Home page 1. Liu, J., Hull, V., Godfray, H. C. J., Tilman, D., Gleick, P., Hoff, H., Pahl-Wostl, C., Xu, Z., Chung, M. G., Sun, J., & Li, S. (2017). Nexus approaches to global sustainable development. Nature Sustainability, 1(9), 466-476. Link to source
2. UNESCO. (2023). United Nations world water development report 2023: Partnerships and cooperation for water. UNESCO Publishing.
3. Gleick, P. H. (2018). The world's water: The biennial report on freshwater resources. Island Press.
4. Pahl-Wostl, C. (2015). Water governance in the face of global change: From understanding to transformation. Springer. Link to source
5. Ostrom, E. (2009). A general framework for analyzing sustainability of social-ecological systems. Science, 325(5939), 419-422. Link to source
6. Folke, C. (2006). Resilience: The emergence of a perspective for social-ecological systems analyses. Global Environmental Change, 16(3), 253-267. Link to source
7. World Bank. (n.d.). World Development Indicators. Link to source
8. World Bank. (2016). High and dry: Climate change, water, and the economy. World Bank.
9. World Health Organization, & United Nations Children's Fund. (n.d.). Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (JMP). Link to source
10. Grafton, R. Q., & Hussey, K. (Eds.). (2011). Water resources planning and management. Cambridge University Press.
11. Dolnicar, S., & Schäfer, A. I. (2009). Desalinated versus recycled water: Public perceptions and profiles of the accepters. Journal of Environmental Management, 90(2), 888-900. Link to source
12. Özerol, G., Bressers, H., & Coenen, F. (2018). Interconnected governance and urban water transitions. Water Resources Management, 32(9), 3055-3068. Link to source
13. Ferraro, P. J., & Price, M. K. (2013). Using nonpecuniary strategies to influence behavior: Evidence from a large-scale field experiment. Review of Economics and Statistics, 95(1), 64-73. Link to source
14. Fielding, K. S., Spinks, A., Russell, S., McCrea, R., Stewart, R., & Gardner, J. (2013). An experimental test of voluntary strategies to promote urban water demand management. Journal of Environmental Management, 114, 343-351. Link to source
15. Potter, R. B., Darmame, K., Barham, N., & Nortcliff, S. (2010). 'Ever-growing Amman', Jordan: Urban expansion, social polarisation and contemporary urban planning issues. Habitat International, 34(1), 81-92. Link to source
16. Calverley, C. M., & Walther, S. C. (2022). Water resilience and urban drought adaptation in Cape Town. Journal of Water and Climate Change, 13(2), 456-472.
17. Kallis, G., & Coccossis, H. (2003). Managing water for Athens: From the hydraulic to the political city. European Planning Studies, 11(3), 245-261. Link to source
18. Forero-Ortiz, E., Martínez-Gomariz, E., & Monjo, R. (2020). Water scarcity and urban resilience in Mediterranean cities: Lessons from Barcelona. Sustainability, 12(18), 7484. Link to source
19. Luan, I. O. B. (2010). Singapore water management policies and practices. International Journal of Water Resources Development, 26(1), 65-80. Link to source
20. van der Brugge, R., Rotmans, J., & Loorbach, D. (2005). The transition in Dutch water management. Regional Environmental Change, 5(4), 164-176. Link to source

Amsterdam page 1. van der Brugge, R., Rotmans, J., & Loorbach, D. (2005). The transition in Dutch water management. Regional Environmental Change, 5(4), 164-176.Link to source
2. Pahl-Wostl, C. (2015). Water governance in the face of global change: From understanding to transformation. Springer.Link to source
3. UNESCO. (2023). United Nations world water development report 2023: Partnerships and cooperation for water. UNESCO Publishing. Link to source
4. Koninklijk Nederlands Meteorologisch Instituut. (n.d.). Daggegevens van het weer in Nederland. KNMI. Link to source
5. World Bank. (2016). High and dry: Climate change, water, and the economy. World Bank. Link to source
6. Folke, C. (2006). Resilience: The emergence of a perspective for social-ecological systems analyses. Global Environmental Change, 16(3), 253-267. Link to source

Amman page 1. FAO. (2008). Coping with water scarcity: An action framework for agriculture and food security. Food and Agriculture Organization of the United Nations.
2. Ministry of Water and Irrigation. (2023). Jordan national water strategy 2023–2040.
3. Jordan Open Data Portal. (2025). Miyahuna key performance indicators (KPIs) – Amman [2022]. Government of Jordan.
4. Potter, R. B., Darmame, K., & Nortcliff, S. (2010). Issues of water supply and contemporary urban society: The case of Greater Amman, Jordan. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 368(1931), 5299–5313. Link to source
5. UN-Water. (2024). SDG 6 country acceleration case study: Jordan.
6. UNICEF & Economist Impact. (2022). Tapped out: The costs of water stress in Jordan.

