Olatoke, OlukayodeOlufemi, Abifarin2020-05-142020-05-1420182449-1853http://hdl.handle.net/123456789/3880For more than a century, the world's main sources of energy have been fossil fuels. Hydro electricity and nuclear energy together contribute some 9% of presentworld annual energy consumption and the biofuels in the form of firewood, or other conbustible plants or animal materials are thought to provide about a tenth of the total.enFinancingRenewable EnergyProjectsNigeriaArticle