Author(s)

F. Magalhaes, H. Gallo & M. da Costa Lobo

Abstract

Cities are facing major challenges to become sustainable. There are a whole universe of problems pulling in opposite directions: rampant poverty, violence, lack of identity, destruction of cultural heritage and natural values, pollution, traffic, decaying of central areas, among others. Cities are also large consumers of energy and resources. Planning and zoning have an important role to play. This paper present a selection of good and bad practices in three cities of the world - Sao Paulo, Rio and Lisbon to allow lessons to be learned from the examples. It concludes by discussing possible trends towards helping cities to be more sustainable. Introduction All over the world cities seems to follow a var

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