SSustaining waterSustaining waterde Robert EngelmanMateriasIntegrated water developmentWater resources developmentSustainable developmentEnvironmental aspectsWater-supplyPlanningWaterPurificationPopulation forecastingRecursos naturalesMedio ambienteEcologíaEdiciones (1)Sustaining water (1993)Population and Environment Program, Population Action International · inglésMás obras de Robert EngelmanCConserving landConserving land1995SStabilizing the atmosphereStabilizing the atmosphere1994More population, nature, and what women want
