1. World Wildlife Fund. “Living Planet Report 2020”. Accessed September, 2020. [
https://www.footprintnetwork.org/content/uploads/2020/09/LPR2020-Full-report-lo-res.pdf.]
2. UN Report to General Assembly, October 21, 2010. Accessed September 2015. [un.org/press/en/2010/gashc3985.doc.htm.]
3. M.C. Hansen, P.V. Potapov, R. Moore, M. Hancher, S.A. Turubanova, A. Tyukavina, D. Thau, S.V. Stehman, S.J. Goetz, T.R. Loveland, A. Kommareddy, A. Egorov, L. Chini, C.O. Justice, and J.R.G. Townshend. “High-Resolution Global Maps of 21st-Century Forest Cover Change”. Science 342, no. 6160 (2013): 850-853. Accessed October, 2015. [sciencemag.org/content/342/6160/850.]
4. Tom Gleeson, Yoshihide Wada, Marc F.P. Bierkins, Ludovicus P.H. van Beek. “Water Balance of Global Aquifers Revealed by Groundwater Footprint”. Nature 488, (2012): 197-200. Accessed October 2015. [nature.com/nature/journal/v488/n7410/full/nature11295.html.]
5. “Water Scarcity”. United Nations. Accessed October, 2015. [un.org/waterforlifedecade/scarcity.shtml.]
6. David Pimentel and Michael Burgess. “Soil Erosion Threatens Food Production”. Agriculture 2013, 3(3): 443-463. Accessed April, 2018. [mdpi.com/2077-0472/3/3/443/htm.]
7. FAO. 2018. The State of World Fisheries and Aquaculture 2018. Rome. 210 pp. Accessed January, 2019. [http://www.fao.org/3/i9540en/I9540EN.pdf.]
8. “The Consequences of Climate Change”. NASA. Accessed April, 2018. [climate.nasa.gov/effects/.]
9. “Piecing Together the Poverty Puzzle”. World Bank. Accessed January, 2019. [openknowledge.worldbank.org/bitstream/handle/10986/30418/9781464813306.pdf.]
10. “Total Fertility Rates and Avoiding Catastrophe”. Eric Rimmer and Andrew Ferguson. Accessed February, 2017. [populationmedia.org/2011/12/26/three-short-pieces-on-fertility/.]