环境和人类英文作文【推荐19篇】

The earth is our home.We should be kind to it.How does our earth turn better?Here are some tips.Firstly,we should know the important of environmental protection.Secondly,as a student,we shouldn’t litter paper and empty bottles everywhere.We should keep our environment clean and tidy.Thirdly,we can plant more kinds of trees in our spare time,they can make fresh air.

In a word,protecting the environment is very urgent.It is everyone’s responsibility.We should try our best to make our earth better and better.

We all know Tagore.This famous Indian poet once said, “Life is given to us, and we earn it by giving it.” As the saying goes, nature is given to us, and we earn it by contributing to it. However, most people nowadays just want to ask for more from the nature. In fact, they do very little contribution to the nature. Therefore, the environment around us is becoming worse and worse.

Do you often use batteriesThen do you know it takes 50 times more energy to make them than they produceAnd just one simple battery can pollute as much water as a person can drink in his whole life. The facts and figures are amazing. So would you please try to use batteries only when it is necessaryIf possible, give the used ones to the recycling companies so that they will be made into new ones and won’t be able to pollute the environment any more.

Sometimes we become complacent when it comes to recycling, but when you speak in terms of actual facts and figures that everybody can understand, people become much clearer about the problem.

We, as school students, can also join in recycling activities to protect the environment. For example, our class set up a recycling

center beside the back door, it is very useful. It is used to collect the waste paper and plastic bottles. In the past, our classmates used to throw all of these into the trashcan. At the very beginning of this collecting activity, it was not so warm-welcomed. Later, more and more people were influenced by the others and joined this collecting activity. Gradually, all the students in our class form a good habit to protect the environment. All of us will now put away the reusable things instead of throwing them into the trashcan.

We should always remember in our mind that protecting the environment is our duty that we can never neglect. Finally would you please let me end this speech with a little poem, “Be kind to the river. Be good to the trees. Smile at the sunshine, and bow to the breeze. Be friendly to nature, and nature will be friendly to you!”

[保护环境的作文英文

how to save environment? i think we should do the followings: first, it’s best to ride a bike to school, don’t take a bus or a taxi. second, i will remember to turn off the lights when i leave the classroom. third, in my free time, i will collect the empty bottles and waste paper for recycling. the fourth idea is turning off the shower when i ‘m not using it. fifth, it is imporment to save water and money. also, i won’t spend too much money on expensive things. last, we had better not cut down the trees, we have to take care of the trees . i’ll try my best to save the energy, i hope i can do something for our country.

the environmental protection is the most major problem which in the modern life the humanity faces. must solve this problem must start from foundation. first, must massively propagandize, enhances peoples consciousness with understanding, strengthens the environmental protection consciousness. next, must carry on waste recovery use, reduces to forest-trees felling. also must strengthen to white pollution processing, little uses the plastic product. finally, must make improvement to clean aspect. causes the citys appearance to be neater. for earths tomorrow, we must start from the now diligently, will want the well local constable to protect the environment. to this us proposes as follows suggests: implementation trash classification packed in bags. like this not only can reduce the environmental sanitation workers work load, but also can even better basically arrive makes use of waste, to reduce the pollution, saves the resources.

With the broadcast of smog,this long-standing environmental problems,become the hot discussion once again.According to some reports,the frequent appearances of smog obscure the clarity of the sky recently.Some people drove slowly on the road because they could not see clearly. They also suffered from many illnesses caused by smog.

Smog is the general expression of various higher-than-permitted suspended particulate matter (such as PM2.5) in the atmosphere,which express the state of air pollution .It contains fog and haze,both of them are disastrous weather. Fog consists of a large number of tiny water or ice crystals.It’s actually a harmless natural phenomena that makes visibility worse .Haze is air pollution in which is mixed up with dust, smoke and other dry particles. The components that make up haze may have negative effect on peoples health, especially for children and the old.

