“呤——”我的手機響了起來。我拿起手機一看，原來是總部的短信。大體內容是讓我和我的助手們去密林街治理河水污染。於是，我們以閃電般的速度奔向密林街。
一到密林街，一股難聞的臭味撲面而來，我和助手們不約而同的捂住鼻子。“怎麼這麼臭？”大甲埋怨着，“難道我們要在……”他突然不説話了，指着前方。我們放眼望去，只見一條小河，河水黑黑的，時不時有一兩條死魚漂過。我的分析器上顯示出了四個黑色的大字：河水污染。在字的後面跟着一個幽黑的骷髏頭。
我望着骷髏頭，皺着了眉頭：河水污染有這麼嚴重嗎？
“環境衞士，我等你好久了！”一個尖尖的聲音傳過來。不一會兒，一個污水人從污水裏鑽了出來。
“污水將軍，來得不遲呀！”我冷笑着説。
“看！”污水將軍狂笑着 ，“你們這些人類只為自己的利益，讓工廠的廢水和生活廢水不經處理就排到了河裏，給我帶來了無窮的能量。今天就讓你們自食其果！”
污水將軍握緊了拳頭，好像想把我撕成碎片似的。
綠藤小聲説：“怎麼消滅污水？”
我説：“先找到源頭。”我環顧四周，不一會兒，我就發現了幾個排水口，一股股污水從排水口裏流出來。
我突然有了一個主意。我在綠藤耳邊説了幾句話，綠（）藤點點頭，用光速轉移器消失了。
污水將軍趁這個機會，向我們衝過來，大甲張牙舞爪地撲了過去，兩人混戰到了一處。
不一會兒，綠藤回來了，他手裏拿着幾個小機器人。小機器人們飛快的爬到一個個污水排水口上，開始過過濾污水。
污水將軍還沒反應過來，我又拿出三個過濾炸彈扔到河裏。隨着三聲巨響，污水將軍頓時飛灰煙滅。河水瞬間變得清澈見底，還能看見幾條小魚在自由自在地游來游去。
我們露出了高興的笑容，有説有笑的走在回去的路上……
地球為什麼會流淚呢？下面讓我們揭曉答案吧！
有一天，我發現地球傷心地哭着，就問她："地球姐姐，你為什麼會哭呢？＂地球答道：＂你先去問問自然環境吧。＂
＂好的。＂我邊走邊説。我來到小溪邊，那裏的小草枯萎了，小溪髒的不成樣，柳樹也被砍斷了，周圍的一切都暗淡無色。我仔細地看着還有沒有小草活着，＂嘿！小草，你還活着嗎？＂＂嗯，活着。咳~我好口渴！＂小草無力地説。＂啊，是這樣啊，我馬上去拿水。＂我邊説邊往家裏跑去。
我拎了一大桶水，準備給沒死的小草喝。＂小草，快喝吧！＂我把水給小草。＂咕嘟~咕嘟，謝謝你！＂小草滿足。＂不用謝。對了，你和這裏的環境為什麼會變成現在這個樣子？以前還很好看呢！＂我疑問。＂那是因為溪水髒了，給我喝的水也髒了，所以才會變成這樣。至於小溪為什麼那麼髒你要問她。＂小草答道。＂謝謝。＂我走向小溪邊。問道：＂小溪，你好，你為什麼會變得又黑又髒呢？＂小溪傷心的説：＂嗚嗚嗚~因為那邊有一座工廠，天天排放污水出來，害的我被污染。還有，有人會丟一些果皮紙屑或瓶瓶罐罐的進我的身體。我好難過呀！＂我説：＂是呀，那些人們一點道德品格也沒有，我們不能學他們！這裏還有好幾棵漂亮的樹呢，全被砍掉了！要是我，肯定不會這麼做的！＂小溪説：＂你真是一個善良的人！＂我説：＂謝謝！＂我默默地離開了小溪，來到地球旁邊，問：＂地球姐姐，我知道了，你是為那些死亡的自然環境而哭的吧！＂地球説：＂是的，不僅這樣，我渾身都髒髒的，好難受啊！＂我説：＂我一定會叫身邊的人保護環境的，我現在就去！＂
地球流淚了，請大家做到：保護環境，人人有責！讓地球的哭淚變成甜淚吧！
尊敬的先生女士：
我給您寫信是想陳述我對水的污染問題的看法。普遍認為，水的污染是當今嚴重的公害。世界各國的河流正在受到垃圾及有害化學物質的污染。船舶加劇了污染，因為它們依靠河流排放廢物。油和其它化學物質會殺死魚類並使水不能飲用。總之，污染了的水對人人都是個大問題。
正如你所明白的，人們靠水生活。他們應當參與找到解決污染問題的方法。我認為，需要儘快採取某些應對措施。首先，各國政府理應制訂處理污染問題的規章制度。此外，在全面處理和淨化廢液以前，必須禁止城鄉工廠把廢液排入河流。我覺得，如果這些工廠違反有關的法規或法律，則應加重罰款。當然還會有一些其它的治理方法值得采取。
至於未來的前景，我相信，在這一方面會取得良好的成果。過去一度被工業廢料污染的河流將會得到清理，幾年以前魚類不能長年的河流又會重見魚羣。總之，似乎很明顯，只要人人各盡其責並努力去尋找控制污染的方法，明天將會變得更完美、更光明。
如果需要對這個問題做進一步評論，請不吝賜函。多謝！
順致
敬意
保爾西安斯
Dear Sir or Madam,
I’m writing to you to state my view on the water pollution problem. It is generally accepted that water pollution is a serious public hazard today. Rivers all over the world are being polluted with garbage and dangerous chemicals. Ships contribute to the problem because they rely on rivers for disposing of wastes. Oil and other chemicals can kill fish and make water unsafe for drinking. Because they rely on rivers for disposing of wastes. Oil and other chemicals can kill fish and make water unsafe for drinking. In a word, polluted water is a big problem to everyone.
As you know, people depend on water to live on. They should be involved in finding a solution to this problem. I think, certain counter measures need to be taken as soon as possible. To begin with, the governments of all countries are supposed to formulate rules and regulations to deal with the pollution problem. In addition, factories in towns and cities must be prohibited from draining waste liquids into rivers before they are totally treated and purified. I feel if they violate relevant rules or laws, they should be fined heavily. Certainly, there are some other cures which are worth adopting.
As far as future prospect is concerned, I am sure that good results will be achieved in this respect. Rivers which used to be contaminated by industrial wastes will be cleaned and fish which could not live there a few years ago will be again. To conclude, it seems obvious that tomorrow will be better and brighter only if everyone does his part and tries hard to seek solutions for its control.
If any further ment on the issue is required, please don’t hesitate to write to me.
Thanks.
Yours sincerely
Paul Sears
We all know that clean air is important to good health. Wherever you go and whatever you do, you are always surrounded by a sea of gases that we call air.
If there are impurities in the air, they may be absorbed by our bodies and make us ill.
We need clean air, but unfortunately ， air pollution is globally present ， especially in cities.
Many large cities are anything but pollution-free. Our cities have many factories, which we need to make food, clothing and other things.
Every year these factories pour millions upon millions of tons of smog into air.
Power plants and houses that burn coal add greatly to air pollution.
Besides ， there are more cars in cities now.
Once out on the streets, they will take in fresh air and replace it with poisonous gases.
Our country is trying hard to prevent and control air pollution.
As long as every citizen also realizes its importance and makes join efforts, the day will come soon when people will take in only clean air.
Then ， the sunlight will no longer be blackened out by smoke and soot.
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