Abstract
Greenhouse gas (GHG) emissions due to solid waste management (SWM) techniques being practiced in the North eastern region of Nigeria are unaccounted for as such these emissions cannot be monitored or controlled. This research estimated GHG emissions into the atmosphere from the current SWM technique practiced in the region, GHG emissions from two different waste management techniques – open burning and incineration was also simulated. The research found that incineration with electricity recovery is the most suitable SWM process therefore suggested that the authorities and other stakeholders in the region should give it serious consideration.
Highlights
Generation of Municipal solid waste (MSW) is inextricably linked to daily human activities, this is more pronounced and prevalent in urban areas where most of the day-to-day items used by urban dwellers are bought in disposable bags and other packages which are later discarded
It was gathered from literature that all the six state capitals practice the same solid waste management (SWM) technique – open dumping of collected MSW in unmanaged sanitary landfills [16,17,18,19], open dumping was used as the base scenario
This does not mean that Gombe generates more MSW, it rather means the state capital has a better collection efficiency than its contemporaries, this, inference is supported by studies done by other researchers [24, 25]
Summary
Generation of Municipal solid waste (MSW) is inextricably linked to daily human activities, this is more pronounced and prevalent in urban areas where most of the day-to-day items used by urban dwellers are bought in disposable bags and other packages which are later discarded. Food wastes are more common in urban areas which are generally more affluent and can afford to have more than enough food [1, 2]. Since the beginning of the industrial age around the middle of the 20th century, there has been a wave of migration of rural dwellers into urban areas primarily seeking employment and a better life. Asides increase in urban population, other factors responsible for increase in MSW generation as found by researchers include: increase in Gross Domestic Product (GDP); increase in family or per capita disposable income; increase in consumption expenditure; levels of education; degree of industrialization; public habits; local climate; age of population; environmental laws/policies and improvement in the standard of living [4,5,6,7]
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