It's not just critters disappearing.

"12 January 2007 - PANA. Concerned Kenyans have called for the formation of an authority to coordinate efforts by various stakeholders for the preservation of the receding water masses in the country's Rift Valley region, which hosts nine lakes, including the famous Lake Nakuru.Massive destruction of water catchment areas and unplanned settlements in the forests are threatening the region's ecosystem, with environmentalists warning that the water bodies, could disappear within the next 15 years."
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