paraphrase this paragraph-Sustainable development is the major concern in present era so that future generations would get the better natural environment as the present generation is enjoying. Numerous empirical studies examined the effect of urbanization on environment quality. Previous literature established the fact that the effect of urbanization on environment quality varies from region to region NAME_1 from country to country. For instance, NAME_2 NAME_1 NAME_3 (2004), NAME_4, NAME_5, NAME_1 NAME_6, (2007), NAME_7 NAME_1 NAME_8 (2010), Al-mulali et al. (2013), Shahbaz, Sbia, NAME_9, NAME_1 NAME_10, (2014); NAME_11 NAME_12 et al. (2016), NAME_11 NAME_13 et al. (2016) found detrimental effect on environment quality. Some studies confirmed negative effect of urbanization on carbon emissions (see; NAME_14, Abdul-Rahim, & NAME_15, 2017; NAME_16, 2011).