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Zhao, D., Liu, J., Sun, L., Hubacek, K., Pfister, S., Feng, K., Zheng, H., Peng, X., Wang, D., Yang, H., Shen, L., Lun, F., Zhao, X., Chen, B., Keskinen, M., Zhang, S. ORCID: https://orcid.org/0000-0003-2487-8574, Cai, J. & Varis, O. (2024). Water consumption and biodiversity: Responses to global emergency events. Science Bulletin 69 (16), 2632-2646. 10.1016/j.scib.2024.03.049.

Niva, V., Horton, A., Virkki, V., Heino, M., Kosonen, M., Kallio, M., Kinnunen, P., Abel, G. ORCID: https://orcid.org/0000-0002-4893-5687, Muttarak, R., Taka, M., Varis, O. & Kummu, M...................... (2023). World’s human migration patterns in 2000–2019 unveiled by high-resolution data. Nature Human Behaviour 10.1038/s41562-023-01689-4.

Niva, V., Kallio, M., Muttarak, R. ORCID: https://orcid.org/0000-0003-0627-4451, Taka, M., Varis, O. & Kummu, M. (2021). Global migration is driven by the complex interplay between environmental and social factors. Environmental Research Letters 16 (11), e114019. 10.1088/1748-9326/ac2e86.

Zhang, S. ORCID: https://orcid.org/0000-0003-2487-8574, Yi, B.-W., Worrell, E., Wagner, F. ORCID: https://orcid.org/0000-0003-3429-2374, Crijns-Graus, W., Purohit, P. ORCID: https://orcid.org/0000-0002-7265-6960, Wada, Y. ORCID: https://orcid.org/0000-0003-4770-2539 & Varis, O. (2019). Integrated assessment of resource-energy-environment nexus in China's iron and steel industry. Journal of Cleaner Production 232, 235-249. 10.1016/j.jclepro.2019.05.392.

Varis, O. (1999). Water resources development: Vicious and virtuous circles. Ambio 28 (7), 599-603.

Varis, O. (1996). Water quality models: Typologies for environmental impact assessment. Water Science & Technology 34 (12), 109-117. 10.1016/S0273-1223(96)00859-1.

Somlyody, L., Yates, D. & Varis, O. (1995). Freshwater Management: Problems and Challenges. IIASA Working Paper. IIASA, Laxenburg, Austria: WP-95-120

Varis, O. (1995). A Belief Network Approach to Optimization and Parameter Estimation in Resource and Environmental Management Models. IIASA Working Paper. IIASA, Laxenburg, Austria: WP-95-011

Varis, O. (1994). A Belief Network Approach to Modeling of Environmental Change: The Methodology and Prospects for Application. IIASA Working Paper. IIASA, Laxenburg, Austria: WP-94-040

Varis, O. & Vakkilainen, P. (1994). Environmental impact assessment: Approaches and applicability in developing countries and in Finland. In: Proceedings of a Seminar, 27 January - 4 February 1994.

Varis, O., Kuikka, S. & Taskinen, A. (1994). Modeling for water quality decisions: Uncertainty and subjectivity in information, in objectives, and in model structure. Ecological Modelling 74 (1-2), 91-101. 10.1016/0304-3800(94)90113-9.

Varis, O. (1994). Water quality models: Tools for the analysis of data, knowledge, and decisions. Water Science & Technology 30 (2), 13-19.

Varis, O. & Somlyody, L. (1993). Potential Impacts of Climatic Change on Lake and Reservoir Water Quality. IIASA Working Paper. IIASA, Laxenburg, Austria: WP-93-025

Koivusalo, H., Varis, O. & Somlyody, L. (1992). Water Quality of Nitra River, Slovakia - Analysis of Organic Material Pollution. IIASA Working Paper. IIASA, Laxenburg, Austria: WP-92-084

Varis, O. (1992). Decision Analytic Modeling of Uncertainty and Subjectivity in Water Quality Management. IIASA Working Paper. IIASA, Laxenburg, Austria: WP-92-054

Somlyody, L. & Varis, O. (1992). Water Quality Modeling of Rivers and Lakes. IIASA Working Paper. IIASA, Laxenburg, Austria: WP-92-041

Varis, O. & Kuikka, S. (1990). Analysis of Sardine Fisheries Management on Lake Kariba, Zimbabwe and Zambia - Structuring a Bayesian Influence Diagram Model. IIASA Working Paper. IIASA, Laxenburg, Austria: WP-90-048

Kaden, S. & Varis, O. (1986). MINE-NEC - A Game for the Analysis of Regional Water Policies in Open-Pit Lignite Mining Areas: An Improved Implementation for the NEC PC-8201A. IIASA Working Paper. IIASA, Laxenburg, Austria: WP-86-028