So it’s necessary to find out the reason why leads to smog and work out the resolution.If we trace the cause for smog weather ,the main points are natural causes that include windblown dust and manmade causes which include three aspects.Firstly,china s air quality standards are rather lax and evaluation factors are limited.Secondly,some enterprises just go for economic interests instead of observing relevant law and regulations.Obsolete equipment、industrial fuel burning and manufacturing operations are high likely to emit much wasted air.Thirdly,across our society ,relevant protection awareness has not built up.Just for the sake of convience to go out,people rely more and more on travelling and working by car while car is the main cause for smog.

To settle this problem,a series of meaures should be taken as follows.Primarily,we should establish a sound control system of smog. Not only can environmental protection departments strengthen air monitor,but government should enact more strict laws and regulations.Moreover,Reduce pollution sources is the fundamental solution to cut air pollutants. For example,we can reduce the amount of fuel vehicles or close down high polluting enterprises.Developing green and energy-saving energy can lower the emission of smog.Last but not least, People should do personal protection.They need to reduce the time for outdoor sports and pay attention to rest in smog days.Everyone all over the country should take measures to reduce the smog weather. We can use more public transport such as the bus and the underground so that the number of cars will be limited.Also,people should plant more trees. As far as I’m concerned ,if we work together to do such measures ,smog weather will vanish completely and we will get clear and blue sky.

大家好！我虽然只是一个普通的小学生，不过，我非常关心现在的环境。

你们也知道，地球是我们的家园，环境与我们的生活息息相关。我们那美丽的地球已经被人类毁的不像样了，水渐渐少了，动植物也濒临灭绝……发臭的河面上漂浮着垃圾、肮脏的树枝上挂着塑料袋、黑黑的草地上堆着果皮和纸屑，人类生活在了一个“黑色”的地球上。

保护环境，人人有责，这句话随处可见，可人们却没能做到这一点。请你们扪心自问：难道做一件保护环境的小事就那么难吗？难道丢垃圾的时候，挪动一点步伐都不行吗？

在生活中，我最看不惯的就是那些破坏环境的人，我自己也亲身经历过保护环境的事情。

那是在我上小学三年级的时候，我已经是个懂得保护环境的孩子。有一天，我和妈妈去逛街，猛然间我发现了一个大哥哥手里拿着一大堆零食，吃完就把包装纸往外扔，丝毫没有注意到距离他身旁一米的垃圾桶。我的潜意识告诉我，要制止哥哥乱丢垃圾！于是我冲上前去，捡起一个包装纸，像书里的故事那样对着前面的哥哥喊着：“哥哥，你的垃圾掉了！”那位哥哥根本没有理会我的话，而是继续向前走去。我把垃圾丢到空空如也的的垃圾桶后骂道：“哼！现在的人，太没公德心了！”的确，21世纪的人就是那样自私自利。

还好，认识到环境污染严重的还不止我一个，身边还有许多热爱环境，保护环境的人。有一次，我在街头看到了一群身穿黄色衣服的哥哥姐姐们，他们的衣服上还有一个显眼的标题：保护环境，人人有责！这时他们正在街道上穿梭，捡着路上的垃圾。他们的背影，深深的刻在了我的心中。而那显眼的黄色和标题吸引了许多路人，他们也情不自禁地行动起来，看着一群群穿梭在人群中的“环保志愿者”我仿佛也心动了……

保护环境的大事，并不是所有人都可以知道，可以去做的，但是，身边的种种小事，却是触手可及的，是任何人都可以去做的。如果只有一个人来保护环境的话，那么这种杯水车薪力量是远远不够的，我们必须要齐心协力，共同来保护地球的环境，那样地球才能恢复原来的面貌。我希望每个人都能行动起来，保护环境，从小事做起，比如：看到垃圾拣起来、不乱扔白色塑料袋、种植小树……如果人人都能保护环境，那么我们的祖国将会变的更美丽，空气更清新。

The earth is our only home to this day, and many people know that "there is only one earth, we should love it", but some people just talk about it and do nothing. They dont know that some very small actions can protect the environment -- by sorting out the garbage and using the battery to choose the rechargeable battery. Plant more trees in your spare time...

Now the earth is seriously ill, mainly caused by air pollution, water pollution and soil pollution.

