Figure 6.8: Water for the future? A map of newly discovered fossil groundwater deep below the deserts in North Africa. This ancient water deposit, already tapped in Libya, is expensive to extract and is unlikely to meet future needs because it is not being replenished.
[Source consulted: A. M. MacDonald, H. C. Bonsor, B. E. O. Dochartaigh, and R. G. Taylor. (2012) Quantitative maps of groundwater resources in Africa. Environmental Research Letters 7. 024009 doi:10.1088/1748-