环境问题的作文英语(热门20篇)

There are still many problems of environmental protection in recent years. One of the most serious problems is the serious pollution of air, water and soil. the polluted air does great harm to people’s health. The polluted water causes diseases and death. What is more, vegetation had been greatly reduced with the rapid growth of modern cities.

To protect the environment, governments of many countries have done a lot. Legislative steps have been introduced to control air pollution, to protect the forest and sea resources and to stop any environmental pollution. Therefore, governments are playing the most important role in the environmental protection today.

In my opinion, to protect environment, the government must take even more concrete measures. First, it should let people fully realize the importance of environmental protection through education. Second, much more efforts should be made to put the population planning policy into practice, because more people means more people means more pollution. Finally, those who destroy the environment intentionally should be severely punished. We should let them know that destroying environment means destroying mankind themselves.

仍有许多问题近年来环境保护。最严重的问题之一是严重污染的空气、水和土壤。空气污染给人们的健康带来极大的危害。被污染的水会引起疾病和死亡。更重要的是,植被已大大减少,现代城市的快速增长。

为了保护环境,许多国家的政府已经做了很多。介绍了立法措施控制空气污染,以保护森林和海洋资源,制止任何环境污染。因此,政府在环境保护中扮演最重要的角色。

在我看来,为了保护环境,政府必须采取更具体的措施。首先,它应该让人们充分认识到通过教育环境保护的重要性。第二,更应努力把人口计划生育政策付诸实施,因为更多的人意味着更多的人意味着更多的污染。最后,那些故意破坏环境者的人应该受到严惩。我们应该让他们知道破坏环境就是毁灭人类自己。

As is known to all, waste on campus has become a more and more serious problem. We can easily see many students dump a lot of food in the garbage can. Some students spend thousands of yuan buying fashionable clothes and so on.

The negative effects of waste can be shown in the following aspects. In the first place, it makes some students dependent on their parents for money, which is harmful to their development.

If they don’t learn to support themselves, they will be “useless people” when they graduate. In the second place, it is not easy for our parents to arrange for our schooling. Last but not the least important, there is no denying the fact that our country is still poor. There are many people who cannot go to university and many poor people still need our help.

As far as I am concerned, I should set a good example to reduce waste on campus. First of all, I will refrain from wasting anything, from food to stationery. What’s more, I’m determined to call on more schoolmates to fight against waste. Only through these measures can we hope to reduce waste on campus.

The Environment around You

周围的环境

生活在社区里的孩子们生活单调：几乎不认识周围的邻居，没有兄弟姐妹。 社区负责人黄叔叔注意到这个问题，于是向大家征集解决问题的建设性意见。假如你是Li Ping, 请你写一篇80词左右的邮件向他提出你自己的建议。

内容包括：

1.吸引孩子们参加上文提到的社区青年俱乐部并参加其组织的活动

2.给孩子们提供一个娱乐交流的地方。

3.组织社区里的孩子参加清洁本小区的公益劳动

Dear Uncle Huang,

Thank you for reading my e-mail! I am living in this community. I don’t have any sister or brothers. I also have no friends here. Luckily, you want to help us. Here are my suggestions.

First, we can organize the children in this community to clean up our neighborhood. Through this activity, we can know each other and make new friends.Second, I hope we can be offered a room to do homework, and then we can help and learn from each other.Third, I think we can ask children to join our Youth Club. We can take part in a lot of interesting activities, such as holiday camps and discos, regular visit to the old people, evening parties and concerts.

Our life will be fun and colourful.

Best wishes!

Yours truly,

Li Pin

[英语作文：周围的环境

With rapid development of society,the environment is becoming a more and more severe problem.Low carbon,is a new conception of the whole world.We should turned off the light when we dont use it.We can take bus instead of driving car to office.We shouldnt use plastic bag in supermaket as possible as we can.If we do that,we can have a promising future.

