en-us/nam/open-access-at-sage). 'economy-wide' challenge. In addition to air pollution, flooding and public health effects, solid waste contributes to climate change through methane production (Hoornweg and Bhada-Tata, 2012). This is an indication that the situation is detrimental to sustainable development and human wellbeing. Solid waste includes all wastes generated by humans and animals that is solid and usually seen as useless and often disposed of (Chengula et al., 2015). Waste can be classified as biodegradable and non-biodegradable (Mukui, 2013). It is often an urban challenge and catalysed by population increase due to increasing waste generation associated with high population. Improper waste generation leads to a number of health and environmental challenges while there is high environmental pollution at landfill sites. Chengula et al. (2015) described inadequate waste collection as a
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