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Pekka Kauppi, Professor of Environmental Science and Policy
Menu:Contact information: Pekka Kauppi: Latokartanonkaari 3 (P.O. Box 27) 00014 University of Helsinki phone +358-(0)9-1915 8300 fax +358-(0)9-1915 8462 firstname.surname@helsinki.fi |
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Publications:
Recent interaction with public media: 29 November 2007: European Union forests expanding, absorbing carbon at surprisingly high rate: study 13 November 2006: End of deforestation in view? Experts advance new way to size up global Peer reviewed articles in scientific journals: Saikku, L., Rautiainen, A. & Kauppi, P. 2008. The sustainability challenge of meeting carbon dioxide targets in Europe by 2020. Energy Policy, 36 (2), 731-743 . In press . Sokka, L., Antikainen, R., and Kauppi, P.E. 2007. Municipal solid waste production and composition in Finland - Changes in the period 1960-2002 and prospects until 2020. Resources, Conservation and Recycling 50(4): 475-488. Saikku, L., Antikainen, R., and Kauppi, P. E. 2007. Flows of nitrogen and phosphorus in the Finnish energy production 1900-2003. Journal of Industrial Ecology 11(1): 103-119. Kauppi P.E., Ausubel, J. H., Fang, J., Mather, A.S., Sedjo, R.A. and Waggoner, P.E. 2006. Returning forests analyzed with the forest identity. Proceedings of the National Academy of Sciences of USA (Sustainability Sciences) 103(46): 17574-17579 Mayer, A.L. Kauppi, P.E., Angelstam, P.K., Zhang, Y. and Tikka, P.M.2005. Importing Timber, Exporting Ecological Impact. Science 308: 359-360. Liu, C-j. Ilvesniemi, H., Kutsch, W., Ma, X-q., Westman, C.J, Kauppi, P. 2004. An estimate of the rainoit of atmospheric CO2. - Journal of Environmental Sciences (China) 16: 86-89. Sokka, L., Antikainen, R. and Kauppi, P. 2004. Flows of nitrogen and phosphorus in municipal waste: a substance flow analysis in Finland. - Progress in Industrial Ecology 1(1,2,3): 165-186. Marland G., Pielke, R. A. Sr. , Apps, M., Avissar, R., Betts, R.aA., Davis, K.J., Frumhoff, P.C., Jackson, S. T., Joyce, L. A., Kauppi, P., Katzenberg, J., MacDickie, K.G.,, neison, R. P., O´Niles, J., Niyogy, D., Norby, R. J., Pena, N., Sampson, N., Xye, Y-k. 2003. The climatic impacts of land surface change and carbon management, and the implications for climate-change mitigation policy. - Climate Policy 3: 149-157. Kauppi, P. E. 2003. New, Low Estimate for Carbon Stock in Global Forest Vegetation Based on Inventory Data. - Silva Fennica 37(4): 451-457. Liski, J., Korotkov, A.V., Prins, C. F. L., Karjalainen, T., Victor, D., G. and Kauppi, P. E. 2003. Increased Carbon Sink in Temperate and Boreal Forests. - Climatic Change: 61 (1-2): 89-99. Myneni, R., Dong, J., Tucker, C.J., Kaufmann, R.K., Kauppi, P.E., Liski, J., Zhou, L., Alexeyev, V., and Hughes, M.K. 2001. A large carbon sink in the woody biomass of Northern forests. - Proc. National Academy of Sciences of USA, PNAS 98 (26): 14784-14789. Obersteiner, M., Azar, Ch., Kauppi, P., Möllersten, J., Moreira, J., Nilsson, S., Rea, P., Riaahi, K., Schlamadinger, B., Yamagata, Y., Yan, J., and van Ypersele, J.