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INTRODUCTION

Presently sustainability becomes a necessity as effects of Global warming become more clearly. It is important to start early with the educational aspects of the necessary change in behavior and thinking, sustainable schools could play an important role. The whole concept of a sustainable school building is based on principles of sustainable development which deal with the limited availability of natural resources, the interdependence with nature, the fundamentals aspects of interdependence with nature, the fundamentals aspects of production and consumption, and the issue of equity within, between and among generations [1].

As the icon of a new generation of sustainable educational buildings which was completed in late 1993, the Queens Building at De Montfort University, Leicester, gained a reputation with its startling architecture, in particular the distinctive ventilation chimneys [2], see Figure 1. The Queens Building was seen as the first in a new generation of lowenergy, naturally ventilated sustainable buildings. Architect Short Ford Associates worked on the building design alongside environmental engineer Max Fordham LLP, Cambridge Architectural Research (on the stack-effect chimneys) and Bristol University (on the physics of the airflow). The 10,000 m² building is L-shaped containing a complex arrangement of laboratories, classrooms and offices. The structure is almost exclusively naturally ventilated [2].