摘要：The deterioration of the environment is caused by the existence of large urban agglomeration whose main problem is that these are areas where are converging progressive forces which ensure the development of the society on the one hand, as well phenomenon which emphasizes the degradation of the human civilization and the environment, on the other hand, in this way being generated the phenomenon of hypertrophy of the cities.
关键词：Urban planning; Environment; Pollutant; Environmental protection; Urban areas
