Poetry for protecting water resources Water, water, you are the blood of the earth. Without you, there would be no life on earth. Water, you are the lifeblood of the earth. Without you, there would be no human beings on the earth. Everyone must save water. Water resources on the earth, in a broad sense, refers to the total amount of water in the hydrosphere. Including surface water and groundwater controlled by humans and directly used for irrigation, power generation, water supply, shipping, aquaculture, etc., as well as rivers, lakes, wells, springs, tides, harbors, and aquaculture waters, etc. In a narrow sense, it refers to the amount of fresh water that can be restored and renewed year by year. Water resources are important natural resources indispensable for the development of the national economy. In many parts of the world, the demand for water has exceeded the capacity of water resources. At the same time, many areas are on the verge of imbalance in water resource utilization, so we must cherish water resources.