-P. 2001. Managing Climate Risk. Science 294: 786-787. (Science Compass). Liski, J., Karjalainen, T., Pussinen, A., Nabuurs, G-J. & Kauppi, P. 2000. Trees as carbon sinks and sources in the European Union. Environmental Science and Policy 3/2-3: 91-97. Binkley, C.S., Apps, M.J., Dixon, R.K, Kauppi, P., and Nilsson, L.O. 1997. Sequestering carbon in natural forests. - Crit. Rev. in Environ. Sci. and Tech. 27: S23-45. Kauppi, P. E., Posch, M., Hänninen, P., Henttonen, H.M., Ihalainen, A., Lappalainen, E., Starr, M., and Tamminen, P. 1997. Carbon Reservoirs in Peatlands and Forests in the Boreal Regions of Finland. - Silva Fennica 31(1): 13-25. Kauppi, P.E. 1995. The United Nations Climate Convention: Unattainable or Irrelevant. - Science 270: 1454. (Policy Forum). Kauppi, P.E., Tomppo, E., and Ferm, A. 1995. C and N storage in living trees within Finland since 1950s. - Plant and Soil 168: 633-638. Kauppi, P.E., and Tomppo, E. 1993. Impact of forests on net national emissions of carbon dioxide in West Europe. - Water, Air, and Soil Pollution 70: 187-196. Heath, L.S., Kauppi, P.E., Burschel, P., Gregor, H.-D., Guderian, R., Kohlmaier, G.H., Lorenz, S., Overdieck, D. Scholz, F., Thoasius, H., and Weber, M. 1993. Contribution of Temperate Forests to the World´s Carbon Budget. - Water, Air, and Soil Pollution 70: 55-69. Kauppi, P.E., Mielikäinen, K., and Kuusela, K. 1992. Biomass and carbon budget of European forests, 1971 to 1990. - Science 256: 70-74. (Peer reviewed Article). Ivens, W., Kauppi, P., Alcamo, J., Posch, M. 1990. Sulfur deposition onto European forests: throughfall data and model estimates. - Tellus 42B: 294-303. Alcamo, J., Amann, M., Hettelingh, J.-P., Holmberg, M., Hordijk, L., Kämäri, J., Kauppi, L., Kauppi, P., Kornai, G. and Mäkelä, A. 1987. Acidification in Europe: A Simulation Model for Evaluating Control Strategies. Ambio 16(5): 232-245. Kauppi, P.E., Kämäri, J. Posch, M., Kauppi, L. and Matzner, E. 1986. Acidification of forest soils: Model development and application for analyzing impacts of acidic deposition in Europe. Ecological Modelling 33: 231-253. Kauppi, P., and Posch, M. 1985. Sensitivity of boreal forests to climatic warming. - Climatic Change 7:45-54. Alcamo, J., Hordrijk, L., Kämäri, J., Kauppi, P.E., Posch, M. and Runca, E. 1985. Integrated Analysis of Acidification in Europe. Journal of Environmental Management 21:47-61. Kauppi, P. 1984. Stress, Strain, and Injury: Scots pine transplants from lifting to acclimation on the planting site. - Acta Forestalia Fennica 185: 1 - 49. (Ph.D. - thesis). Kauppi, P.E., Selkäinaho, J. and Puttonen, P. 1983. A method for estimating above-ground biomass in Phragmites stands. Annales Botanici Fennici 20: 51-55. Kellomäki, S., Salminen, R., Hari, P., Ventilä, M., Kanninen, M., Kauppi, P., and Smolander, H. 1979. A method for approximating the photo-synthetic production of stand members inside the canopy.- Journal of Applied Ecology 16: 243-252. Kauppi, P.E., Hari, P. and Kellomäki, S. 1978. A discrete time model for succession of ground cover communities after clear cutting. Oikos 30: 100-105. Kellomäki, S., Väisänen, E., Kauppi, P., and Hari P. 1977. Production of Structural Matter by a Plant Community in a Successional Environment. - Silva Fennica 11: 276-283. As editor of scientific books: Kauppi, P., Anttila, P. and Kenttämies, K. (Eds.). 1990. Acidification in Finland. Springer-Verlag. Berlin, Heidelberg, New York. 1237 pp. As guest- editor of scientific journals: Tikka, P. & Kauppi.P.E. (Guest Eds.) 2003. SPECIAL ISSUE: Protecting Nature on Private Land - From Conflicts to Agreements. - Environmental Science & Policy Vol. 6, nr 3. Elsevier. 328 pp. As author of chapters in scientific books: Kauppi, P. Sedjo, R. (CLAs), Apps, M, Cerri, C., Fujimori, T., Janzen, H., Krankina, O., Makundi, W., Marland, G., Masera, O., Nabuurs, G.-J., Razali, W., Ravindranath, N.H. (LAs). 