Cover -- CONTENTS -- EDITORIAL ADVISORY BOARD -- Guest editorial -- Paradoxes of sustainable development -- The framework underpinning conflicting keys in sustainability: harmony-in-transit -- Institutional considerations for sustainable development policy implementation -- A "Hong Kong" model of sustainable development -- The leasehold system as a land management measure to attain sustainable development planning by contract A Hong Kong case study Eric C.K. Ho Department of Real Estate and Construction, University of Hong Kong, Hong Kong, People's Republic of China -- Governance in a co-ownership environment -- Effects of building management regimes of private apartment buildings in Hong Kong -- HKSAR's nature conservation policy - a new formulation for an old problem? -- Energy issues in Chongqing -- Impact of urbanization on building energy consumption and the role of BEE design codes in China.