Air pollution is mainly caused by the floating of material from factories, power stations and car exhausts into the atmosphere, making the air "dusty and footless". In cities with severe air pollution, people and animals are also affected and stunted. In addition, if the atmospheric carbon dioxide content is too high, it will produce a greenhouse effect, which will melt the ice in the south and south poles and reduce the ozone layer rapidly, which will eventually lead to global warming. It is not difficult to prevent this phenomenon. We can use the power of the transportation to replace the diesel fuel, thus reducing the exhaust emissions, the simplest way of course is to plant more trees.

Water source pollution is mainly caused by waste water and climatic factors. With the increase of population and the extension of human life, mankind will face unprecedented water scarcity. Some people say that the worlds water supply will be in short supply after 2030. To this, we must pay attention to saving and protecting water resources.

Soil pollution is my concern, because soil has a huge connection to air and water. Without soil to grow plants, there is no source of air, and soil is an important survival basis for plants and animals. Without soil, we humans could die. So we must protect the soil. There are many ways to protect the soil, such as in daily life, dont bury things like disposable batteries and foam plastics into the soil. We need to start small, and everyone is helping to protect the soil.

The earth is the cradle of life and the common home of mankind. We should love the earth and protect the earth.

We want to hold a green Olympic Games ,so everyone should do something useful to protect the environment ,whether it is big or small.

我们要举办一个绿色奥运，每个人都应该做些无论是大或小的有用的事来保护环境。

We should do something to stop people from doing bad things to the environment .We should put rubbish into dustbins instead of throwing it about. Everyone must care for flowers ,grass and tress in public .We shound collect things like paper ,plastic bags our neighborhood as well ,it’s necessary to plant more trees every year .

我们应该做些什么来阻止人们对环境做一些不好的事情。我们应该把垃圾放进垃圾箱而不是直接扔了，每个人都必须爱护公共场所的花，草，树木。我们应该收集社区的一些像纸，塑料袋的东西，每年种植更多的树是必要的。

It is everyone’s duty to make our neighborhood much better with our hands minds .Let’s make a contribution to protecting the environment and the Plympic Games successfully.

用我们的双手和头脑使我们的社区变得更好是我们每一个人的职责。让我们为保护环境做贡献，祝奥运会成功。

人类，让我们保护环境!保护环境对人类来说是不可忽视的。

如今，工厂的大烟囱正冒着浓浓的黑烟;马路上，各种车子排放着尾气;小河里都是垃圾，肮脏极了……

昨天，我到菜场去，又看到了塑料袋。这是一种白色污染。去年的时候，通过整治，得到了一段时间的好转，电视也播放过了。然而，现在人们又忘记了它的危害，虽然它使用起来方便，却造成了环境的污染。风一吹，到处飞扬起来。埋在泥土下吗?可是又不会腐烂。焚烧起来吗?又污染了空气。只有大家同心携手共同拒绝白色垃圾，我们的家园才能更洁净，生活更美好!

生活中，随地吐痰，乱扔垃圾等不文明现象还是无处不在。从小做起，从我做起!共同爱护人类的家园——地球。

我看到，天空中飘落着滚滚黑烟；我闻到，空气中弥漫着波重的汽油味；我听到，隆隆的机械声震荡大地，话题“环境”佳作：人类，你将走向何方作文。我知道，这是人类发展的必然结果。可是人类啊！你真要走向这不归路？

我不知道，你们是否知道伦敦的大雾？我不知道，你们是否看到草原在消失，沙漠在吞噬着一切？你们不曾知道曾经有一个巴比伦王国，还有一个被埋在黄沙下的楼兰吗？

人类啊！你们的发展是那么的迅速，你们贪婪地吮吸着地球的资源。可是，可是这是一条不归路啊！诚然，无人愿意放弃钢筋水泥的楼房，搬回到茅草屋里；无人愿意放弃电灯，点着煤油灯度过漫漫长夜；无人愿意放弃汽车而以双脚或骑着驴赶，不仅如此，绝大多数人有了基本满足之后还想有更好，更多的科技产品。而这一切的物质享受却要付出环境的代价。一位美国人说："我们遇到了敌人，这个敌人就是我们自己。"我们砍原始森林，我们向长江倾泻污水，我们向天空排放滚滚黑烟，这是经济发展的需要，这是人民对物质生活的需求。如果真的到了那一天，当我们终于榨干了黄河，逼疯了长江，终于把淮河染成黑色，我们仍然在追求单一经济增长指标，不顾子孙后代赖以生存的土地、河流、大气和森林，这种增长能维持多久？如果肥沃的土地都变成沙漠，如果空气中充满有毒物质，如果河流污染得连鱼都无法生存，那么我们生活的意义何在？我们生存的根基何在？

