水在地球上足最普通的物质,但除了不能饮用的海水、冰川和南北极的冰雪,真正能供人类使用的水只有百分之一。正因为如此,水才成为人类社会中一个十分重要的要素。2000年12月20日,由塔吉克斯坦提出,148个国家支持的将2003年作为国际淡水年的提案在联合国获得通过。联合国的决议号召世界各国、各国际组织,在2003年加强 Water is the most common substance on earth, but only 1% of water is really usable for human use, except for un-drinkable seawater, glaciers and polar snow and ice. Because of this, water has become a very important factor in human society. On December 20, 2000, Tajikistan proposed that 148 countries support the proposal of 2003 as the International Year of Freshwater, which was adopted at the United Nations. The UN resolution calls on all countries in the world and various international organizations to step up efforts in 2003