随着社会的快速发展，环境问题已经变得越来越严重了。低碳，是一个世界范围内的新兴概念。我们应该及时关掉不用的灯，我们应该更多的乘坐公共交通工具而不是私家车，我们在超市购物的时候不应该使用塑料袋，我们只有这样做了，我们的未来才会有希望。

1.1词汇方面

如果把写英语作文比作建楼房的话，英语词汇在英语写作中起着砖、瓦的作用，是句子的最基本的组成部分，所以词汇是我们高中英语教学中的重点，单词听写是课堂教学必不可少的一个环节，但学生的词汇量毕竟有限，遇到问题时，便会用汉语词汇去补充英语词汇的空缺。

例如：交通十分繁忙。误：The traffic is busy. 正：The traffic is heavy.

她和一位教授结婚了。误：She married with a professor.

正：She married a professor.

英语词语的词义往往比较复杂，并和汉语有着一定区别。这种不同就会会导致学生仅把写作当作一词一句的翻译来做，结果是事倍功半。

1.2语法方面

英语中难点就是时态，语态的掌握。英语中常用时态共十六种，语态分为主动语态与被动语态，语气有陈述语气与虚拟语气之分。不同的时态有它特有的句法结构。如现在进行时态使用be＋v－ing形式来表示。现在完成时则用have／has ＋p．p来表示。一般将来时则用shall／will／be going to＋v来表示。英语中时间意义的表达是通过动词的时和体来加以反映，而汉语中不存在时、体等，汉语则依靠表示时间的副词（如“曾经”、“正在”、“已经”、“将要”）作状语，或利用虚词“了”、“着”、“过”等作补语这一语法手段来体现，动词本身无任何变化。在英语中，“already”和“ever”常常用在完成时态之中，不能与表示过去的时间状语连用。学生常常把上述句子错译成“Yesterday I have been to the park．”“Five years ago，they have known each other．”又如在英语中，我们常常用否定前置来

presently, the world is faced with serious water problems. but these problems witt become more intense and more comple in the future. our increasing population witt tremendously increase urban waters, primarily sewage. on the other hand, increasing demands for water witt decrease substantially the amount of water available for diluting wastes.

rapidly epanding industries which involve more and more comple chemical processes will produce large volumes of liquid wastes. many of thesewitt contain chemicals that are poisonous. to feed our rapidly epanding population, agriculture will have to be intensified.

this will involve ever increasing quantities of agriculture chemicals. from this, it is apparent that drastic steps must be taken immediately to develop corrective measures for the pollution problems.

there are two ways by which these pollution problems can be lessened. the first relates to the treatment of wastes to decrease their pollution hazard. this involves the processing of solid wastes "prior to" disposal and the treatment of liquid wastes to permit the reuse to the water or best reduce pollution upon final disposal.

the second approach is to develop an economic use for all or part of the wastes. farm manure is spread in fields as a nutrient. wastes from sewage disposal plants are used in some areas both for irrigation and for the nutrients contained.

liquid wastes from other processing plants may also be used as a supplemental source of water. only by doing these promptly now can we epect to solve the serious water problems in the future.

Environmental Protection No one，regardless of race, religion or nationality, can deny that the world we live in is becoming increasingly intolerable because of the effects of global warming. According to many experts, even greater impacts are still on the way. There are numerous causes for this problem. On one hand, human-related emissions of carbon into the atmosphere is causing, and will in the future cause, significant global warming according to the theory. On the other hand, the lack of knowledge about the importance of protecting environment hinders the solving of the problem. It is urgent that immediate and effective actions should be taken right away. First, more trees need to be planted to help improve and beautify the environment. Besides, stricter laws concerning global warming and irresponsible use of fuel resources have to be put into effect and achieved good results. In a word, there is a long way to go before we can take a comfortable world for granted again .

点评：环境问题也是四级作文命题重点话题之一。大学英语四级考试曾经考过Make our Cities Greener.近年来，全球气候异常，造成许多自然灾害的频繁，保护环境刻不容缓，已成为全社会乃至全人类共同关注的热点。

Today the quality of our natural environment has become an important issue. The world population is rising so quickly that the world has become too crowded. We are using up our natural resources and at the same time polluting our environment with dangerous chemicals. If we continue to do this, life on earth cannot survive. Concerned people have made some progress in environmental protection. Governments of many countries have established laws to protect the air, forests and sea resources and to stop environmental pollution.

