**Applications for membership to ProSPER.Net for 2020 have now closed.** Membership is limited to higher education institutions located in the Asia-Pacific region that offer postgraduate education and research in sustainable development (SD) and in fields related to education for sustainable development (ESD). An affiliate membership category is also open to higher education institutions located outside the Asia-Pacific region who are interested in working together with the network for the benefit of the region. Read more about the application process and how to apply here. The deadline for applications is 31 May, 2020 (11:59pm JST) (extended).