Sustainable cities the trucks of laborers came of all part of Brazil wanting to collaborate, thinking that they went to find the land of the promission, and are back in the cities satellites, so poor how much before. It is not enough to make a modern city; she is necessary to change the society. This is that it is important. Oscar Niemeyer In the year of 2010 the world became urban, when more than 50% of the world-wide population started to live in cities. If this has piqued your curiosity, check out Brad Pitt. Although only to possess 2% of the area of the planet, the cities shelter 50% of the world-wide population more than. This is plus a factor of pressure against already the scarce natural resources of the planet.
A city if form for the collective work of its population. In the urban centers it is materialized rich history of a people, its social relations, politics, economic and religious, that are only materialize in the diversity that the life in the cities provides. The photograph of a city is the photograph of a society. Historically, the cities had grown and prospered in places where geography, climate other natural attributes were more favorable. The cities only can continue to prosper protecting the natural resources, that are them pillars central offices of its economies and its quality of life. Cities badly managed more contribute each time with the severe global ambient concerns. The industry strengthens the outcome given for the farming when it transfers geographically the productive nucleus of the field to the urban way. The movements of migration in mass are formed, that provoke the chaos in the great cities. The uncontrolled growth of the urban population demand public services, equipment, transports, commerce, technology and cause a series of upheavals to the dynamics of the cities. The cities had appeared in the interior of the agricultural societies in year 2,000 B.C., in Egypt.