With the progress of industrialization, the quantity of fresh water on our earth is gradually diminishing. Water is very important to the survival of living things, including plants and human beings. Without water, lives will disappear on earth. Therefore, mankind should treasure fresh water. We should make every effort to save water. For example, when washing dishes by hand, don't leave the water running for rinsing. Take shorter showers. Always check the taps to see if water leaks.