2001. Technical and economic potential of options to enhance, maintain and manage biological carbon reservoirs and geo-engineering. In Metz, B. , Davidson, O., Swart, R. and Pan, J. (eds.) Climate Change 2001 - Mitigation. Working Group III Report. Third Assessment Report of Inter-Governmental Panel on Climate Change. UNEP-WMO. Cambridge University Press. Pp. 301-343. Liski, J. and Kauppi, P. 2000. Chapter III: Wood supply and carbon sequestration: situation and changes - b) Carbon cycle and biomass. In UN-ECE/FAO Contribution to the Global Forest Resources Assessment 2000. Geneva Timber and Forest study Papers, No. 17 Main report. United Nations - New York and Geneva, 2000 pp. 155-226. Kauppi, P. , and Solberg, B. 1999. Forests and Climate Change - Ecological and Economic Challenges. In: Palo, M., & Uusivuori, J. (Eds.) World Forests, Society and Environment. Kluwer. pp. 121-126. Brown, S., Sathaye, J., Cannell, M., and Kauppi, P. 1996. Management of Forests for Mitigations of Greenhouse Gas Emissions. In: Watson, R.T., Zinyowere, M. C. & Moss, R. H. (Eds.) Climate Change 1995. Impacts, Adaptations and Mitigation of Climate Change: Scientific-Technical Analyses. IPCC Second Assessment Report. Cambridge University Press. pp. 773-797. S. Brown, A. Z. Shvidenko, W. Galinski, R.A. Houghton, E. S. Kasischke, P. Kauppi, W. A. Kurz, I. A. Nalder & V. A. Rojkov. 1996. WG2 Summary: Forests and the global carbon cycle: past, present, and future role, In: M.J. Apps & D.T. Price (Eds) Forest Ecosystems, Forest Management and the Global Carbon Cycle. Proceedings of the NATO Advanced Research Workshop "The Role of Global Forest Ecosystems and Forest Resource Management in the P.E.Kauppi. 1996. Carbon budget of temperate zone forests during 1851-2050, In: M.J. Apps & D.T. Price (Eds) Forest Ecosystems, Forest Management and the Global Carbon Cycle. Proceedings of the NATO Advanced Research Workshop "The Role of Global Forest Ecosystems and Forest Resource Management in the Global Cycle", held in Banff, Canada, September 12-16,1994. Springer-Verlag. pp. 191-198. Kauppi, P.E. 1995. External Influences. Draft Chapter 5 In C.F.L. Prins (Ed.). European Timber Trends Study V. ECE/FAO Agriculture and Timber Division. ECE/FAO Geneva. Sathaye, J., Cannell, M. and Kauppi, P.E. 1995. Management of Forests for Mitigation of Greenhouse Gas Emissions. Climate Change 1995 (Impacts, Adaptations and Mitigation of Climatic Change: Scientific-Technical Analyses): 773-797 (Chapter 24) Kauppi, P.E. 1992. Finnish Research Program on Acidification (HAPRO) 1985-1990. In T. Schneider (Ed). Acidification Research: Evaluation and Policy Applications. Studies in Environmental Research 50. Elsevier. pp 431-442. Kauppi, P., Posch, M., Kauppi, L., and Kämäri, J. 1990. Modeling soil acidification in Europe. In J. Alcamo, R. Shaw, and L. Hordijk (Eds). The RAINS model of acidification. Science and Strategies in Europe. Kluwer. pp179-221. Kauppi, P., Anttila, P., and Kenttämies, K. 1989. Acidic Precipitation Research in Finland. In A.H.M. Bresser & W. Salomons. (Eds). Acidic Precipitation. Volume 5. International Overview and Assessment. Springer-Verlag. pp. 281-306. Posch, M., Falkengren-Grerup, U., and Kauppi, P. 1989. Application of two soil acidification models to historical soil chemistry data from Sweden. In Kämäri, J., Brakke, D.F., Jenkins, A., Norton, S. and Wright, R.F. (Eds) Regional Acidification Models. Springer-Verlag. pp 241-251. Ivens, W. et al. 1989. Atmospheric Deposition of Sulfur, Nitrogen and basic Cations onto European Forests: Observations and Model Calculations (Chapter 9 in Regional Acidification Models, Geographic Extent and Time Development): 103-111 Kauppi, P., and Posch, M. 1988. A case study of the effects of CO2-induced climatic warming on