Fig. 1. World Materials Production, 1963-1995 Fig. 2. Industrial Material Groups.................. Fig. 3. Overview of EPR. .. Fig. 4. EU Flower Eco-logo... Fig. 5. Relevant Comparisons in Environmental Impacts of Building Products... Fig. 6. LCA in Context... Fig. 7. Building Life Cycle Inventory Fig. 8. LCA Improvement Assessment.................. Fig. 9. Baseline Green: Upstream air pollution shares of input categories Fig. 10. Canada's Eco-logo Fig. 11. U.S. Green Seal Eco-logo. Fig. 12. Product Life Extension Strategies. Fig. 13. Materials Flow Model... Fig. 14. Shearing Layers: Different Rates of Change of Building Components Fig. 15. Possible End-of-life Scenarios for the Built Environment... Fig. 16. California Rammed Earth House.................. Fig. 17. Texas Adobe Under Construction. Fig. 18. B.C. Cob House Fig. 19. New Mexico Aboriginal Workshop in Infill Strawbale Fig. 20. Typical Earthship Configuration.. Fig. 21. Dennis Weaver's Earthship.. Fig. 22. B.C. Cordwood Walls under Construction... Fig. 23. Earthbag and Papercrete Building, Colorado... Fig. 24. Varieties of EPR... 21 39 52 57 58 59 61 62 73 81 81 105 117 178 181 208 213 216 221 224 225 230 235 279