Still more measures should be taken to solve environmental problems. People should be further educated to recognize the importance of the problems, to use modern methods of birth control, to conserve our natural resources and recycle our products. We are sure that we can have a better and cleaner place in the future.

今天,我们的自然环境质量已经成为一个重要的问题。世界人口增长如此之快,世界已变得过于拥挤。我们正在利用我们的自然资源,同时与危险化学品污染我们的环境。如果我们继续这样做,地球上的生命将无法生存。关注人在环境保护方面取得了一些进展。许多国家的政府已建立法律来保护空气,森林和海洋资源并停止环境污染。

更应该采取措施解决环境问题。人们应该进一步受过教育的认识到问题的重要性,使用现代避孕方法,来保护我们的天然资源和循环利用我们的产品。我们确信我们能在未来有更好的和更清洁的地方。

星期五放学后，我和妈妈去公园散步。

After school on Friday, my mother and I went for a walk in the park.

公园里的花散发着淡淡的清香，小草从地下钻出来了，柳树摇着绿色的长辫子。但是我发现有人带着小狗在草地上跑着，有的小狗在草地上随地大小便，草地就搞得很脏，小狗的粪便污染了公园的环境。

The flowers in the park exudes a touch of fragrance, the grass from the underground drilling, willow shook his green long braids. But I found someone with a dog run on the grass, some of the dog in the grass on the grassland is defecate, get dirty, dog feces pollution of the environment of the park.

我想我们每一个去公园的人都应该管号小动物，不要随意污染环境，这样我们的地球才会更加美丽。

I think every one of us went to the park to the people should be small animal, do not pollute the environment freely, so that our earth will be more beautiful.

Now, the earths environment continued to deteriorate, give people brought a lot of disaster, all this comes from peoples pollution. Want to let her to reduce pollution, only environmental protection.

Life, environmental protection is everywhere, such as: saving water, use less plastic bags, use of solar energy, hydroelectric power. Promote environmental protection and more people, has said that the earth is crying, please protect the environment. Also have said that protecting the environment, everyone duty, various and diverse. But some people dont cherish the earth, the stubborn still: waste paper, waste water, drive a car.

Once, I saw a man in the street in the smoke, smoke after not even cigarette out, throw it on the ground. Then he began to eat melon seeds, casually eat shell to vomit. I cant see it, he said to him: "how could that happen?" He said: "a child, understand what ah, go away. I have no fear, for he said:" I though small, but I also know that this is wrong, and you are an adult! And you also throw cigarette butts on the ground directly, now the weather is dry, one thousand fires to do. "Paused and said," there are sunflower seeds, the somebody else see how to think, you are affect the environment. "The man looked down, without a word, I think he will be corrected.

Another time, I went to my cousin home, saw the water as he scrubbed his hands on loud, wash your hands after he hands with a lot of paper. After I watched the said to him, "why are you so wasted?" Upon hearing this, he pursed mouth said to me: "so a bit, and has nothing to do!" I said angrily: "this has nothing to do how? Do you know those impoverished mountainous area children how much water one day only drink? Know not to know how much they only paper?" But my cousin drive is rightfully said: "dont know!" I said with a sigh: "we are more happy than them, how dont you know contentment?" At this moment, my cousin know "importance" of the story, low head, said: "I know I was wrong, Ill correct."

Let us start from me, to protect our only home!!!!

