Arthur Kabugu Mathenge listens to our Swahili broadcasting and told us that, in Kenya, all garbage is deposited in one place without being sorted, leading to environmental problems. He wants to know about how Japan deals with garbage. Our Swahili broadcasting Kenyan announcer Martin Mwanje goes to Yokohama where he finds that representatives from Africa have visited the city government to learn about how Japan deals with garbage. Martin reports on a waste treatment plant, methods for recycling and incinerating garbage, and educational activities aimed at children. He also visits the town of Kamikatsu in Tokushima Prefecture which has no large-scale waste treatment plants but nevertheless achieved a recycling rate of 80%. What is their secret?