We can do many things to keep our water clean.
●Whenever you see litter such as cans and plastic bags（塑料袋）in the street, pick it up. When rainwater washes over the litter, it becomes polluted. The polluted water flows into rivers and the sea.
●Do not throw paint, oil or litter down your sink(水槽) or toilet.
●Pick up your dog's waste. It can also pollute the water when it is washed into rivers or the sea.
●Take home chemicals, waste oil and batteries to specified（指定的）places to throw them away.
●Do not throw litter on nearby beaches. We can have a volunteer group at our school or join a group to help clean the beaches instead.
Water is very important to living things. Without water there can be no life on the earth. All plants and animals need water. Humans also need water. We need water to drink, to cook food and to clean ourselves. Water is needed in farms, factories, offices, schools and families.
Water is found in seas, rivers and lakes. It can be found everywhere in the world, and it can also be found in the air. We cannot see or feel it when it is part of the air. Clouds are also made of water. They are little drops of water. When water freezes, it is ice. So ice is also water.