现在，地球环境持续恶化，给人们带来了许多灾难，这一切都来自人们的污染。想要让她减少污染，只有环保。

生活里，环保随处可见，比如：节约水资源，少用塑料袋，利用太阳能、水力发电。宣传环保的人也多了，有说地球在哭泣，请保护环境的;也有说保护环境，人人有责的，各种各样，五花八门。但也有人不爱惜地球，依旧我行我素：浪费纸张，浪费水资源，开汽车。

一次，我在街头看见一个人在抽烟，抽完后连烟头也不灭，直接扔在了地上。接着，他又开始吃瓜子，吃完的壳随便一吐。我实在看不下去，就对他说：“怎么能这样呢?”他说：“一个小孩子，懂什么呀，走开。我没有害怕，对他说：“我虽然小，但也知道这样不对，何况你大人!而且你还直接把烟头扔在地上，万一现在天气干燥，引起火灾怎么办。”停了停，说，“还有瓜子壳，人家看了怎么想啊，你这是在影响环境。”那人低下头，没有说话，我想他会改正的。

还有一次，我到堂弟家做客，看见他洗手时把水开得很大，洗完手后他还用很多纸擦手。我看了后对他说：“你怎么这么浪费呀?”他听后，撅着嘴对我说：“就这么一点，又没什么关系!”我生气地说：“这怎么会没关系呢?你知不知道那些贫困山区的孩子们一天只喝多少水?知不知道他们只有多少纸?”可我那不服输的堂弟却理直气壮地说：“不知道!”我叹了口气说：“我们比他们要幸福多了，你怎么不知道知足呢?”这时，堂弟知道了事情的“重要性”，低着头说：“我知道错了，我会改正的。”

让我们从我做起，保护我们唯一的大家园吧!

Nowadays environmental protection has become the first thing we have to do, because now the earths environment is under threat.

Now, we know that the earth has been warming, cold place has melted the ice, the water level becomes more and more high, let many coastal countries. More land desertification, disasters are hit, make our life is no longer so carefree.

First of all, we must start from the side.

Forests have been cut down, automobile exhaust emissions... The first will directly affect our lives, because they let we dare not breathe. So, the best way to deal with these problems is to drive less, ride bikes, and riding a bike is good for you! . But although it has been said that and said more than once, but why there are so many cars on the road? So, this method really, a bit not practical.

The simplest is to plant trees, the trees are humans good friends, they can help mankind to many things, such as clean air, and so on. So, a variety of trees, this method is very practical!

In short, our earth wanted us to take good care of yourself, to protect, want to use practical actions to help the earth, make the environment more beautiful!

先如今环保已经成为了我们必做的事，因为现在地球上的环境正受到威胁。

现在，我们知道地球已经开始变暖，寒冷地方的冰已经开始融化，变成的水使水平面越来越高，让许多沿海的国家被淹没。更多的土地沙漠化，天灾不断来袭，使我们的生活不再那么无忧无虑。

首先，我们必须从身边做起。

大片森林被不断砍伐，汽车尾气不断排放……这些首先就会直接影响到我们的生活，因为这些让我们“不敢呼吸”。所以，这些问题最好的解决方法就是少开车，多骑自行车，而且，骑自行车也很有益身体健康!。可虽然一直这样说，而且说了也不只一次，可为什么还是有那么多的车在路上呢?所以，这个方法实在，有点不实用。

最简单的就是种树了，树是人类的好朋友，他们能帮助人类许多事，比如净化空气啦，等等。所以，多种树，这个方法很实用!

总而言之，我们的地球要我们自己去爱护，去保护，要用实际行动来帮助地球，让环境更美好!

Many years ago, before I moved to the city, I lived in a small town. I was so close to the nature, I could see the mountain and the clear water. I remember the town became especially beautiful after the heavy rain, the air was so fresh and I felt a little cozy, it was like a gift from god in the hot summer. The mountain looked so clear over the heavy rain, it just washed by the rain. The things around me were so green. I love living in the town, I especially like the town when it was washed by the rain. At that moment, nature and me were united, we just like a group.

Its Our Duty To Protect Our Environment

Its our duty to protect our environment.Where do we live?The earth.The earth is the only one place we live in.So you know how important the environment is.

But now,some people are harming the environment,like cutting down trees,drawing pictures on public walls,littering onto the ground.Its terrible if we still do it.

