The document summarizes JICA's Clean City Initiative to address environmental issues in developing countries through two approaches. The first approach aims to improve waste disposal structures and create a recycling-oriented society. The second approach seeks to create a healthy environment through pollution prevention measures and environmental regulations. JICA develops human resources and provides technical cooperation to strengthen facilities, finance, legal and organizational structures, as well as social awareness. The initiative aims to benefit 500 million citizens in 50 countries by 2030.