forest growth and the forest sector: A. Productivity reactions of northern boreal forests. In M.L. Parry, T.R. Carter, and N.T. Konijn (Eds). The Impact of Climatic Variations on Agriculture. Kluwer. pp 183-195. Kauppi, P. 1987. Forests and the changing chemical composition of the atmosphere. In M. Kallio, D.P. Dykstra and C.S. Binkley (Eds). The global forest sector: An analytical perspective. Wiley. pp 32-56. Other professional publications in English: Burdekin, D., Csóka, P., Kämäri, J., Kauppi, P., Landmann, G., Miina, S., Päivinen, R., Schuck, A., and Sterba, H. 2002. External review of the Finnish forest condition monitoring programme for the Ministry of Agriculture and Forestry in Finland. European Forest Institute. Internal Report 12. Joensuu. Finland. 41 pp. Kauppi, P.E. 1996. Reducing Greenhouse Gases. - Science Vol. 271: 431. (Discussion paper). Kauppi, P.E. 1996. What is changing in the global environmant ? In E. Korpilahti, H. Mikkelä & T. Salonen (Eds.) Congress Report, Volume II, IUFRO XX World Congress, 6-12 August 1995, Tampere, Finland. Gummerus, Jyväskylä. pp. 29-34. Kauppi, P.E. 1993. Ecology and environmental challenges to boreal and temperate forests. Synopsis of the Seminar of CSCE Experts on Sustainable Development of Boreal and Temperate Forests. Department of Natural Resources Canada. (Available also in French, German, Italian, Spanish, and Russian languages.) 6 pp. Kauppi, P.E., Mielikäinen, K., and Kuusela, K. 1992. Carbon Budget Kauppi, P.E., Mielikäinen, K., and Kuusela, K. 1992. Estimating Biomass. - Science 257: 146-147. (Discussion paper). Mielikäinen, K. and Kauppi, P.E. 1991. Forest resources in Finland and findings on the impacts of air pollution on forests. Proceedings of the Symposium held at Freiburg-im-Breisgau, Germany 21 February 1991: 32-40. Ivens, W., Lövblad, G., Westling, O. and Kauppi, P. E. 1990. Throughfall monitoring as a means of monitoring deposition to forest ecosystems, evaluation of European Data. Miljørapport 1990(16). Kauppi, P. 1989. Commentary on Acid Rain.- Environment 30 (4): 2-3. Kauppi, P.E., and Posch, M. 1989. Boreal forests and the global carbon cycle. - Science 243: 1535-1536. (Discussion paper). Kauppi, P. 1988. Integrated analysis of data on forest decline. In S. Nilsson, and P.N. Duinker (Eds) Proceedings: Seminar on Remote Sensing of Forest Decline (March 11-12, 1987, Laxenburg, Austria). EA-5715, EPRI, Palo Alto, USA. pp. 1-2. Walløe, L., Böckman, O., Dovland, H., Herrlander, B., Johnels, A., Kauppi, P., Rodhe, H., Seip, H.M., Tamm, C.O. 1985. Acid Rain - An environmental problem across national boundaries. Paper presented at the Public Hearing of the UN Commission for Environment and Development (The Brundtland Commission). Olso, June 24-25, 1985. 17 pp. Mills, T. and Kauppi, P. 1987. Effects of atmospheric deposition damage to forests: methods for timber market sensitivity analysis. In Impact of air-pollution damage to forests for roundwood supply and forest products markets. ECE/TIM/37. Economic Commission for Europe. United Nations. Geneva, New York. pp. 20-23. Alcamo, J. et al. 1984. Acid rain in Europe: A framework to assist decision making. IIASA Working Paper WP-84-32. Kauppi, P.E. 1984. Stress and Strain in Ecosystems. Swedish University of Agricultural Sciences, Department of Ecology and Environmental Research Report 13: 41-48. Ågren, G.I. and Kauppi, P.E. 1983. Nitrogen dynamics in European forest ecosystems: considerations regarding anthropogenic nitrogen depositions. IIASA Collaborative Paper CP-83-28. Kauppi, P.E. 1982. Field crops in a CO2-enriched atmosphere. IIASA Working Paper WP-82-43. Pohjonen, V., Kauppi, P., Pelkonen, P., and Sirén, G. 1980. Biotic solar energy - la Biomasse. - LE BOIS et les Economies d´ENERGIE. AMICALE des ELEVES de l´ECOLE SUPERIEURE du BOIS. pp. 7-15. Paris. Conference Papers: Lorenz, M., Kauppi, P., Liedholm, H., and Mandallaz, D. 1988. Methodologies for harmonized assessments of increment changes. Paper prepared for the International Co-operative Programme on the Assessment and Monitoring of Air Pollution Effects on Forests. Hamburg. FAO European Forestry Commission. 