Now,its time for all the people in the society to protect the environment.Its our duty.It needs each of us to make a contribution to improving the environment.We should make our environment more and more beautiful.

作文【一】

One day Sun Wukong together with his master and brothers was walking across a river. Suddenly his master fell off the horse by the bad smell of river water. They found the water so dirty that they could hardly breathe.

A lot of factories along the river always poured their waste water and rubbish straight into the river which made the river water polluted. In this way most of the fish in the river were killed. If the river water all over the country is polluted like this, no living things will exist in the water. Now more and more people have come to realize how serious this problem is. Our government is doing her best to take measures to fight against pollution. We expect that the water in every river will be made cleaner and cleaner before long.

作文【二】

There are still many problems of environmental protection in recent years. One of the most serious problems is the serious pollution of air, water and soil. the polluted air does great harm to people’s health. The polluted water causes diseases and death. What is more, vegetation had been greatly reduced with the rapid growth of modern cities.

To protect the environment, governments of many countries have done a lot. Legislative steps have been introduced to control air pollution, to protect the forest and sea resources and to stop any environmental pollution. Therefore, governments are playing the most important role in the environmental protection today.

In my opinion, to protect environment, the government must take even more concrete measures. First, it should let people fully realize the importance of environmental protection through education. Second, much more efforts should be made to put the population planning policy into practice, because more people means more people means more pollution. Finally, those who destroy the environment intentionally should be severely punished. We should let them know that destroying environment means destroying mankind themselves.

作文【三】

Dear editor,

Environmental problems are becoming more and more serious all over the world. _________________________________________________________

Yours truly

Li Hua

Dear editor,

Environmental problems are becoming more and more serious all over the world.

With the development of industry and agriculture, cars make great noises and give off poisonous gas. Because of population expansion and overdevelopment, resources has become less and less. Trees on the hills have been cut down, and waste water is being poured continuously into rivers. The whole ecological balance of the earth is changing. Massive destruction of environment has brought about negative effects and even poses a great threat to man’s existence.

We must face the situation that exists and take actions to solve our environmental problems. We hope that all these measures will be effective and bring back a healthful environment.

Yours truly

Li Hua

Task：Some people think governments should focus on reducing environmental pollution and housing problems to help people prevent illness and disease. To what extent do you agree or disagree?

Sample answer：

There is no doubt that people’s health will be influenced directly or indirectly by the environment and housing condition. Whether governments should focus more on the environment and estate has triggered a controversy. I feel that individuals should take more responsibility for their well-being other than government’s increasing attention.

Indeed, the environmental problems and housing conditions are two main sources for illness and diseases. In many large cities in northern China, haze weather has become a daily killer, especially causing respiratory diseases in winter. Also, populace will easily access to viruses and bacteria if they live in a poor housing condition without any advanced sanitation. Therefore, governments should give more attention and higher investment in these two areas.

Compared to individuals, governments have more power to arrange a wide range of social resources to address severe issues; however, it does not mean that addressing this problem totally depends on governments. The state is an organizer or a coordinator in our society instead of a responsibility taker. Although governments can claim people to enhance the awareness of environment protection, make policy to strengthen the environment management and invest estate where they need, public health condition is still a personal problem to some degree. People have the obligation to form and keep a healthy and positive lifestyle, or they will still face the threat of illness and diseases even environment and housing condition getting better.

In conclusion, people can also need to take responsibility of their well-being as governments only hold a position as organizer and coordinator. The most feasible solution may be that governments provide a fine setting on one hand and public should pursue a healthy lifestyle for themselves on the other hand.

[治理环境英语作文

About Environmental protection

The air we breath, the water we drink, the animals with us...We are engaged in building a harmonious relationship between the nature and we human beings.

As a supervisor of HSE management in an oil company, I can see the environmental protection in a different way.

In 1989, an oil tanker hit a rock off the northwest coast of Alaska. 35,000 tons of oil poured into the sea. The accident was one of the worst in history. More than 34,000 birds and 10,000 animals were killed. 4,800 square kilometers of ocean were polluted.

