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2. 1992. A transnational approach to ?environmental security?. In Pollution Knows no Frontiers, (ed.). Paragon: New York; 15-26.
3. Commission on Strategic Development. 2000. Bringing the Vision to Life: Hong Kong's Long-Term Development Needs and Goals. Printing Department: Hong Kong.
4. 1997. The Politics of the Earth: Environmental Discourses. Oxford University Press: Oxford.
5. Electrical and Mechanical Services Department. 2001. Implementation of Energy Efficiency and Conservation Initiatives, paper to the Energy Efficiency and Conservation Subcommittee of the Energy Advisory Committee (EE&C Paper 1/2001).