２１世纪，中国将出现水危机，这绝不是危言耸听。据有关资料显示，我国虽有水量２．８万亿立方米，但人均淡水资源仅２３００立方米，相当于世界人均的１／４，被列为世界上最贫水的１３个国家之一，目前，我国１５个省、自治区、直辖市人均水资源量低于生存的起码线。全国６ In the 21st century, there will be a water crisis in China. This is by no means alarmist. According to relevant information, although China has 2.8 trillion cubic meters of water, its per capita freshwater resources are only 2,300 cubic meters, equivalent to 1/4 of the world’s per capita, ranking as one of the 13 poorest countries in the world. At present, the per capita water resources of 15 provinces, autonomous regions and municipalities in China are below the minimum threshold for survival. National 6