The poured oil long-time coverd the surface of ocean and the bodies of marine creatures.We call oil as "black gold",at that time, it turns out to be "black killer".When I saw the famous French film"The travelling birds", thousands of birds are stuck by black sticky oil and died in a few days,many species are no more exist. Ill never forget that sight-shocking scene.

Therefore, we ought to bound up environmental protection with industrial safty control.

Secondly, when oil tankers use ultrasonic waves to test underwater oil stocks, many whales sensing system is spoiled by the instant powerful ultrasonic bolt. Once they were hit by a ultrasonic bolt,they were almost deaf. They cant effectively respond dangerous surroundings around them and are liable to be reeled in the engine of oil tankers or be killed by whaler and other natural enemies.Thereby,we can see the quantity of whales declines very fast.

Its a shame that a great many oil companies havent even realized that. Highly attentions needs to be paid on to keep improving the exploring technology of drilling work on the sea.

All in all, Enviormental protection is an extremely wide subject, In my short essay I can hope at most to lift one small corner of that field and yet it is a critical corner

man and environment （人类和环境）

(1)the world we live in is becoming more and more intolerable because of environmental destruction.

(2)a lot of measures have been taken …

(3)however, the problem of environmental protection remains far from being solved.

the world we live in is becoming more and more intolerable because of environmental destruction. for example , forest destruction results in decrease of planting land and unpleasant weather. in addition, man is faced with problems of water pollution and air pollution.

a lot of measures have been taken. planting trees helps improve and beautify the environment. besides, laws concerning environmental protection have been put into effect and achieved good results.

however, the problem of environmental protection remains far from being solved. on the one hand, the environment pollution and destruction are getting worse and worse in the modern world. on the other hand, the lack of knowledge about the importance of protecting environment hinders the solving of the problem. in a word, there is a long way to go before we enjoy a clean and comfortable world.

[关于环境保护的优秀英语作文

导语：破坏环境，祸及千古，保护环境，功盖千秋。下面是yuwenmi小编为大家整理的优秀英语作文，欢迎阅读与借鉴，谢谢!

Environmental protection is a big project, but we can start from around things, do a lot of things to protect the environment.

Our paper every day, do you know the paper is how to? Is made of trees to make paper. Every year around the world to cut down many trees to make paper. I have seen a special TV, save 1500 sheets of paper, you can leave a big tree. The tree is our good friend, it can turn carbon dioxide into oxygen, can reduce the noise, can block the sand, can prevent water loss and soil erosion... Starts from me, saving every piece of paper, children all over the world can save a lot of a lot of paper, you can retain a lot of trees, you can leave a big forest, desert, less and less, more and more pure and fresh air, green more and more. How I wish my hometown mountain more green, and blue, the water environment of our lives forever charactizing a fine spring day.

We used in battery life; it contains lead, if throw it carelessly, section 1 waste batteries can lose one square metre of soil utilization value forever. In many countries, many areas have carried out recycling of waste batteries. In Germany, to buy a new battery, used batteries must be pay back. So, we should to find a "home" for waste batteries. I hope we panzhihua environmental protection departments also set up waste battery recycling. Thoroughly protect the soil so that it can always grow crops.

Save a piece of paper, recycling waste battery section... Although we do is small, but it made great contribution for environmental protection. I hope my classmates from now on, all to do an environmental small guards. There is only one earth, we have to take care of it.

【参考译文】

环保是一个很大的工程，但我们可以从身边的小事做起，为保护环境做很多事。

我们每天都要用纸，你知道纸张是怎么来的吗?是用大树来造纸的。全世界每年都要砍掉很多树来造纸。我看过一个专题电视，节约1500张纸，就可以保留一棵大树。大树是我们的好朋友，它可以把二氧化碳变为氧气，可以降低噪音，可以挡住风沙，可以防止水土流失……从我做起，节约每一张纸，全世界的小朋友可以节约很多很多纸，就可以保留很多很多大树，就可以留下一片大森林，沙漠越来越少，空气越来越清新，绿色越来越多。我多希望我的家乡山更青、水更绿，我们生活的环境永远鸟语花香。

