Deforestation: Nigeria Ranked Worst in the World. But the International Institute of Tropical Agriculture (IITA) stressed that there was still hope for the country, unless it starts paying urgent and serious attention to nature. The Project Director, IITA, Mr. John Peacock, explained that over 90 per cent of Nigeria’s forest has been lost as a result of deforestation.

http://www.thisdaylive.com/articles/deforestation-nigeria-ranked-worst-in-the-world/103321/

Problem is that in poor rural areas of the world, where finding clean drinking water may sometimes be a challenge, deforestation is not the most important topic for day to day survival and well being.