Excess water in the urban environment results in flooding, which causes structural damage, risks to personal safety and disruption to city life. Water is also a major contributory factor for disease transmission as well as being the medium for transport of many pollutants. These problems are of increasing concern due to climate changes and are particularly apparent in the humid tropics. Integrated Urban Water Management in the Humid Tropics - the output of a project by UNESCO's International Hydrological Programme on the topic - focuses on engineering aspects related to water supply,...