In a bid to
empirically examines the dynamic relationship among population growth,
urbanization, ruralization and PM2.5 air
pollution exposure in Nigeria during the period 1970-2018, Augmented Dickey
Fuller unit root test was conducted on the series in order to detect the
presence of unit root and Auto Regressive Distributed Lag Models was deployed
for the analysis. Surprisingly, the results from both short run and long run
estimates show that the coefficient for logarithm of ruralization (LOG(RUR)) is
higher than logarithm of urbanization (LOG(URB)). This could be due to the fact
that though urban areas are known to generate particulate matter because of the
level of economic activities but a large volume of the particulate matter are
transported and can thus adversely impact far away in rural areas. The
reduction of outdoor air pollutants in general, and particulate matter in
particular, requires concerted action by public authorities, industry and
individuals at state and federal levels in Nigeria.
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