Abstract
Life Cycle Assessment (LCA) is expected to become powerful techniques for total estimation of environmental impact from products and services. Establishment of database about unit load factor of some environmental pollutants and standardization of scheme of evaluation of Lifecycle Inventory Analysis (LCI) are required for more accurate evaluation. In this study, lifecycle pollutant loads of more than 30 household products and services were evaluated by some surveys and reviews of references about LCA/LCI. And some transitions of social systems are estimated to bring more or less environmental impact. The future scenario was prepared in order to forecast the environmental pollutant load brought by the transition of social systems. And statistical data was used for design of trends of some household appliances and services. Preliminary estimation of 4 trial cases shows that increasing of environmental pollutant was beyond result from macro analysis of transition of social systems. And expected effects of decreasing of environmental pollutant load by transition of social systems were estimated relatively small.
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