Urban growth is increasing the demand for freshwater resources, yet surprisingly the water sources of the world's large cities have never been globally assessed, hampering efforts to assess the distribution and causes of urban water stress. We conducted t
Robert I. McDonald,Katherine Weber,Julie Padowski,et al. Water on an urban planet: Urbanization and the reach of urban water infrastructure[J]. Global Environmental Change-Human and Policy Dimensions,2014-01-01,Volume 27(July 2014):Pages 96-105.