“…Other causes also include poor packaging design of commercial products, amount of litter already present at a particular site, presence and wording of signs referring to litter, and the number and/or placement and appearance of waste collection bins at the site (Kapoor, 2001;Somerville et al, 2003;Hasan, 2004;Gray and Gray, 2004;Santos et al, 2005a). Similarly, an array of socio-economic factors can affect public attitude towards littering, frequency of littering, and the effective approaches to hinder the littering tendency within an individual (Willoughby et al, 1997;Santos et al, 2005b;Liu and Sibley, 2004;Arafat et al, 2007;Storrier and McGlashan, 2006).…”