Wangari Muchiri, the Kenyan engineer committed to accelerating the ecological transition in Africa Senegal: Oulimata Gueye, a curator specializing in digital technologies and arts Susan Sagina Adongo : “At the heart of all my work is a passion for community-driven solutions” In Kenya, Nzambi Matee turns plastic waste into bricks In Ivory Coast, Rita Dro installs “book boxes” to encourage reading