Preface

The advancement of science and technology and the rapid development of the global economy have greatly improved the quality of life in human society, but also brought a series of problems that threaten human survival, such as water pollution, lack of water and environmental damage, which has aroused widespread concern in the fields of environment, ecology and sustainable development in the world. Protecting the global environment and implementing sustainable development have become the consensus of human society. As the most populous developing country, solving environmental problems is not only in line with China’s own long-term goals for sustainable development, but also an important manifestation of the common interests of human society.
     The research content of this article includes the concept of water resources and its comprehensive development and utilization, the understanding, causes and prevention of flood disasters, measures for irrigation water and water intake methods, calculation of water consumption for urban water supply and knowledge of water sources, understanding of environmental concepts and classifications, main problems of the environment, content and tasks of environmental science, the relationship between environmental pollution and human health and the impact on human health, domestic and foreign measures and development history of environmental protection. Through the content of the article, readers can realize the importance and scarcity of water resources, the seriousness of environmental pollution and the harm caused by it, so as to let everyone increase the importance of nature, better protect the environment, and promote the harmony between people and the environment.

前 言

科学技术的进步和全球经济的迅猛发展，在极大地改善了人类社会生活质量的同时，也带来了水资源污染、缺失和环境破坏等一系列威胁人类生存的问题，从而引起了世界各国对环境、生态、可持续发展等领域的广泛关注。保护全球环境，实施可持续发展，已成为人类社会的共识。作为人口最多的发展中国家，解决好环境问题， 既符合中国自身可持续发展的长远目标， 也是人类社会共同利益的重要体现。
      本文研究内容包括水资源的概念以及综合开发利用；对于洪涝灾害的认识、成因以及预防；灌溉用水的措施以及水源取水方式；城镇供水的用水量计算和水源知识；对于环境概念以及分类的了解；环境主要存在的问题；环境科学的内容和任务；环境污染与人体健康的关系以及对人体的影响危害；国内外对于环境保护的措施和发展历程。通过文章内容让大家认识到水资源的重要性和稀缺性，环境污染的严重和带来的危害，让大家提高对自然的重视程度，更好的保护环境，促进人与环境和谐相处。