Construction of the Yanba dam goes ahead in Japan

The Yanba multipurpose RCD in Japan moved ahead for construction recently, following 63 years of opposition. It will now provide urgently needed increased water supplies as well as flood protection for the Tokyo region, and hydropower production. This article traces the history of plans and setbacks for the project, its technical features, and finally steps which were taken to verify the benefits for society, which reassured local people about the multiple benefits of the scheme.