To promote, protect and facilitate the public health, safety, morals, general welfare, coordinated and practical community development, proper density of population, emergency management preparedness and operations, airports and national defense facilities, the provisions of adequate light and air, access to incident solar energy, police protection, vehicle parking and loading space, transportation, water, sewage, schools, recreational facilities and public grounds, the provision of a safe, reliable and adequate water supply for domestic, commercial, agricultural and industrial uses, and other public requirements, as well as preservation of the natural, scenic and historic values in the environment and preservation of forests, wetlands, aquifers, floodplains and other natural resources.