, Austria: WP-18-016, 2018

Cofala J, Amann M, Borken-Kleefeld J , Gomez Sanabria A , Heyes C , Kiesewetter G, Sander R, Schöpp W, et al. Final Report The potential for cost-effective air emission reductions from international shipping through designation of further Emission Control Areas in EU waters with focus on the Mediterranean Sea. IIASA Research Report. Laxenburg, Austria: RR-18-002, 2018

Amann M, Klimont Z , An Ha T, Rafaj P , Kiesewetter G, Gomez Sanabria A , Nguyen B, Thi Thu TN, Borken-Kleefeld, J. et al. (2019). Future air quality in Ha Noi and northern Vietnam. IIASA Research Report. Laxenburg, Austria: RR-19-003

Purohit P , Amann M, Kiesewetter G, Chaturvedi V, Rafaj P , Dholakia HH, Nagar Koti P, Klimont Z, Borken-Kleefeld, J. et al. Pathways to Achieve National Ambient Air Quality Standards (NAAQS) in India. International Institute for Applied Systems Analysis (IIASA) and Council on Energy, Environment and Water (CEEW), 2019

Purohit P , Amann M, Borken-Kleefeld J, & Klimont Z. European experience in the development of the monitoring, review, and verification (MRV) systems for clean air plans. IIASA Report. Laxenburg, Austria: IIASA, 2020.

member

• European Research Group on Mobile Emission Sources (ERMES), WG Remote sensing

coordinator

• YSSP-Young Scientists Summer Program of the department at IIASA 2009-2017
• Member and Chairperson of the Institute’s YSSP Award Committee
• Co-host for the Institute-wide Lunchtime seminar series
• IIASA Carbon Footprint Initiative since 2012
• Co-Organisator of the yearly Laxenburger Energie- und Klimatag, since 2013

appraiser for

• European Research Council (Marie Curie and other programs)
• Irish Environmental Protection Agency, Hong Kong Innovation Agency
• Transport Policy, Transportation Research, Science of the Total Environment, Atmospheric Environment, Energy Policy, Environmental Science & Technology, (featured reviewer in Elsevier’s Journal ‘Reviewer’s Update’ 12/2011)

