1. Arizona Commerce Authority (2020) Population projections. https://www.azcommerce.com/oeo/population/population-projections/. Accessed 9 June 2020
2. Bakhbakhi M, Salem O (2001) Why the great man-made river project. In: Proceedings, regional aquifer systems in arid zones—managing non-renewable resources, Tripoli, Libya, 20–24 Nov 1999, IHP-V, Technical documents in hydrology, vol 42. UNESCO, Paris, pp 1–16
3. Bashitialshaaer RA, Persson KM, Aljaradin M (2011) Estimated future salinity in the Arabian Gulf, the Mediterranean Sea and the Red Sea consequences of brine discharge from desalination. Int J Acad Res 3(1):133–140
4. BEBR (2019). Florida estimates of population. University of Florida, Bureau of Economic and Business Research
5. Berg L (2018) Harvesting rain to improve crops across Africa. In: ReThink, Dec 5 2018.https://rethink.earth/harvesting-rain-to-improve-crops-across-africa/. Accessed 21 June 2020