几千年来,人类将水视为取之不尽的免费商品,对水资 源的不合理利用导致全球性缺水问题越来越严重,缺水业已 成为危及世界粮食安全、人类健康和自然生态系统的最大问 题。根据国际水资源管理学会的研究,2025年世界总人口的 1／4或发展中国家人口的1/3,近14亿人将严重缺水。 到2025年,生活在干旱地区的10亿多人将面临极度缺 For thousands of years, mankind has regarded water as an inexhaustible free commodity. As a result of irrational use of water resources, global water shortage has become more and more serious. Water shortage has become a threat to world food security, human health and natural ecology The biggest problem with the system. According to a study by the International Institute of Water Management, 1/4 of the world’s total population in 2025 or 1/3 of the population of developing countries, nearly 1.4 billion people will suffer severe water shortages. By 2025, more than 1 billion people living in arid areas will face a great shortage