• Borken, J., Patyk, A., Reinhardt, G.A. 1998: Landmaschinen und Ökobilanzen: Eine Methode zur differenzierten Bilanzierung von Kraftstoffverbrauch und Emissionen (Agricultural machines and LCAs: A method for detailed assessment of fuel consumption and emissions; in German). In: Verein Deutscher Ingenieure (VDI) (ed.): Agricultural Engineering. Proceedings of the symposium Landtechnik (Agricultural technology), 15 - 16 October 1998 in Garching (D), pp. 133-138.
• Borken, J. 2000: Emissions- und Immissionsprognosen für den Straßenverkehr in Deutschland  – Welche Luftqualitätsziele werden erreicht? Vortrag auf der TREND-Umweltmesse in Heidelberg, 14-15 Oct 2000 [Forecast of pollutant emissions and air quality from road transport in Germany]
• Borken, J. and Höpfner, U. 2000: How to improve the environmental performance of railways? Lessons from the Market research for innovative traction. UIC Railway Energy Efficiency Conference, 10-11 May 2000, Paris.
• Borken, J. 2002: Contributions to Sustainable Development and Reporting by Automobile Manufacturers - Suggestions on structure and issues. Presentation to the Mobility Forum of UNEP - Division of Technology, Industry and Economic (DTIE), Paris: Paris 28 Feb – 1 March 2002.
• Borken, J. 2003 : Indicators for sustainable mobility – a policy oriented approach. In : R Joumard (ed.): « Environnement & Transports/Environment & Transport, Actes INRETS no 93, ISBN: 2-85782-589-7, 260 p., 2003.
• Borken, J. 2003: Impact of transport on health and environment in Germany. Annales de la Faculté de Droit, Economie et Administration de Metz, No 3, p. 9-18, 2003. ISSN 1630-4594.
• Borken, J. 2004: Comments on 'Health Impact Assessment'. Invited review for AIRNET's Working Group 5 (http://airnet.iras.uu.nl/) Presented at the Joint meeting of the 'Health Impact Assessment' and 'Science-Policy-Interface' work groups. 28 April 2004, WHO European Centre for Environment and Health, Bonn, Germany.
• Borken, J. and Gühnemann, A. 2004: Indicators for Strategic Environmental Assessment in Transport. Presented at: 10th World Conference for Transport Research (WCTR04), Istanbul/Turkey, 4-8 July 2004.
• Borken, J., Keimel, H., Klann, U. 2004: Fully integrated mobility scenarios within sustainable futures for Germany.” In: Proceedings of the 10th World Conference on Transport Research (WCTR04), 4-8 July 2004, Istanbul/Turkey.
• Borken, J. 2005: “Are we moving in the right direction?” Review of and lessons from TERM indicators for environmental impact assessment. Talk and paper presented at European Transport Conference ETC’05, 3.-5. Oct. .2005, Strasburg, France. [Session: EPR03: European Policy and Research - Project Appraisal] www.aet.org
• Borken, J. 2005: Strategic environmental indicators for transport and their evaluation - Qualitative decision aiding for SEA. Invited talk and paper at: ‘International Experience and Perspectives in SEA - A Global Conference on Strategic Environmental Assessment’, 26. – 30. Sept. 2005, organized by the International Association for Impact Assessment (IAIA), Prague, Czech Republik. [Session B2: SEA practice in transport planning] www.iaia.org
• Borken, J. 2005: Evaluation of environmental indicators for transport with ELECTRE III. Talk and paper at: 62nd Meeting of the EURO Working Group Multiple Criteria Decision Aiding, 22./23. Sept. 2005 Borlange, Sweden. www.mcda.org
• Borken, J. 2005: “Are we moving in the right direction?” Transport’s environmental impact assessment with ELECTRE III. Talk and paper presented at 10th EURO Working Group Transportation Meeting, 12.-14. Sept. 2005 Poznan, Polen. www.euro.org
• Borken, J., Gühnemann, A., Kühne, R. 2005: Coping with particulate emissions by traffic management – possibilities and constraints. Talk given at the Nanoparticle Workshop - Combustion generated Nanoparticles and their Health effects: Molecular and cellular basics. 1-4 May 2005, Bonn/Germany.
• Borken, J. 2006: When can we have confidence in distillation results of ELECTRE III? or: Has France the wrong president?. Paper presented at the 63rd Meeting of the EURO Working Group Multiple Criteria Decision Aiding, 30.-31.3.2006, Porto, Portugal.
• Borken, J. & Steller, H. 2006: Constructing long-term scenarios for land transport’s greenhouse gas emissions. In: Proceedings of the 2nd Conference 'Environment & Transport' including 15th Conference 'Transport & Air Pollution', 12 - 14 June 2006, Reims/FR
