City of Lusaka, Zambia: Open call for ideas on low-cost waste recycling and valorization, and on simple fecal sludge treatment and utilization technologies

Challenge: This initiative aims to improve urban sanitation in Lusaka’s unplanned settlements—home to about 70% of the city’s population, mainly low- to middle-income households—and to cu…

Demonstrating a Community-Driven Model for Sustainable Natural Resource Management and Upgrading Local Value Chains

Challenge: Madagascar produces a diverse range of specialty agricultural products in addition to rice, including globally prized vanilla, cacao, cloves, and high-quality ylang-ylang. Prod…

Leveraging technologies and Expertise to reduce environmental impacts associated with mine development

Challenge: Zambia is a globally significant resource-producing country, and the Copperbelt region is rich in mineral resources essential to Japan’s advanced industries, including copper, …