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水资源危机已引起世界各国普遍重视。1972年联合国人类环境会议和1977年联合国水会议都发出了人类可能面临水危机的警告。联合国水会议通过了“马德普拉塔行动计划”,作为国家和国际在淡水领域方面行动的共同基础。1992年在里约热内卢召开联合国环境与发展会议,有100多个国家元首或政府首脑参加了这次会议,在这次会议上通过了“21世纪议程”,专辟一章论述了水资源开
The water crisis has aroused universal attention in all countries in the world. Both the 1972 UN Conference on the Human Environment and the UN Water Conference in 1977 sent a warning that humankind might face a water crisis. The UN Water Conference adopted the “Mar del Plata Action Plan” as a common ground for national and international actions in the field of freshwater. In 1992, the United Nations Conference on Environment and Development was held in Rio de Janeiro. More than 100 heads of state or government attended the meeting. At this meeting, Agenda 21 was adopted and a special chapter on water resources development