不断扩张的城市、过度使用化肥以及各种工厂和生活污水的肆意排放，使得全球

The continuous expansion of cities, excessive use of chemical fertilizers, and the wanton discharge of various factories and domestic sewage have made the current situation of global water resources continue to deteriorate, and nearly half of the water resources have been seriously polluted. The continuous outbreak of water pollution incidents has also caused serious impacts on people's daily life and production. Water pollution incidents have repeatedly become the focus of attention of people all over the world. While we are sighing, perhaps we should think more about: Who is polluting the water that we depend on?

Expanding cities, overuse of fertilizers and the indiscriminate discharge of various factories and domestic sewage have worsened the global water situation, with nearly half of the water resources severely polluted. The continuous outbreak of water pollution incidents, but also to people's daily life and production has caused serious impact, water pollution incidents have become the focus of attention around the world. In addition to sighing, we should perhaps think more: Who is polluting the water on which we depend?

The expanding cities, excessive use of chemical fertilizers, and the wanton discharge of various factories and domestic sewage make the current situation of global water resources worse and worse, and nearly half of the water resources are seriously polluted. The continuous outbreak of water pollution incidents, but also to people's daily life and production caused a serious impact, water pollution incidents have become the focus of attention of people around the world. While we are sighing, maybe we should think: who is polluting the water we depend on?<br>