Athens page 1. EYDAP. (n.d.). Athens Water Supply and Sewerage Company.
2. EYDAP Open Data. (n.d.). Open Data Platform.
3. Kallis, G., & Coccossis, H. (2003). Managing Water for Athens: From the Hydraulic to the Rational Growth Paradigm. European Planning Studies, 11(3), 245–261.Link to source

Barcelona page 1. Aigües de Barcelona. (2024). Annual report 2024. Link to source
2. Forero-Ortiz, E., Martínez-Gomariz, E., & Monjo, R. (2020). Climate change implications for water availability: A case study of Barcelona City. Sustainability, 12(5), 1779. Link to source
3. Generalitat de Catalunya. (2024). Catalonia declares a drought emergency and activates measures. Link to source
4. Ajuntament de Barcelona. (n.d.). Water consumption of the city of Barcelona. Open Data BCN. Link to source
5. Vallès-Casas, M., March, H., & Saurí, D. (2017). Examining the reduction in potable water consumption by households in Catalonia (Spain): Structural and contingent factors. Applied Geography, 87, 234–244. Link to source

Cape Town Page 1. Calverley, C. M., & Walther, S. C. (2022). Drought, water management, and social equity: Analyzing Cape Town, South Africa’s water crisis. Frontiers in Water, 4. Link to source
2. Enqvist, J. P., & Ziervogel, G. (2019). Water governance and justice in Cape Town: An overview. WIREs Water, 6(4), e1354. Link to source

Singapore page 1. Tortajada, C. (2006). Water management in Singapore. International Journal of Water Resources Development, 22(2), 227–240. Link to source
2. Public Utilities Board. (2023). Singapore water story. Public Utilities Board, Singapore.

Amsterdam Rainfall KNMI. Daggegevens van het weer in Nederland. 2000-2022. mm. 31.05.2026. Link to source

Amman Rainfall, Consumption, and Reservoir Department of Statistics. Comparison of Rainfall Volumes with the Long-Term Avarages, Quantity of Surface Water Used by Usage, Quantity of Groundwater Used by Usage, Quantity of Treated Waste Water Used by Usage, Quantity of desalinated water from the sea Used by Usage, Per Capita Water Supply per Governorate. 2000-2024. mm³, Liter/day, Million Cubic Meters. 31.05.2026. Link to source

Athens Rainfall World Bank Group. Observed Climatology of Precipitation. 2000-2020. mm. 02.06.2026. Link to source

Athens Consumption Greece in Numbers. Water abstraction. 2000-2022. Million Cubic Meters . 31.05.2026. Link to source

Athens Reservoir EYDAP. Reservoir reserves. 2000-2025. Cubic Meters. 31.05.2026. Link to source

Cape Town Rainfall and Reservoir City of Cape Town. Rainfall Data from 2000, Dam Levels from 2000. 2000-2025. mm. 31.05.2026. Link to source

Singapore Rainfall and Consumption Singapore Government. "Volume of Potable Water sold, Annual", "Rainfall - Monthly Total". 2000-2025. mm, Million Cubic Meters. 31.05.2026. Link to source

Singapore Imports World Integrated Trade Solution. Singapore Waters (incl. mineral and aerated), with added imports by country. 2000-2024. Liter. 31.05.2026. Link to source

Barcelona Rainfall Open Data BCN. PrecipitacionsBCNDesDe1786.csv. 2000-2025. mm. 31.05.2026. Link to source

Barcelona Consumption Statistical Institute of Catalonia. Water consumption. Counties and Aran, areas and provinces. 2000-2024. Thousands of m³. 31.05.2026. Link to source

Barcelona Reservoir Dades Obertes Catalunya. Quantitat d’aigua als embassaments de les Conques Internes de Catalunya. 2000-2025. hm³. 31.05.2026. Link to source

Annual Precipitation Our World in Data. Annual precipitation. 2000-2025. mm. 03.06.2026. Link to source

Water Stress World Bank Group. Level of water stress: freshwater withdrawal as a proportion of available freshwater resources. 2000-2025. %. 03.06.2026. Link to source

Freshwater Withdrawal World Bank Group. Total freshwater withdrawal. 2000-2025. Cubic meters per year. 03.06.2026. Link to source

Renewable Water Resources World Bank Group. Total renewable water resources. 2000-2025. Cubic meters per year. 03.06.2026. Link to source