(a)      The regulations adopted by a local legislative body shall be adopted:

            (1)      In accordance with the plan;

            (2)      With reasonable consideration for, among other things, the character of the district and its suitability for particular uses; and

            (3)      With a view to conserving the value of buildings and encouraging orderly development and the most appropriate use of land.

      (b)      The regulations shall be designed to:

            (1)      Control congestion in the streets;

            (2)      Secure the public safety;

            (3)      Promote health and the general welfare;

            (4)      Provide adequate light and air;

            (5)      Promote the conservation of natural resources;

            (6)      Prevent environmental pollution and avoid undue concentration of population; and

            (7)      Facilitate the adequate provision of transportation, water, sewerage, schools, recreation, parks and other public requirements.