●Overview and Objectives - Currently, the entire industrial sector is being called upon to implement measures and initiatives aimed at utilizing renewable energy to achieve a decarbonized society. In this context, "kaizen" improvements that are effective for decarbonization and energy conservation are receiving more attention than ever, and the number of companies adopting them is increasing. - This course introduces the theme of "decarbonization" and "carbon neutrality," which have recently garnered attention, and explains why kaizen improvements are being highlighted now and how they are effective for "energy conservation" and "decarbonization," using examples from advanced companies.