Abstract
To deal with a lot of environmental problems, not only technological innovations, but also changes of life style and improvement of social system are necessary. In this study, we developed a model to estimate the impact on household metabolism by the life style change. The model shows relationship between household consumption and generated environmental load under constraint of income budget, material balance, energy balance and time budget. We applied the model to Japan by 2030. We estimated the amount of solid waste, bulky waste, air pollutants, water pollutants, house construction waste from household consumption.
