...Jorge Alejandro Silva; María Concepción Martínez Omaña Purpose The aim of this research is to analyse the literature on drinking water management in Mexico City and Singapore, considering water supply, institutional organisation and management, and rates so as to propose recommendations...

...., 2016). In 1991, Mexico City’s air was so poor that it was the catalyst for 44 environmental emergencies that required closing several industries and prohibiting cars from the city’s roads for 61 days in total (Rich, 2003). That year, on many occasions, schools were closed, all outdoor activities...