What is the one single most important reason that human impact on the planet has been so great? a. the lowered age of menarche and consequent lack of education among women b. the decrease in the maximum life span of humans c. loss of biodiversity d. increasing population e. increase in bacterial forms of life

Urban growth invariably feeds increased commercialization and industrialization. it requires continually expanding land areas. when urbanization rates are high, and countries do not have the institutional and managerial capacities or economic wherewithal to manage such rapid growths, they exert intense pressure on the types and nature of the resulting settlements. they contribute to the development of overcrowded slums and shanty towns without adequate essential services and necessary infrastructure.-by asit k. biswas and cecilia tortajada

What area are in blue