32 pp. Metz, A.-M. and Kauppi, P.E. 1988. Monetäre Bewertung der wirtschaftlichen Folgen neuartiger Waldschäden anhand internationaler Daten. Vortrag im Symposium über Bewertung von Waldschäden infolge von Luftverunreinigungen. Gmunden, Österreich 13. -17. September 1988. IUFRO Arbeitsgruppe S4.04. -02. Kauppi, P.E. 1986. Boreal Forests and a Possible Climatic Warming. For: Task force meeting on policy-oriented Assessment of impact of climatic variations. IIASA, Lazenburg, Austria 30 June - 2 July, 1986. Kauppi, P. and Yli-Kojola, H. 1986. Monitoring and assessment of forest damage in regional and national scale. Contribution to the International Co-operative Programme on the Assessment and Monitoring of Air Pollution Effects in Forests. Paper presented at the 2nd Meeting of the Programme Task Force for the International Co-operative Programme on the Assessment and Monitoring of Air Pollution Effects on Forests. Freiburg im Breisgau. Federal Republic of Germany, May 21-22, 1986. UN ECE/FAO. Kauppi, P.E. and Posch, M. 1983. Impact of climatic change on the values of effective temperature sum. Paper prepared for the UNEP/WMO/ICSU Study conference on The Sensitivity of Ecosystems and Society to Climatic Change: Possible impacts of CO2 increase in the atmosphere. Villach, Semptember 19-24, 1983. Kauppi, P. 1983. Biological requirements for storing and transporting barerooted Scots pine transplants. Paper presented at the Seminar on Machines and Techniques for Forest Plant Production. Tatranská Lomnica. Czechoslovakia, 20-24 June 1983. UN ECE/FAO. 6 pp.
Kauppi, P.E., Marjanen, J.J. and Antikainen, R. 2005. Vesien tilaan myönteisesti ja kielteisesti vaikuttavat valtiovallan tukitoimet. Environmentalica Fennica 22: 1-25. Lodenius, M., Willamo, R., and Kauppi, P. 2004.[Environmental Science and Policy at the University of Helsinki]. Ympäristö ja Terveys 1/2004: 36- 40. Kauppi, P. 1999. [Goals and Means of Protecting the Environment]. In V.M. Thure (Ed.) [Justice and Equity]. Joensuu University of Joensuu. pp. 107-108. Andrén, O., Jernelöv, A., Kauppi, P., Kätterer, T., Nilsson, J., and Olsson, M. 1997. [Carbon in soils]. Rapport 4782. Naturvårdsverket Förlag. 1- 47. Kauppi, P. 1996. [Can forestry in Finland affect positively to carbon content of the atmosphere ?]. - Report to the Ministry of Agriculture and Forestry, Finland. 56 pp. Nöjd, P., and Kauppi, P. 1995. [The increment of pine in a changing environment]. In E. Tikkanen (Ed). [The pollution emissions of Kola as stressors of the forests in Lapland]. Gummerus. Jyväskylä. pp. 183-195. Kauppi, P. 1993. [European trees absorb carbon dioxide from the atmosphere]. -Ilmansuojelu-uutiset 1/93. pp. 17-19. Kauppi, P. and Mikkola, E. 1992. [The health of forests. In Karlsson, K.