我们生活中用到的电池，它含有铅，如果把它随手乱扔，1节废电池可以使一平方米的土壤失去永远的利用价值。很多国家、很多地区都开展了废电池的回收。在德国，购买新电池的时候，必须将废旧电池交回来。所以，我们应该给给废电池找个“家”。我希望我们攀枝花的环保部门也设立废旧电池回收站。好好的保护土壤，让它可以永远长出庄稼。

节约一张纸、回收一节废旧电池……我们做的虽然是小事，但却为环保做了大贡献。我希望我的同学们从现在开始，都来做一个环保小卫士。地球只有一个，我们都要好好爱护它。

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, hello! I am an alien from mercury. This time, I wrote to you for the environment on earth.

Ago, I went to visit the earth, the earths beautiful scenery let me fascinated. The river clear visible bottom, can see the fish swimming around, can see the bottom of the river green brown stone. A stream of bright blue, let me deeply respected. Come to the garden, and flowers there. Came to the forest, where birds, the animals free life. Lush trees... Returning to mercury, I told my friends everything I saw on earth, ready to go to earth for a few years with my friends.

A few years later, I came to earth with the guys. At this time, we cant believe the scene appeared in front of us: once lush trees has been changed to dongdong tall buildings. The previous clear visible bottom stream and stream of bright blue, has disappeared, has become a stinking creek, before swimming fish have been stinks, have a lot of rubbish in the river. Looked up and saw the sky is gray, it is already lost before the beautiful beautiful blue skirt. Road piled up a lot of rubbish, everyone passing by, and no one to clean up the trash.

I want you to take care of the environment and protect the environment.

当前，威胁人类生存的十大环境问题是：

(一)全球气候变暖

由于人口的增加和人类生产活动的规模越来越大，向大气释放的二氧化碳(CO2)、甲烷(CH4)、一氧化二氮(N2O)、氯氟碳化合物(CFC)、四氯化碳(CCl4)、一氧化碳(CO)等温室气体不断增加，导致大气的组成发生变化。大气质量受到影响，气候有逐渐变暖的趋势。由于全球气候变暖，将会对全球产生各种不同的影响，较高的温度可使极地冰川融化，海平面每10年将升高6厘米，因而将使一些海岸地区被淹没。全球变暖也可能影响到降雨和大气环流的变化，使气候反常，易造成旱涝灾害，这些都可能导致生态系统发生变化和破坏，全球气候变化将对人类生活产生一系列重大影响。

(二)臭氧层的耗损与破坏

在离地球表面10~50千米的大气平流层中集中了地球上90%的臭氧气体，在离地面25千米处臭氧浓度最大，形成了厚度约为3毫米的臭氧集中层，称为臭氧层。它能吸收太阳的紫外线，以保护地球上的生命免遭过量紫外线的伤害，并将能量贮存在上层大气，起到调节气候的作用。但臭氧层是一个很脆弱的大气层，如果进入一些破坏臭氧的气体，它们就会和臭氧发生化学作用，臭氧层就会遭到破坏。臭氧层被破坏，将使地面受到紫外线辐射的强度增加，给地球上的生命带来很大的危害。研究表明，紫外线辐射能破坏生物蛋白质和基因物质脱氧核糖核酸，造成细胞死亡;使人类皮肤癌发病率增高;伤害眼睛，导致白内障而使眼睛失明;抑制植物如大豆、瓜类、蔬菜等的生长，并穿透10米深的水层，杀死浮游生物和微生物，从而危及水中生物的食物链和自由氧的来源，影响生态平衡和水体的自净能力。

