记住，3月22日是世界水日。今年是第六个世界水日，主题是：地下水─—看不见的资源。据报道，“在未来战争中，制造水危机恐怕不只是进攻的手段，而可能就是战争的焦点了。随着全球人口的膨涨，有限的洁净水源所承受的压力会越来越重，武装争夺也就越来越不可避免。”“问题的 Remember, March 22 is World Water Day. This year is the sixth World Water Day, with the theme of: Groundwater - an invisible resource. It is reported that “in the future war, it is probably not just an offensive tactic to create a water crisis, but it may be the focus of the war. As the global population increases, the pressure on limited clean water sources will become heavier and heavier, and armed Competition is more and more inevitable. ”" The problem