Abstract
Recently, in order to build sustainable society, transition from conventional business to environmentally conscious business, so called "Eco-business", is eagerly required. For promoting Eco-business, it is effective to support finding out Eco-business ideas. The purpose of this study is to modify an existing methodology for designing new Eco-business ideas. To modify the methodology, we evaluate it through studies of 20 cases of existing Eco-business. Then we modified the methodology; i) to define the Eco-business idea, which is output of the methodology ii) to change the idea generation process, and iii) to modify the evaluation of Eco-business ideas derived from this methodology.