-P., and Härö, E.S. (Eds). Atlas of Finland. Folio 160. State and care of the environment. ]. [In Finnish]. pp. 16-18. Kauppi, P. 1992. [Carbon balance of European forests]. University of Joensuu. Faculty of Forestry. Research Notes 1: 97-102. Kauppi, P.E. 1991. Metsätuhot ja metsävarat, Muistion Metsä 2000-ohjelman tarkistustoimikunnalle. Kauppi, P. 1990. [The global change of the atmosphere and development of forests. In Introduction to rhe Primary Production Biology of Forests. Tapani Lahti and Heikki Smolander (Eds)]. - Silva Carelica 16: 251- 271. Kauppi, P., Anttila, P., Karjalainen-Balk, L., Kenttämies, K., Kämäri, J., and Savolainen, I. 1990. [Acidification in Finland. Final report of the HAPRO program]. Ministry of the Environment. Report A 89. [Available in Finnish and in Swedish]. 89 pp. Kauppi, P. 1989. [Changes in the atmosphere and the forests]. PTT Katsaus 4/1989. [In Finnish]. Metz, A.-M. and Kauppi, P. 1988. Monetäre Bewertung der Wirtschaftlichen Folgen neuartiger Waldshäden anhand internationaler Daten. Paper presented at IUFRO Working Group S4.04-22 Symposium über Bewertung von Waldschäden infolge von Luftverunreinigungen. Gmunden, Austria, September 13-17, 1988. 9 pp. Kauppi, P., Kenttämies, K., Oikarinen, S., and Valli, R. 1987. [Acidification in Finland - overview by the HAPRO programme]. Ministry of the Enviroment report 57/1987. 97 pp. Kauppi, P. 1985. [Finnish programme for research and assessment of acid deposition (HAPRO) has been initiated]. Kemia-Kemi 9/1985: 679-681. [with an English summary]. Isotalo, I., Kauppi, P., Ojanen, T., Puttonen, P., and Toivonen, H. 1981. Reed for Energy in Finland: Potentials and Constraints. - National Board of Waters, Finland, Report 210. 48 pp. Kauppi, P. 1980. [The Annual Cycle in Forests]. In P. Havas (Ed). [Suomen Luonto. The Nature of Finland 2]. Kirjayhtymä. Helsinki. [In Finnish]. pp. 65-87. Kauppi, P., and Hari, P. 1980. Förpackningsmaterialets betydelse för plantvården under transport och lagring av planteringsmaterial. (The singificance of packaging material for transplant maintenance during the transport and storage of the planting material). Årsskrift 1979 for Nordiske Skogplanteskoler. pp. 51-55. Olso. Kauppi, P. 1979. [Experiment on dropping forest tree transplants from an aircraft]. - Metsä ja Puu 1979:11. pp. 57-58.
Kauppi, P.E., Kellomäki, S. and Saastamoinen, O. 1980. Metsäaapinen [Forest ABC-book] . Luonto-Liitto. Articles in newspapers (Finnish/Swedish): Kauppi, P.E. 2007. Metsien viisas käyttö on väkevää ilmastopolitiikkaa (Vieraskynä). Helsingin Sanomat 3.8.2007. Kauppi, P.E, Kettunen, J. and Smolander, H. 2007. Puu palaa ilman tukiakin. Talouselämä 70:13 (5.4.2007). 30-32. Kauppi, P.E. 2007. Luonnonsuojelun näkökulmasta kotimainen hakkaa tuontipuun (Vieraskynä). Helsingin Sanomat 27.4.2007. Kauppi, P.E. 2005. Metsät mukaan uuteen Kioton sopimukseen. Talouselämä 26.8.2005: 63-69. Kauppi, P.E. and Herring, P. 2005. Give the climate issue back to the researchers. Energy in Finland (2005): 18-20. Kauppi, P.E. 2005. Suomen ympäristöpäästöt vähenivät jo ennen EU-jäsenyyttä (Vieraskynä). Helsingin Sanomat 1.6.2005 Kauppi, P.E. 1998. Luonnonsuojelu, ympäristönsuojelu ja kestävä kehitys. Oppituoli 1998. Kauppi, P. 1994. [Excess wood reserves available for utilization and Kauppi, P.E. Skogarna och koldioxidfrågan [Forests and the issue on carbon dioxide] (Brev till HBL). Hufvudstadsbladet 17.6.1992. Kauppi, P. 1991. Do coniferous forests have a future ?. - The Raflatac Magazine 1/1991, published by United Paper Mills, Tampere, Finland. pp. 4-5. Kauppi, P. 1989. [Wrap up phase of a large research program on air pollutants]. - Helsingin Sanomat, March 14, 1989. Kauppi, P. 1982. [Carbon dioxide threatens the global environment]. - Helsingin Sanomat, August 2, 1982. Kauppi, P. 1980. [On Global Deforestation]. - Uusi Suomi Fakta 7/1980.
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