A project for the environmental protection and integrated sustainable management of the Guarani aquifer is being elaborated with the support of the Global Environmental Fund, the World Bank, the Organization of American States and the universities of the four States.
在全球环境基金、世界银行、美洲国家组织和四国多所大学的支持下，精心制订了瓜拉尼含水层环境保护与综合可持续管理项目。