Drought-stricken Kenya is sitting on 250-trillion liters of groundwater With the world as thoroughly mapped and monitored as it is, it's easy to forget the Earth still harbors its fair share of secrets. Case in point: yesterday, the United Nations Educational, Scientific and Cultural Organization announced that Kenya's drought-striken Turkana County sits, rather ironically, atop a staggeringly huge reserve of subterranean water. Following an extensive groundwater mapping project that incorporated satellite observations, seismic information and remote sensing, five vast aquifers have been identified hiding beneath the country's arid northern region. Preliminary estimates put the aquifers' contents at roughly 250-trillion liters...