SOLID waste management is an important public health service because it helps to prevent the transmission of disease. It also has a social significance: piles of uncollected waste in cities are an embarrassment to authorities and can create a political backlash from residents. CHIDI NZEADIBE, Professor of Environmental Management & Sustainability., University of Nigeria ADAEZE EJIKE-ALIEJI, PhD candidate, Meteorologist, University of Nigeria But many residents make their living from unmanaged waste. About a million waste pickers are estimated to operate in Nigerian cities. They depend on collecting and recycling waste, thus giving it a value. In doing so they are…