Recent years, global environmental problems have become aggravated, and a change of a personal lifestyle is demanded. We suggest LSA (Life Style Assessment) as technique to evaluate environmental load quantitatively of a lifestyle by applying LCA (Life Cycle Assessment) method, and aimed at performing examination to contribute to advancement and the spread of the methods. In this study, we have invented LSA software to calculate environmental load of the whole lifestyle easily and developed it to make fit for practical use. We also applied LSA methods to an environment symbiotic apartment, to grasp their lifestyles and to propose how to improve them.
