Shortages of freshwater have become a serious issue in many regions around the world, partly due to rapid urbanisation and climate change.
The study of resilience in the face of large physical and climatic change has emerged as an important area of research.
Water reuse networks have been emerging globally for the last 50 years. This article reviews the economic, social and environmental issues related to implementing water reuse networks in cities.
Increases in water treatment technology have made water recycling a viable engineering solution to water supply limitations.
![World map of the 142 cities in the UrbMet database. World map of the 142 cities in the UrbMet database.](https://sdgresources.relx.com/sites/default/files/styles/sus_content_listing_image/public/1-s2_0-s2210670716301135-gr1_lrg.jpg?itok=_fNgNMlm)
The sustainability of urban water systems is often compared in small numbers of cases selected as much for their familiarity as for their similarities and differences.
Combined Sewer Overflow (CSO) infrastructure are conventionally designed based on historical climate data.