économie d'eau (1) chômage (1) eau de surface (1) représentation (1) accroissement de la population (1) politique (1) modèle (1) gestion (1) ménage (1) eaux souterraines (1) croissance économique (1) consommation (1) Afrique (1) Gross domestic product (1) Will (1) Water-supply (1) Groundwater (1) Water (1) Unemployment (1) South Africa (1) Social accounting (1) Sewage (1) Seawater (1) Scarcity (1) Representative government and representation (1) Population (1) Poor (1) Management (1) Impact (1) Households (1)