(三)生物多样性减少

《生物多样性公约》指出，生物多样性“是指所有来源的形形色色的生物体，这些来源包括陆地、海洋和其他水生生态系统及其所构成的生态综合体;它包括物种内部、物种之间和生态系统的多样性。”在漫长的生物进化过程中会产生一些新的物种，同时，随着生态环境条件的变化，也会使一些物种消失。所以说，生物多样性是在不断变化的。近百年来，由于人口的急剧增加和人类对资源的不合理开发，加之环境污染等原因，地球上的各种生物及其生态系统受到了极大的冲击，生物多样性也受到了很大的损害。有关学者估计，世界上每年至少有5万种生物物种灭绝，平均每天灭绝的物种达140个，估计到21世纪初，全世界野生生物的损失可达其总数的15%~30%。在中国，由于人口增长和经济发展的压力，对生物资源的不合理利用和破坏，生物多样性所遭受的损失也非常严重，大约已有200个物种已经灭绝;估计约有5000种植物在近年内已处于濒危状态，这些约占中国高等植物总数的20%;大约还有398种脊椎动物也处在濒危状态，约占中国脊椎动物总数的7.7%左右。因此，保护和拯救生物多样性以及这些生物赖以生存的生活条件，同样是摆在我们面前的重要任务。

(四)酸雨蔓延

酸雨是指大气降水中酸碱度(PH值)低于5.6的雨、雪或其他形式的降水。这是大气污染的一种表现。 酸雨对人类环境的影响是多方面的。酸雨降落到河流、湖泊中，会妨碍水中鱼、虾的成长，以致鱼虾减少或绝迹;酸雨还导致土壤酸化，破坏土壤的营养，使土壤贫瘠化，危害植物的生长，造成作物减产，危害森林的生长。此外，酸雨还腐蚀建筑材料，有关资料说明，近十几年来，酸雨地区的一些古迹特别是石刻、石雕或铜塑像的损坏超过以往百年以上，甚至千年以上。世界目前已有三大酸雨区。我国华南酸雨区是唯一尚未治理的。

(五)森林锐减

在今天的地球上，我们的绿色屏障——森林正以平均每年4000平方公里的速度消失。森林的减少使其涵养水源的功能受到破坏，造成了物种的减少和水土流失，对二氧化碳的吸收减少进而又加剧了温室效应。

(六)土地荒漠化

全球陆地面积占60%，其中沙漠和沙漠化面积29%。每年有600万公顷的土地变成沙漠。经济损失每年423亿美元。全球共有干旱、半干旱土地50亿公顷，其中33亿遭到荒漠化威胁。致使每年有600万公顷的农田、900万公顷的牧区失去生产力。人类文明的摇篮底格里斯河、幼发拉底河流域，已由沃土变成荒漠。中国的黄河流域，水土流失亦十分严重。

(七)大气污染

大气污染的主要因子为悬浮颗粒物、一氧化碳、臭氧、二氧化碳、氮氧化物、铅等。大气污染导致每年有30-70万人因烟尘污染提前死亡，2500万的儿童患慢性喉炎，400-700万的农村妇女儿童受害。

(八)水污染

水是我们日常最需要，也上接触最多的物质之一，然而就是水如今也成了危险品。

(九)海洋污染

人类活动使近海区的氮和磷增加50%-200%;过量营养物导致沿海藻类大量生长;波罗的海、北海、黑海、东中国海(东海)等出现赤潮。海洋污染导致赤潮频繁发生，破坏了红树林、珊瑚礁、海草，使近海鱼虾锐减，渔业损失惨重。

(十)危险性废物越境转移

危险性废物是指除放射性废物以外，具有化学活性或毒性、爆炸性、腐蚀性和其他对人类生存环境存在有害特性的废物。美国在资源保护与回收法中规定，所谓危险废物是指一种固体废物和几种固体的混合物，因其数量和浓度较高，可能造成或导致人类死亡，或引起严重的难以治愈疾病或致残的废物。

When we are in our classroom after 8：30 in the morning，we should not keep the lights on to avoid wasting electricity since there is enough light in the classroom.And if it is cloudy and rainy and lights are on，we should turn off the lights after school.Another thing we can do is to protect the forest which is reducing.We should use both sides of paper and we should not use paper cups and disposable chopsticks which are made of trees.

All these are the things we can do every day to make our environment better. As long as we insist on doing so，our environment will become better and better.