Cover -- CONTENTS -- EDITORIAL REVIEW BOARD -- Editorial -- Possibilities for upgrading the existing building stock in Belgrade -- Designing an appropriate ESCOs' environment in the Mediterranean -- From the traditional to the contemporary Cycladic sustainable house -- Present and future of building performance assessment tools -- The HQE approach -- The request of sustainability and architecture as cultural paradigm -- Urban development through PPPs in the Euro-Mediterranean region -- Sustainable management and urban space quality in the Mediterranean -- News -- Diary -- Books and resources -- Features -- News from the net.