如果说20世纪是石油的世纪,那么21世纪就将是水的世纪。水资源严重不足,水的供求矛盾将变得更为突出。据统计,目前世界上有80个国家约15亿人口面临淡水不足,其中29个国家的4.5亿多人口完全生活在缺水状态中。向哪里找水源呢?科学家至今找到的最清洁的水源有点出人意外:竟是深层 If the 20th century is a century of oil, then the 21st century will be the century of water. Serious lack of water resources, water supply and demand will become more prominent conflicts. According to statistics, about 1.5 billion people in 80 countries in the world are currently facing the shortage of fresh water, of which more than 450 million people in 29 countries are living in a completely water-stressed state. Where to find water? Scientists have so far found the cleanest water a bit surprising: it was deep