小学五年级坚持作文350字篇9

Water is important,not only to the human beings,but also to all the creatures.We dare say all of the lives cannot survive without water.What makes us more and more worried is that water on our planet is becoming less and less.Besides,we have to be faced with the water pollution. It is really a big problem. In order to live on this planet,we human beings should deal with the problem seriously. Everyone should do his best to save and protect water source.