人类社会向前发展,人向自然界的索取不断增加,对自然的干扰也逐步加剧,致使自然界的承受能力受到影响,人与自然的关系出现紧张。为此,人必须处理好与自然的关系,以免人的生存环境受到威胁。水是自然界的重要因素,和人的生存与人类社会的发展关系密切。由于用水量不断增加和用水不当,一些地区出现水资源危机,人在和水旱灾害进行抗争中,也出现了由于措施不当带来的人为加大灾害的问题。因此,人必须在处理好与自然关系的框架中,认真处理好与水的关系,以保障水资源的永续利用和人类社会的可持续发展。

Along with the progressive development of the human society,the human demand for the material support from nature is higher and higher.Meanwhile the disturbance to the nature resulted from humanity is increasing accordingly,and then the influence on the sustaining capacity of the natural world also increases,and so a tensile relation between humanity and nature appears.Therefore humanity should deal properly with the relations to the nature so that the human survival environment may not be imperiled.Water is the important element of the nature,and keeps an intimate relation with the existence of the humanity.Due to the successive increase of the amount of water uses and improper water utilization,water scarcity occurred in some places and regions.In work of mitigating the water induced hazards sometimes unsuitable measures can also aggravate the disasters.Therefore people should handle properly the relations with water conscientiously in the framework of dealing properly with the relations to the nature,so that sustainable utilization of water resources and sustainable development of the human society can be ensured.