Deployed tiger-worm toilet technology at Jewi refugee camp in Ethiopia with UNHCR
Gates Foundation and UNHCR piloted tiger-worm toilet technology — a biological waste treatment system using composting worms — at Jewi refugee camp in Ethiopia, which houses tens of thousands of South Sudanese refugees. The 'waste-to-value' approach decomposed faecal sludge into pathogen-free compost that could be used in camp gardens, converting a disease risk into a productive resource. The deployment produced operational best-practice guidelines later shared with the global refugee sanitation community. It represented part of the broader Gates Foundation conviction that refugee populations could benefit from the same sanitation innovation as urban slums.
Source: https://www.unhcr.org/bill-and-melinda-gates-foundation.html
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Funded UNHCR's 'Saving Newborn Lives in Refugee Settings' pilot — a two-year maternal health program in South Sudan, Jordan, and Kenya
Related Accomplishments
January 2026
Gates-backed World Mosquito Program reaches 16 million people protected from dengue via Wolbachia method
The World Mosquito Program — backed in part by the Gates Foundation — announced in January 2026 that its Wolbachia-infected mosquito releases had reached over 16.1 million people across multiple countries, including Colombia, Indonesia, Brazil, Sri Lanka, Fiji, Vanuatu, and Vietnam. Wolbachia-carrying Aedes aegypti mosquitoes — which block dengue, Zika, chikungunya, and yellow fever transmission — had established self-sustaining populations in treated cities without requiring ongoing releases. Gold-standard randomised trials in Indonesia showed a 77% reduction in dengue incidence. The program represented one of the largest and most cost-effective vector control deployments in history.
December 2025
Gates Foundation Pledges $100 Million to Global Financing Facility for Women's and Children's Health 2026–2030
On December 6, 2025, at the Universal Health Coverage High-Level Forum in Tokyo, the Gates Foundation pledged $100 million to the World Bank-hosted Global Financing Facility's 2026–2030 strategy for ending preventable deaths among women, children, and adolescents in LMICs. The pledge brings the foundation's total GFF commitment past $500 million since 2015. The GFF provides catalytic grant financing and technical assistance to strengthen LMIC health systems and expand quality access to health and nutrition services for the world's most vulnerable populations.
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