Part I: Regional environmental policies. 1. Community-based regional energy/environmental planning; A. Josefsson, et al. 2. Regional demands for refined bio-fuels; U. Boman, M. Rosell. 3. A model to assess energy-environment choices for Swiss canton; E. Fragniere, A. Haurie. 4. Energy master plan for a community; B. Saugy, et al. Part II: Global environmental policies. 5. Uncertainty analysis of a greenhouse effect model; J.A. Filar, R. Zapert. 6. A decomposition approach to multiregional environmental planning: a numerical study; O. Bahn, et al. 7. Allocation of carbon tax revenues to national and international mitigation options; S. Kypreos. Part III: Tools for energy planning and environmental management. 8. MESAP III: an information and decision support system for energy and environment planning; A. Reuter, C. Schlenzig. 9. MARKAL model with elastic demand; R. Loulou, D. Lavigne. 10. Hazardous materials logistics: an annotated bibliography; E. Erkut, V. Verter.