Economic DevelopmentGross Domestic ProductEconomicsPopulation GrowthTechnologyUrbanizationIndustrial WasteEconomic RecessionIncomeWaste Disposal, FluidConservation of Natural ResourcesHealth ExpendituresIndustryChinaMalnutritionCitiesVietnamDeveloping CountriesSocioeconomic FactorsModels, EconomicForecastingGeographyModels, TheoreticalPovertyWater Pollutants, ChemicalIndiaUnited StatesVaccines, DNA