The intent of this chapter is to provide minimum landscaping and screening requirements in order to maintain and protect property values, to enhance the city’s appearance, to visually unify the city and its neighborhoods, to improve the character of certain areas of the city, to reduce erosion and storm water runoff, to interrupt expanses of impervious surfaces, to reduce CO₂ emissions, improve air quality, and to maintain or replace existing vegetation and to prevent and abate public nuisances. (Ord. 6617 § 28, 2016; Ord. 6387 § 1, 2011; Ord. 4914 § 1, 1996; Ord. 4773 § 1, 1995; Ord. 4229 § 2, 1987.)