This work is part of a research in progress: in particular it is aimed to tackle the problem of uncontrolled city growth. Urban sprawl has recently become a critical issue not only from the spatial point of view, but also for overcrowding. The main objective of this study is to point out the need for a proper planning of the largest urban areas in the world by means of a strategic project. Also, the need for a functional organization of the so-called slums is worth considering. Slums are usually left out from the well-organized urban system. Although they can easily be identified within the city, they are not formally recognized from the perspective of soil occupation and the related social issues. In the light of this, planners are increasingly given important responsibilities as well as a set of different tasks. In fact, besides the multi-disciplinary approach, they should deepen the correlation between space and the population. The explosion of megacities, along with the prospect of further settlements in the world, involve a mixture of people, cultures, religions, education, interests, and technologies which undermine the traditional planning methodologies. In fact, this situation affects the functional integration and the development of a participatory process. This research in progress would provide new methods and new models so as to analyze the phenomenon, both large-scale and the small-scale aspects.
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