Abstract

Despite the active participation of informal waste collectors (IWCs) in waste management in Ibadan, south-west Nigeria, a major observed challenge to effective operation of this group of workers is the variation in the seasons of the year and their accompanying weather futures. This study investigated the effects of seasonal changes on the types and volume of waste handled by the informal waste collectors, level of patronage and income earned in the five municipal local government areas of Ibadan. A cross-sectional survey approach was adopted and both primary and secondary data were sourced. Through questionnaire survey and field observations, data were collected from 253 informal waste collectors operating in the study area. Descriptive statistics (frequencies and percentages) and inferential statistics (ANOVA) were used in analysing the data obtained from the field work. The study established that the types and volume of waste collected and income earned by the informal waste collectors varied from season to season. Patronage of the informal waste collectors was found to be reduced by about 25% in the dry season owing to less volume of waste generated and increased burning. The low patronage reduced the income by about 25% on average. The implications of this are that the job security of IWCs is threatened and increased burning of waste increases the atmospheric carbon content, which depletes the ozone layer and consequently results in global warming. The study, therefore, recommended financial and technical assistance to the waste collectors by either government or non-governmental organisations to establish small waste merchandising business to cater for the period of low patronage. 

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