"原以为你是那么宽广，不在乎带走一片阴凉；原以为你是那么坚强，没想到你的眼泪在流。地球，我们唯一的家园，让我们爱你到地久天长！地球，我们的母亲，让我们尽情沐浴你的阳光。"这一首环保歌曲，带给人们的是更多的警醒和沉思：在人类对大自然进行了疯狂的掠夺后，还未来得及体会万物之灵长的胜利，就匆匆迎来了大自然疯狂的包复，话题作文《话题“环境”佳作：人类，你将走向何方作文》。持续的干旱和暴雨，频频光顾的沙暴，污染的空气和海洋，不再蔚蓝的天空……人与自然的搏击，人的贪婪和短见注定了人类将输得更惨。在痛定思痛中，是否开始学会尊重，善待自然，学会与自然和胜利相处？

尊重自然，尊重生命，地球上的一花一木一草，都有其生存的权利。河水，溪流，海洋只有保持其清澈才能更好地为人类服务。没有动物相伴的日子是无味的。当地球上只有人类存在时，也就是人类发展的悲哀，如果人类能学会不滥杀动物，不破坏绿荫，不贪婪地吸吮地球资源，学会整治发展得来的污染物，我相信，人类的发展与生态的平衡不会是个矛盾体。

人类，你将走向何方？是灭亡还是生生不息？不是说要保护环境，谋求发展吗？对自然的打击得到的是自然的报复，是紧接着的灭亡。对自然的尊重、善待，得到的是自然的爱抚与慷慨馈赠。人类，你将走向何方呢？

My home is in the fast court, which is not particularly upscale, but I have a deep feeling for it, because I grew up here, knew it, knew it, and loved it.

Into the three periods of the door, is a circular square, you can climb up the steps, and stood looking down at the top of the square, first saw is a lawn, the grass is covered with trees, osmanthus flowers, camphor trees, maple, pine and other plants, each springing up and down a peg or two, along with a row of azalea bushes. Far from afar, like a long dragon; Because in winter, the grass is yellow and soft. The lawn added vitality to the square. Generally speaking, the square is very spacious and can be used for peoples activities. The lawn is surrounded by a circle of brown wooden chairs for people to relax.

Walking further, you will see a stone bridge across a river, about 60 meters long, a bit rough and a mysterious and ancient feeling. There is a round ball on the railing. The bridge is a little steep, and it takes a lot of effort to get down, but people cant stop running. Willows planted a few trees on both sides, it is often the wicker as braid, wind rustled, wicker dancing with the wind, a peaceful river, there is little ripples, but returned to normal in a short time. You can stand on the bridge, hand on the rough railing, the sturdy bridge, looking down at the river flowing past, feeling very comfortable.

When we finished the stone bridge, we turned right and went to the residential building. The color of the building is basically white, the frame outside the window is gray, the tile on the roof is black, give a person in general a kind of fresh and fresh feeling. There are three or four camphor trees planted in front of each building. How high the trees are, high up to the third floor; How green the trees were, and how vigorous the trees were, and how tall the trees were, standing erect, like dutiful soldiers, who guarded our homes. The green belt was separated by blocks of buildings, with small shrubs and bushes, in sharp contrast to the tall camphor trees.

This is the neighborhood where I live, a common and ordinary place. But as long as you observe carefully and feel the heart, you will find this is so lively and warm and charming!

