+ Afri-Plastics Challenge For Sub-Saharan Africans 2022 Austin Emma, November 25, 2021December 1, 2021, Closed, Competitions, Opportunities, Afri-Plastics Challenge For Sub-Saharan Africans 2022, Environmental Competition, 0 Afri-Plastics Challenge is seeking the creation of new or the development of early-stage products, technology and/or services to encourage...