Grand Challenges Africa: Innovation for WASH in Urban Settings This request for proposals represents a partnership between the Bill & Melinda Gates Foundation, UNICEF, Arm, and The African Academy of Sciences (AAS).
Innovation for WASH in Urban Settings (Round 22) This request for proposals represents a partnership between the Bill & Melinda Gates Foundation, UNICEF, Arm, and The African Academy of Sciences (AAS). African entrants located in African organizations should apply through the Grand Challenges Africa (a program of The AAS) portal