Global change: impacts on water and food security

abastecimiento de agua alena approvisionnement en eau case studies changement climatique climatic change commercialisation financement financiamiento financing food security gestion des eaux globalization impact assessment inversiones investissement investment marketing mercadeo mondialisation nafta participation pobreza poverty private sector purification de l'eau ressource en eau sector privado seguridad alimentaria service services servicios tendance tendencias trends water management water purification water resources water supply