To these ends, the Zoning Law, districts, and maps have been prepared with due consideration of future growth; the promotion of a sensibly built environment which respects local and regional architecture; the promotion of an integrated and balanced transportation system based on pedestrian, transit and automobile use; the adequate provision of water and sewer infrastructure, schools, parks and other public necessities; and for the preservation and enhancement of the natural environment through the protection and replenishment of forests by landscaping of the public realm and supplemental plantings for projects which reduce existing tree cover resources.