The document discusses saving water and the importance of conserving this precious resource. It notes that over 1.5 billion people lack clean drinking water and water is used in large quantities for industry, agriculture, and at home. The document then outlines various efforts by students to reduce their water usage through measuring shower times, finding ways to save 20 liters of water in a week, saving water with each flush at school, and aiming to do better than spending 10,000 liters per day at their school.