The green belt of Vitoria-Gasteiz. A successful practice for sustainable urban planning

Vitoria-Gasteiz can be considered to constitute a good example of sustainable urban development, as the numerous national and international awards received for its environmental quality actions demonstrate. The star project however is the Green Belt, a network of natural parks surrounding the city that was selected by the UNO as one of the 100 best projects at the Third International Competition of Good Practices. The aim of this paper is to analyse the efficiency of the measures adopted and establishing aspects for improvement, whilst pointing out the future dangers to avoid.