The African Academy of Sciences (AAS) announces the second phase of the Developing Excellence in Leadership, Training and Science in Africa (DELTAS Africa) program. DELTAS Africa funds networks/consortia led by Africa-based scientists to foster intra-Africa collaboration, improving research environments and training researchers to conduct relevant, locally contextualized studies. Key research priorities include the multidisciplinary nexus of human health in connection with climate change, among others. DELTAS Africa networks must consist of a minimum of three African partner institution. The deadline for preliminary applications is 28 February 2020. Link