In the last two decades, an information revolution in the global south has profoundly shaped the urbanisation of metropolitan regions.
The region of Southern Ethiopia (Borana) and Northern Kenya (Marsabit) is characterised by erratic rainfall, limited surface water, aridity, and frequent droughts. https://www.mdpi.com/2072-4292/14/2/314/htm
https://www.biea.ac.uk/wellsproject/
Late last year the International Science Council ran a story about the project, which you can find here: https://stories.council.science/unlocking-science-history-water-scarcity-africa/