Promote, protect and facilitate the public health, safety, morals, general welfare, coordinated and practical community development, proper density of population, civil defense, the provisions of adequate light and air, police protection, vehicle parking and loading space, transportation, water, sewerage, schools, public grounds and other public requirements, as well as to prevent the overcrowding of land, blight, danger and congestion in travel and transportation, loss of health, life or property from fire, flood, panic or other damages.