The zoning regulations and districts as herein set forth are made, in accordance with a comprehensive plan, for the purpose of guiding development in accordance with existing and future needs; and in order to protect, promote, and improve the public health, safety, morals, convenience, order, appearance, prosperity, and general welfare. These regulations are designed to lessen congestion on the streets; to secure safety from fire, flood, and other dangers; to promote the public health and the general welfare; to provide adequate light and air; to prevent the overcrowding of land; to avoid undue concentration of population; to protect scenic areas; and to facilitate the adequate provision of transportation, water, sewage disposal, schools, parks, and other public requirements. These regulations are made with reasonable consideration, among other things, of the character of each area and its peculiar suitability for particular uses, and with a view to promoting desirable living conditions and the sustained stability of neighborhoods; protecting property against blight and depreciation; securing economy in governmental expenditures; and conserving the value of land, buildings and structures.