This report is a compilation of ProSPER.Net projects, programmes and events undertaken from 2015 to 2021, highlighting synopses on contexts, processes, outcomes, impacts, recommendations and lessons learned from wide-ranging experiences of the network. ProSPER.Net initiatives have centred on curriculum development demonstrated through joint projects that integrate sustainability into curricula; capacity building for young professionals and postgraduate students that equipped them with knowledge and skills on leadership for sustainability and research; and policy advice supporting policymakers.