 | | In Place of the Forest: Environmental and Socio-economic Transformation in Borneo and the Eastern Malay Peninsula (UNU, 1990, 310 pages) |
 | | Obstacles to Tree Planting in Arid and Semi-arid Lands: Comparative Case Studies from India and Kenya (UNU, 1982, 63 pages) |
 | | Ocean Governance: Sustainable Development of the Seas (UNU, 1994, 369 pages) |
 | | The Oceanic Circle - Governing the Seas as a Global Resource (UNU, 1998, 257 pages) |
 | | Oil and Gas - Initial Environmental Assessment Series No. 14 (NORAD, 1996) |
 | | Organic and Compost-Based Growing Media for Tree Seedling Nurseries (World Bank, 1995) |
 | | Organizational Performance and Change Management - Workshop Proceedings - October 1-3, 1997, Y.C. James Yen Center, International Institute of Rural Reconstruction (IIRR), Silang, Cavite, Philippines (IIRR, 1997, 242 pages) |
 | | Participatory Methods in Community-based Coastal Resource Management - Volume 1 - Introductory Papers (IIRR, 1998, 103 pages) |
 | | People's Participation In Natural Resources Management - Workshop Report 8 (IRMA, 1992) |
 | | Perception of Desertification (UNU, 1980, 134 pages) |
 | | Personal Safety in Cross-Cultural Transition (Peace Corps, 1984) |
 | | Pesticide Safety for Farmworkers - Uso Seguro de Pesticidas para los Trabajadores del Campo (Peace Corps, 1985) |
 | | Photovoltaic Applications in Rural Areas of the Developing World (World Bank, 1995) |
 | | Photovoltaic Household Electrification Programs - Best Practices (World Bank, 1996) |
 | | Pig Waste Mangement and Recycling - The Singapore Experience (IDRC) |
 | | Planning National Parks for Ecodevelopment - Methods and Cases from Latin America (Peace Corps, 1982) |
 | | Plants Tolerant of Arid, or Semi-Arid, Conditions and with Non-Food Constituents of Potential Use (NRI, 1983) |
 | | Population and the Environment (FAO Population Education Leaders Guides) (FAO, 1990) |
 | | Population, Land Management, and Environmental Change (UNU, 1996, 89 pages) |
 | | Priorities for Water Resources Allocation (NRI, 1993) |
 | | Private Sector Participation in Municipal Solid Waste Services in Developing Countries (World Bank, 1994) |
 | | Proceedings of the Jakarta Workshop on Coastal Resources Management (UNU, 1980, 106 pages) |
 | | Proceedings of the Khartoum Workshop on Arid Lands Management (UNU, 1979, 96 pages) |
 | | Proceedings of the Second International Symposium on Non-Conventional Energy Technology (PACE, 1984) |
 | | Promoting Organized Self-Help through Co-operative Modes of Participation (Habitat, 1984) |
 | | Protecting Stored Maize Cobe against Pests by the Use of Non-Chemical Products (GTZ, 1996) |
 | | Purification of Biogas (GTZ, 1985) |