With the improvement of our living standard， more and more people can afford a car。

As a result， our roads are more often than not crammed with cars。

However， with more and more waste gas being discharged by the cars， the problem of air pollution bees even more serious。

So nowadays we advocate to lead a low-carbon life。

My suggestion is we should ride bikes more often instead of driving cars。

By riding a bike， we can not only exercise our body but also protect our environment。

Why not have a try， my dear friends?

与我们的生活水平的提高，越来越多的人都买得起汽车的。

因此，道路往往没有堆满了汽车。

然而，随着越来越多的废气排放是汽车、空气污染问题变得更加严重。

所以此刻我们提倡过低碳的生活。

我的推荐是我们就应更经常骑自行车而不是开车骑一辆自行车，我们不仅仅能锻炼身体，也能保护我们的环境。

为什么不试试，我亲爱的朋友?

I’m very proud that I have chosen to speak to you all today, I’m a bit nervous as I’ve never made a speech before to so many people ,so please forgive me if it shows.

As we all know,the environmemt around us is getting worse and worse .In some places we can’t see fish swimming in the river or trees on the hills. Some people even have no clean water to drink. So I think we must do something to protect the environment. .But what can we doHow to protect our environmemtFor example, we can go to school on foot or by bike . we can use shopping basskets not plastic bags .when we go shopping and we can use both sides of the paper when we write .In a word ,if everyone pays more attention to our environment ,there will be less pollution and our life will be better.

“There is only one earth”,I hope everyone will protect our environment well.

1.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.

2.We can’t live without water, but now the water was polluted. It is the biggest problem. It influences our daily life. So we should find a way to solve this problem. Water is important resources. In our daily life, we often leave the tap on after cleaning hands. Sometimes we often drop litter in the river. So the water was polluted by us. I think we could use a bottle of water two or three times. We have to turn off the tap after cleaning hands.

Let’s try to form a good habit and save things around us. Let’s do it from now on!

Fish can’t live without water. Plants can’t live without water. People can’t live without water, either. As you can see, the water is very important to us. But now drinking water is leand less. The water was polluted seriously.

So we would act quickly in order to save the water, But what must we do nowI think we can plant trees, clean the banks of the river, water the plants by using used water. Turn off the shower while we are washing hair. And we shouldn’t drop litter into the river and so on.

It’s our duty to try our best to protect and save water. And don’t forget that if we don’t save water, the last drop of water will be our tear

Water is very important to us. We can’t live without water. But the drinking water is leand less. Because we waste a lot of water in our daily life. And some of us often throw rubbish into the rivers. So the rivers are polluted seriously.

It’s our duty to save water, we must do something to save water. For example, we shouldn’t pour waste water into the rivers and we should pick up litter around us.

If we don’t save water, the last drop of water will be our tear

自然环境是人类生存、繁衍的物质基础；保护和改善自然环境，是人类维护自身生存和发展的前提。这是人类与自然环境关系的两个方面，缺少一个就会给人类带来灾难。

我们生活的自然环境，是地球的表层，由空气、水和岩石(包括土壤)构成大气圈、水圈、岩石圈，在这三个圈的交汇处是生物生存的生物圈。这四个圈在太阳能的作用下，进行着物质循环和能量流动，使人类(生物)得以生存和发展。

据科学测定，人体血液中的60多种化学元素的含量比例，同地壳各种化学元素的含量比例十分相似。这表明人是环境的产物。人类与环境的关系，还表现在人体的物质和环境中的物质进行着交换的关系。比如，人体通过新陈代谢，吸入氧气，呼出二氧化碳；喝清洁的水，吃丰富的食物，来维持人体的发育、生长和遗传，这就使人体的物质和环境中的物质进行着交换。如果这种平衡关系破坏了，将会危害人体健康。

人类为了生存、发展，要向环境索取资源。早期，由于人口稀少，人类对环境没有什么明显影响和损害。在相当长的一段时间里，自然条件主宰着人类的命运。到了"刀耕火种"时代，人类为了养活自己并生存、发展下去，开始毁林开荒，这就在一定程度上破坏了环境。于是，出现了人为因素造成的环境问题。但因当时生产力水平低，对环境的影响还不大。

