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body: value: Towns, technologies, environment: the world towns, metropolis and megalopolis supported by technological concentration unthinkable before, are the new urban dimension.

In urban planning, technologies and what concerning changes, are essential to a proper answer in managing long lasting actions and in creating economic and social general conditions. Technologies, in fact, concern planning, management, realization and control; they involve the whole survey process; they change theory and practice of the discipline. And even more if the process will be based on principles of sustainability. The infrastructures to carry energy, water and food or to dispose of the waste are the real instruments supporting urbanization, but behind them there are the decisional process and the control process of their construction and running whose success mostly depends on the innovation of managing procedures and technologies.

Product technologies supported by process technologies.

The research on the great environmental subjects points out which technical knowledge and competence are needed to intervene on the territorial management and on the resources allocation for the sustainable development, in normality and in emergency situations.
The urban metabolism, the ecological footprints of towns, the sustainable development allow to explain the time of spread or the concentration of resources; they are cultural and analytic instruments to plan works, they are the future aims of the vocational training for architects engineers and planners.

The complexity of relationships calls for an open discussion of the subjects, for a discussion able to accept and check hypothesis and theories according to a proper polytechnic culture, that has to take the accountability for a critical and thoughtful opinion to contribute practically to sustainability.

Process technologies, product technologies: the global village is not myth or trend, it is only a misleading advertising that conceals the concentration of capitals and the forming of imbalance rising in a progressive way in those town centers appointed to manage resources.

The environment problem needs the test of urban planning theories.
title: Città tecnologie ambiente