1993 年 21 巻 p. 156-163
Eco-products are evaluated in terms of reduced environmental impacts and saved energy in the framework of environmnental auditing of puroducts. Based on the world-wide experiences of LCA or PLA, the author discusses the task of nation-wide eco-labelling in Japan, and indicates special significances of the in design assessment of products in private firms. Non-governmental organizations would share the joint partnership of making production/consumption environmentallyfriendly, by means of eco-auditing with their initiatives to buying commended products. This paper shows the indicatiors of environmentally friendly products in the practice of a NGO network and summarizes the methodological requirements for more scientific and reliable evaluation procedure.