到了产业革命时期，人类学会使用机器以后，生产力大大提高，对环境的影响也就增大了。到本世纪，人类利用、改造环境的能力空前提高，规模逐渐扩大，创造了巨大的物质财富。据估算，现代农业获得的农产品可供养五十亿人口，而原始土地上光合作用产生的绿色植物及其供养的动物，只能供给一千万人的食物。由此可见，人类已在环境中逐渐处于主导地位。

但是，严重的环境污染和生态破坏也随着出现在人类面前。大气严重污染，水的资源空前短缺，森林惨遭毁灭，可耕地不断减少，大批物种濒临灭绝，人类赖以生存的自然环境正处在危机之中。日益恶化的环境向人类提出：保护大自然，维持生态平衡是当今最紧迫的问题。

Topic:

Environmental problems are as big as not for individual country or individual people to address。

In other word， we have reached the stage that environmental problems be solved for international view。

To what extent do you agree or disagree?

In recent years， many nations have bee more aware of the environmental issues each nation faces， such as air and water pollution。

The question is， are the environmental issues a national problem or an international problem? It is my belief that the environmental issues have grown to the point of being an international problem needing international cooperation to resolve。

Because of the differences in environmental policies， resources and technology， international cooperation could provide quicker results and have a greater impact on bringing resolution to environmental problems for nations of differing environmental policies and of lesser resources and technology。

By pooling international resources and technology to address the environmental problems， the disadvantaged nations are provided the assistance needed。

Otherwise their environmental conditions deteriorate ultimately affecting the resources and environment of the world as a whole。

One of the difficulities to an international resolution to environmental issues is the difference in individual nations view and policies toward environmental protection。

In order for international cooperation to occur and succeed， the nations of the world must submit themselved to international standards and supervision by an international mission elected by the participating nations of the world。

All members must agree to abide by the standards established。

The environmental issues facing each country are not unrelated to the well being of the rest of the world。

The impact is long term and international in scope。

Without international cooperation and agreement to address such environmental issues as glacial melting at the South Pole， depletion of the ozone layer， water pollution， air polution， etc。， the environmental conditions of the world will deteriorate to the detriment of every nation， not just those that ignore or lack the resources and technology to resolve their individual environmental problems。

As part of the same planet， it is the responsibility of each individual and nation to protect the global environment。

Only international cooperation will provide the timely solutions and the effectiveness needed to stop the deteriorating global environment。

1972年6月5日至16日由联合国发起，在瑞典斯德哥尔摩召开“第一届联合国人类环境会议”，提出了著名的《人类环境宣言》，是环境保护事业正式引起世界各国政府重视的开端。中国政府也参加了这个会议。

中华人民共和国的环境保护事业也是从1972年开始起步，北京市成立了官厅水库保护办公室，河北省成立了三废处理办公室共同研究处理位于官厅水库畔属于河北省的沙城农药厂污染官厅水库问题，导致中国颁布法律正式规定在全国范围内禁止生产和使用滴滴涕。1973年成立国家建委下设的环境保护办公室，后来改为有国务院直属的部级国家环境保护总局。各省（市、区）也相继成立了环境保护局（厅）。并设立环保举报热线12369和网上12369中心接受群众举报环境污染事件。

政府的环境保护部门主要职责是执行各级议会（人民代表大会）制定的控制污染物排放政策，鼓励开发污染物排放控制技术以控制污染，保护和改善环境。

[关于人类保护环境的作文

自然环境是人类生存、繁衍的物质基础；保护和改善自然环境,是人类维护自身生存和发展的前提.这是人类与自然环境关系的两个方面,缺少一个就会给人类带来灾难.

我们生活的自然环境,是地球的表层,由空气、水和岩石(包括土壤)构成大气圈、水圈、岩石圈,在这三个圈的交汇处是生物生存的生物圈.这四个圈在太阳能的作用下,进行着物质循环和能量流动,使人类(生物)得以生存和发展.

据科学测定,人体血液中的60多种化学元素的含量比例,同地壳各种化学元素的含量比例十分相似.这表明人是环境的产物.人类与环境的关系,还表现在人体的物质和环境中的物质进行着交换的关系.比如,人体通过新陈代谢,吸入氧气,呼出二氧化碳；喝清洁的水,吃丰富的食物,来维持人体的发育、生长和遗传,这就使人体的物质和环境中的物质进行着交换.如果这种平衡关系破坏了,将会危害人体健康.

