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The Industrial Revolution had a negative impact on both the city and the environment. By the second half of the 19th century the urban erosion of industrial cities cried for direct intervention and curing. The methods developed either along an urban or an anti-urban philosophy, resulted the new models of green belt systems aimed to solve all the main urban problems with restructuring the urban fabric, controlling the urban spread into the rural landscape, the lack of green areas and open spaces for recreation and social life, and the lack of green spaces for ventilation.

On the other hand in the big cities the brownfield sites are considered as reserve areas for sustainable urban development. Reusing the brownfields and rust areas is already a land-saving urban development approach, and in case of a complex and ecological urban rehabilitation it can underlie the development of an efficient urban green system and green network.



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