Everyone knows that: water has a very important role to humans. Water accounts for 70-80% of body weight. Water is capable of supplying minerals, transporting nutrients, oxygen needed for cells, and nourishing cells in all activities of the body. Clean water contains many minerals that are beneficial to health, important to that, but the source of clean water is increasingly polluted.There are many causes of water pollution: natural pollution. Natural pollution comes from melting snow, rain, floods, storms, and pollution caused by the operation of factories and industrial zones. The speed of urbanization and industrialization increases rapidly, putting pressure on water resources, Pollution from daily activities, Pollution from urbanization, Pollution caused by other objective factors.  But the main reason is where? The main reason is due to the consciousness of each of us. Life is increasingly modern with the appearance of industrial zones. The process of urbanization and industrialization takes place rapidly to bring up the water. Clean water is becoming more and more limited and polluted. So to protect the water, let's: Keep the water source clean, do not disturb, do not defecate, do not discharge water directly into the water source, do not use the new analysis rework. Use according to the food protection instructions, preferably without using chemicals. Conserve clean water for everyone in the world to have access to. I hope the water will not be polluted again. To achieve that, we need to join hands with protected water. Can you do that for our lives?