The carbon foot print becomes big movement of the world as the “Visualization” of CO₂ emission of the products. It is different from the conventional life cycle analysis (LCA) on the points to focus on CO₂ and the global warming gas, to target food and daily necessities sold in a supermarket and to display to an article directly. It is aiming at reducing GHGs not only by producers but by consumers, showing GHGs on the daily goods. In this report, domestic and foreign trends about the carbon foot print, activities of the international standard standardization and main points of arguments toward the implementation of carbon foot print are introduced.

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In recent years, life cycle assessment (LCA) as a new method for evaluating environmental load for the sustainable consumption has attracted attention. LCA is a tool that can be used to evaluate the environmental effects of a product, process, or services. On the other hand, life cycle product assessment (ISO-LCA) has in the past only been used to assess a systems environmental performance. So, we consider the application of Social/Dynamic LCA as part of a comprehensive study of consumer behavior and economic considerations related to home laundry instead of typical environmental life cycle product assessments. As a result, it become clear that the amount of CO₂ emission during the usage was much larger than that of CO₂ emission during the production process, that the analytical tool of detergents was used as a same scale, city water and electricity consumed during the use of the washing machine combine with washing behavior of the consumer.

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