Mongabay: Geothermal — the tapping of steam from hot underground rocks — could provide a source of clean, renewable energy in parts of Africa where electricity is currently limited, according to an assessment by the United Nations Environment Program (UNEP) and the Global Environment Facility (GEF). The project, funded by the GEF and involving UNEP and the Kenyan power company KenGen, found a number wells of steam in the Rift Valley capable of generating 4-5 MW of electricity. Harnessing this …