• Steller, H. & Borken, J. 2006: Global road transport’s emission inventory for the year 2000. An International Conference on Transport, Atmosphere and Climate (TAC’06), 26-29 June 2006, Oxford, UK
• Borken, J. 2006: Can TERM determine the environmental impact of transport? - Reflections on a core set of transport indicators. Invited talk at the TERM Annual Conference, European Environment Agency, Copenhagen/DK 21. June 2006
• Gudmundsson, H. & Borken, J. 2006: The context always matters. Presentation at COST 356 meeting Madrid Oct 18-19 2006.
• Borken, J. 2006: Comments on TransForum‘s work on the Fitness for purpose of definitions and indicators. TransForum meeting no. 4: ‘Transposing the TRANSFORUM findings to the FP7 research agenda’, Amsterdam/NL, 9-10 Nov. 2006.
• Borken, J., Steller, H., Meretei, T., Vanhove, F. 2006: Emission inventory of road passenger and freight transportation in the year 2000. Paper presented at GEIA 2006 Open Conference. Paris 29/11-1/12/2006.
• Borken, J., Steller, H., Meretei, T., Vanhove, F. 2007: Global and country inventory of road passenger and freight transportation, their fuel consumption and their emissions of air pollutants in the year 2000. Poster presented at the 86th Annual Conference of the Transportation Research Board, Washington, DC 22/1-25/1/2007.
• Birmili, W., B. Alaviippola, D. Hinneburg, O. Knoth, K. König, A. Sonntag, D. Bake, Th. Tuch, S. Warwel, Borken, J., 2007: Dispersion of Fine and Ultrafine Particles near the Berlin Urban Motorway: Combining Experiment and Modelling. European Aerosol Conference 2007, Salzburg.
• Alaviippola, B., W. Birmili, D. Hinneburg, O. Knoth, J. Borken, S. Warwel, K. König, A. Sonntag, 2007: Dispersion of Fine and Ultrafine Particles Near an Urban Motorway: Combining Modelling and Experiments. Urban Air Quality Conference 2007.
• Borken, J. and Baidya, S. 2007: Oil demand and Gaseous emissions from road transportation in international perspective. Presentation at the Workshop on ‘Development of Transport Industry in India, Future Transport Scenarios and Emissions’, Central Institute for Road Transportation (CIRT), Pune/IND, 28 Sept 2007.
• Borken, J., Bei, X, Meretei, T., de Ceuster, G. 2007: Oil demand and Gaseous emissions from road transportation in international perspective. Presentation at the Workshop on ‘Transport related emission inventory and road transport developments’. Chinese Academy of Transport Sciences (CATS), Beijing/CHN, 15 Oct. 2007.
• Borken, J., Bei, X., Jiang, Y., Meretei, T. 2008: Road transportation in China: How big are fuel consumption and pollutant emissions? Transportation Research Board, 87^th Annual Meeting, CD Compendium of Paper (paper 08-0578), 13-17 Jan. 2008, Washington DC/USA.
• Borken, J. 2008: STOA: The future of European long distance Transport. Expert Workshop 19 Feb. 2008, Copenhagen/DK.
• Borken, J. & Steller, H. 2008: Long-term scenarios for road transport’s greenhouse gas emissions. DPG Frühjahrstagung Darmstadt 11.-13. Mar 2008
• Borken-Kleefeld, J., H. Steller, G. de Ceuster, F. Vanhove, M. Eide, O. Endresen, H. Behrens, D. Lee, B. Owen, T. Meretei, K. Rypdal, R. Skeie, J. van Aardenne, G. Erhardt, R. Sausen: QUANTIFY transport emission scenarios up to 2100. Poster presented at the QUANTIFY General Assembly, Prag 10-13 Feb 2009.
• Borken-Kleefeld, J.: Mitigating Emissions of Greenhouse Gases – Costs and Options for Transport versus other Sectors. Invited talk to FreightVision 2^nd Forum. 8./9. June 2009, Brussels/BE.
• Borken-Kleefeld, J.: Emission mitigation potentials and costs for road transport. Invited expert at the Workshop on Mitigations Policies of Emissions from Road Transport - INFRA 31994, organised by Technical Assistance Information Exchange Instrument (TAIEX), DG Enlargement, of the European Commission in co-operation with Turkish Ministry of Environment and Forestry, General Directorate of Environmental Management. Ankara, 10. June 2009.
• Borken-Kleefeld, J.: Expert Meeting on Sustainable Development in the Transport Sector Worldwide. Organised by GTZ – Gesellschaft für Technische Zusammenarbeit und BMU - Bundesministerium für Umwelt, Naturschutz und Reaktorsicherheit. 25. Jan. 2010, Berlin/Germany.
• Borken-Kleefeld, J.: Transport‘s emissions: Past, present and future scenarios. Invited talk at QUANTIFY Final Conference, 25.-27. Jan 2010, Munich/Germany.