人类为了生存、发展,要向环境索取资源.早期,由于人口稀少,人类对环境没有什么明显影响和损害.在相当长的一段时间里,自然条件主宰着人类的命运.到了"刀耕火种"时代,人类为了养活自己并生存、发展下去,开始毁林开荒,这就在一定程度上破坏了环境.于是,出现了人为因素造成的环境问题.但因当时生产力水平低,对环境的影响还不大.

到了产业革命时期,人类学会使用机器以后,生产力大大提高,对环境的影响也就增大了.到本世纪,人类利用、改造环境的能力空前提高,规模逐渐扩大,创造了巨大的物质财富.据估算,现代农业获得的农产品可供养五十亿人口,而原始土地上光合作用产生的绿色植物及其供养的动物,只能供给一千万人的食物.由此可见,人类已在环境中逐渐处于主导地位.

但是,严重的环境污染和生态破坏也随着出现在人类面前.大气严重污染,水的资源空前短缺,森林惨遭毁灭,可耕地不断减少,大批物种濒临灭绝,人类赖以生存的自然环境正处在危机之中.日益恶化的环境向人类提出：保护大自然,维持生态平衡是当今最紧迫的问题.

Water is used in homes, in farming, and in manufacturing. The water used by the people comes from oceans, lakes, rivers, and streams. Many water sources are becoming polluted.

People are throwing things into the water. Factories are dumping waste materials into the water. Cities are dumping sewage into the water. Some water sources have become so badly polluted that the water cannot be made fit to use.

Would you like to drink water that came from a source that had been so badly mistreatedNow is the time that we should take up our responsibility to protect our environment from being polluted.

people have been living on the earth for thousands of years.humanactivity influences the earth. some people believe that theearth isbeing harmed by human activity. others feel that humanactivitymakes the earth a better place to live. in my opinion, theearth isbeing damaged by human activity. there are manystatementssupporting my opinion.

human activity has damaged natural environment and almostexaustednatural resources. modern industry needs more and moreresources,including minerals, fuels and water. so we confront ofthe seriousproblems such as the lack of fuels and water.ecological balance isdamaged because factories occupy many placeswhere animals andplants live. more and more buildings areconstructed and forestsbecome less and less. if we cannotrecognize these problems andsolve them soon, we would finally losethe environment suitable forour living.an other serious problem is the green-house effect.humanactivity decreases forests and increases the usage of fuels sothatthe gas of carbon dioxide is output more and more and there arenotenough plants to absorb it. the green-house effect is moreobviousand more sensible these years. due to the effect, icebergsin thesouth polar and north polar melt and the sea level becomeshigherthan before. i am worried about the cities nearby the sea andhopescientists find an effective method to eliminate thegreen-houseeffect.

although we have advanced machines and our life seemsmorecomfortable than before, we have less chances to approachnaturesand less spaces to act. the cities become bigger and if wewant tohave a picnic with our friends, we have to drive a longdistance tofind a natural place. in fact, the spaces of humanactivity arebeing damaged by the skyscrapers and factories.from the above statements, we can conclude that humanactivitybrings the earth many damages. fortunately people haverecognizedthe point and i believe that the earth will become abetter placeto live with our ceaseless efforts.

Now， our side of the car constant more up， the environment also increasingly worse! That the air around us there are many harmful substances。

Therefore， we want to Sue around things start to do。

For example， we can go to school by bike or walk， it can exercise。

If you have time can use less elevator， many climb stairs。

We can not only physical exercise， but also to protect our environment。

此刻，我们身边的汽车不断的多了起来，环境也越来越糟糕!以至于我们周围的空气有很多有害物质。

所以，我们要苏身边的小事做起。

比如，我们能够骑自行车上学或者步行，这样还能够锻炼身体。

有时光的话能够少用电梯，多爬楼梯。

我们不仅仅能锻炼身体，也能保护我们的环境。