1. FAO (2021). The State of the World’s Land and Water Resources for Food and Agriculture—Systems at Breaking Point, FAO.
2. FAO (2020). The State of Food and Agriculture 2020. Overcoming Water Challenges in Agriculture, FAO.
3. FAO (2019). Land Use Statistics and Indicators, FAO.
4. United Nations Department of Economic and Social Affairs, Population Division (2022). World Population Prospects 2022: Summary of Results.
5. IPCC (2021). Climate Change 2021: The Physical Science Basis. Contribution of Working Group I to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change, Cambridge University Press.