• Borken-Kleefeld, J.: Specific climate impact of passenger and freight transport. Invited talk at QUANTIFY Final Conference, 25.-27. Jan 2010, Munich/Germany.
• Borken-Kleefeld, J., J. Cofala, P. Rafaj, F. Wagner and M. Amann: Potentials and Costs for GHG Mitigation in the Transport Sector. Published in Proceedings of the 18th International Symposium on Transport & Air Pollution, 18-19 May 2010 in Duebendorf/Switzerland. (ISBN 978-3-905594-57-7.)
• Borken-Kleefeld, J.: Going by car, plane, coach or train? Invited talk at Stakeholder Meeting: Transport Emissions: the Climate Challenge. Results from IP QUANTIFY and SSA ATTICA, Brussels (BE), 24 June 2010. (http://www.pa.op.dlr.de/attica/stakeholder-meeting/PDF/Borken-Kleefeld_Comparison_100720.pdf)
• Fuglestvedt, J.; T. Berntsen, J. Borken-Kleefeld: Comparing climate impacts of the transport sectors. US-Federal Aviation Agency’s Aviation-Climate Change Research Initiative (ACCRI), Atlanta/Georgia, USA. 24 Feb 2011
• Lund, M.; J. Fuglestvedt; J. Borken-Kleefeld: Quantifying and comparing climate impacts of different transport modes. Presentation at the ‘Planet under Pressure 2012’ Conference, 26-29 March 2012, London.
• Borken-Kleefeld, J.; L. Ntziachristos: Scope for further emission reductions from road transportation. 3rd meeting of the DG-ENV SEG on Review of EU Air Policy, Brussels, 21 June 2012
• Borken-Kleefeld, J.; J. Fuglestvedt, T.Berntsen: Going by car, coach, train or plane? Comparing climate impacts from passenger trips. 3rd International Conference on Transport, Atmosphere and Climate (TAC-3), 25-28 June 2012, Prien am Chiemsee/DE
• Borken-Kleefeld, J.; K. Kupiainen, Y.Chen, S.Hausberger, M.Rexeis, A.Sjodin, M.Jerksjo, J.Tate: Remote sensing for identifying high emitters and validating emission models. Annual plenary meeting of the ERMES Group, 27-28 Sept 2012, Brussels/BE
• Borken-Kleefeld, J.; G. Kiesewetter, Th. Papageorgiou, L.Ntziachristos: Impact of NO_x vehicle emission standards failure on Air Quality in Europe. TAP 2012 - 19th International Transport and Air Pollution Conference, 26-27 November, 2012, Thessaloniki/Greece
• Borken-Kleefeld, J.; K. Kupiainen, Y.Chen, S.Hausberger, M.Rexeis, A.Sjodin, M.Jerksjo, J.Tate: Remote sensing: Identifying high emitters and validating emission models. TAP 2012 - 19th International Transport and Air Pollution Conference, 26-27 November, 2012, Thessaloniki/Greece
• Borken-Kleefeld, J.; L. Ntziachristos, G. Kiesewetter, I. Bertok, M. Amann: Emission developments for mobile sources and their impact on air quality. 4th meeting of the DG-ENV SEG on Review of EU Air Policy, Brussels, 5 Dec 2012
• Borken-Kleefeld, J.; Gregor Kiesewetter, Imrich Bertok, Markus Amann: The impact of future vehicles on pollutant emissions and air quality in Europe. Invited keynote lecture at 7th A3PS Conference „ECO-MOBILITY 2012”, 11-12 Dec 2012, Vienna/Austria
• Borken-Kleefeld, J., Y. Chen: Deterioration rates derived from vehicle remote sensing. International workshop on road transport emissions: Methodologies for assessing emission factors and inventories. ERMES Group, 26-27 Sept 2013 Brussels/BE
• Borken-Kleefeld, J.: Sensitivitätsbetrachtungen zur NOx-Entwicklung in der EU. Fachtagung Verkehrsemissionen of the Swiss Society of Air Protection Officers, 19 Nov. 2013, Zurich/CH.
• Borken-Kleefeld, J.: Remote Sensing Data: Möglichkeiten und Grenzen. Fachtagung Verkehrsemissionen of the Swiss Society of Air Protection Officers, 19 Nov. 2013, Zurich/CH.
• Borken-Kleefeld, J.: How costly is Europe’s love with diesel cars for health and climate? NextSTEPS Seminar, Institute for Transportation Studies, UC Davis, 25 Mar 2014, Davis (CA)/USA
• Borken-Kleefeld, J.: Fleet monitoring and high-emitter detection with RS: Experiences from Europe and ICCT Guidance. Invited talk at the Inaugural Mexico City Remote Sensing Device (RSD) Workshop/ Primer Congreso Mundial de Sensor Remoto. 27-28 March 2014, Mexico City/MEX
• Borken-Kleefeld, J.: Where are the high-emitters gone? 24^th CRC Real-World Emissions Workshop. 30 Mar – 2 April 2014, San Diego (CA)/USA. doi: 10.13140/RG.2.1.1572.4008
  Extract published in conference summary submitted to J Air & Waste Managemt.
• Borken-Kleefeld, J.: How costly is Europe’s love with diesel cars for health and climate? Brown Bag Seminar, The International Council for Clean Transportation, 3 April 2014 San Francisco (CA)/USA.
