1. United Nations. Transforming our World: The 2030 Agenda for Sustainable Development (UN, 2015).
2. Rittel, H. W. J. & Weber, M. M. Policy Sci. 4, 155–169 (1973).
3. APSC. Tackling Wicked Problems: A Public Policy Perspective (Australian Government, 2007).
4. Deletic, A., Fletcher, T. D., Brown, R. R., Hatt, B. E. & Wong, T. H. F. Water 35, 64–72 (2008).
5. Wong, T. H. F. et al. blueprint2013 — Stormwater Management in a Water Sensitive City (Cooperative Research Centre for Water Sensitive Cities, 2013).