請根據下列提示用英語制作海報，呼吁人們節約用水。

　　 水是生命之源，無水便無生命;

　　 現代社會對水的需求越來越大;

　　 許多地方缺水，大量的水被污染;

　　許多人浪費水;

　　 采取措施，與污染及浪費水的行為作斗爭。

　　注意：詞數：60左右。 Saving water means saving ourselves!★ Water is the basic source of life. There would be no life without water.

　　 More and more water is needed in the modern society.

　　 Many places are short of water; many rivers and lakes are polluted. Whats worse, many people are wasting water.

　　 In order to protect water, lets do something to fight against all kinds of pollution and waste of water.