All surface level parking areas, covered and uncovered, shall be screened from public streets. Screening shall be accomplished through building placement, landscaping, a planted berm, decorative fencing with vines, topography, or some combination of the above. Landscaping used for screening purposes must be no less than two feet wide (from the back of the sidewalk or street curb to the parking lot paving, whichever is greater) and no less than 42 inches in height.