• Kiesewetter, G., Borken-Kleefeld, J.: Luftqualitätsprobleme in Österreich und der Straßenverkehr heute und morgen. FSV Seminar „Erfolgreiche Emissionsreduktion im Straßenverkehr und Luftqualitätsprobleme in Österreich und International“. 25. Juni 2014, Wien/AT.
• Borken-Kleefeld, J., Y. Chen: Vehicle Emission Deterioration Derived from Long-Term On-Road Measurements. Poster presented at the 20^th International Transport and Air Pollution Conference, 18-19 Sept. 2014, Graz/Austria.
  Manuscript published in Conference Proceedings.
• Borken-Kleefeld, J.: Real World Emissions from Road Vehicles: Results from Remote Sensing, Emission Measurements and Models. Invited plenary talk at the 20^th International Transport and Air Pollution Conference, 18-19 Sept. 2014, Graz/Austria.
  Manuscript published in Conference Proceedings doi: 10.13140/RG.2.1.2883.1203   
• Borken-Kleefeld, Gary Bishop, Donald H. Stedman, Peter McClintock: High NOx Emissions from Light Diesel Vehicles Also Observed on US Roads. 25th annual Real-World Emissions Workshop on 22–25 March, 2015, in Long Beach (CA)/USA
• Hausberger, S., Rexeis, M., Lipp, S., Borken-Kleefeld, J. RDE monitoring and certification: How remote sensing, on-board emission tests and test benches can be used efficiently. SAE 2015 World Congress. Detroit/USA. 21-23 Apr 2015
• Chen, Y., Borken-Kleefeld, J.: How stable is the emission control system of light-duty diesel vehicles? - Results from long-term on-road measurements in Europe. 95th Annual Meeting of Transportation Research Board, 10-14 Jan 2016, Washington DC/USA
• Panel contribution at European Parliament’s ‘Conference on Remote Sensing Potential’, on the role of Remote sensing for market surveillance of vehicles, Brussels/BE, 28 Sept 2017
• Borken-Kleefeld, J.: Controversies around NOx health impact assessment. Presentation at the
  ERMES Meeting 14 Nov 2017, Dübendorf/Switzerland.
• J.E.Jonson et al. Impact of excess NOx emissions from diesel cars on air quality, public health and eutrophication in Europe. Talk at the 22^th International Transport and Air Pollution Conference, 15-16 Nov. 2017, Dübendorf/Switzerland. (online)
• Borken-Kleefeld, J.: Thousands of snapshots vs. trips with thousands of seconds – how remote sensing complements PEMS/chassis emission measurements. Talk at the 22^th International Transport and Air Pollution Conference, 15-16 Nov. 2017, Dübendorf/Switzerland.
• Invited keynote: „Luftverschmutzung und Verkehr – Wo liegen die Probleme heute und morgen“ Forum Verkehr 2018, 31. Jan -1. Feb. 2018, Wien/AT.
• Hausberger, S., Borken-Kleefeld, J., Matzer, C., Lipp, S.: Überwachung der Kfz-Emissionen im realen Verkehr, Methoden und Ergebnisse. 20. Technischer Kongress 2018 - Umwelt, Energie und Elektromobilität, Fahrzeugsicherheit und Elektronik. VDA. 27.-28. Feb. 2018, Berlin/DE.
• Borken-Kleefeld, J.: Real vehicle emissions – Measuring and interpreting. The Real Urban Emissions (TRUE) Initiative City Symposium - Supporting cities to address urban air quality and vehicle emissions, 7-8 June 2018, London/UK
• Borken-Kleefeld, J.: Impact of Euro 6 performances on air quality across Europe. Integer Emissions Summit & AdBlue Forum Europe 2018, 26 - 28 June 2018, Brussels, Belgium.
• Panelist on: Trade-offs between fuel economy, pollutant emissions, costs and performance. Integer Emissions Summit & AdBlue Forum Europe 2018, 26 - 28 June 2018, Brussels, Belgium.
• Farren, N. J., D. C. Carslaw, J. Borken-Kleefeld, A. R. Vaughan, Å Sjödin: Study on the durability of UK diesel and petrol passenger car emission control systems utilising remote sensing data. 23^rd International Transport and Air Pollution Conference. 15-17 May 2019, Thessaloniki, Greece
• Cofala, J., J. Borken-Kleefeld, C. Heyes, M. Holland, H. Frageli, A. Nyiri, A. Gomez-Sanabria, R. Sander and M. Amann: Impact assessment for a potential emission control area in the Mediterranean Sea. 23^rd International Transport and Air Pollution Conference. 15-17 May 2019, Thessaloniki, Greece
• Borken-Kleefeld, J.: On-road remote sensing for monitoring of vehicle emissions. 11^th International AVL Exhaust Gas and Particulate Emissions Forum, 3 – 4 Mar 2020, Ludwigsburg/DE (online)
• Borken-Kleefeld, J.: Flottenemissionen und hoch-emittierende Fahrzeuge – erste Ergebnisse von Remote Sensing Messungen in Deutschland. 8. Freiburger Workshop „Luftreinhaltung und Modelle“, 3. Nov. 2020, Freiburg i.Br./DE (online)