空气污染英文论文

自18世纪60年代产业革命开始以来，人类大量使用煤和石油等燃料，而使大气中的二氧化碳的浓度急剧上升。温室效应造成全球变暖的趋势，加剧了世界各地的自然灾害。 Since the industry revolution in 1760s, People started to use coal and oil That makes the percentage of carbon dioxide in air rise Green house effect induces to the trend of global warming, which deteriorates the degree of natural disaster all over the world AIR POLLUTION Sandstorms and the dust and gases from volcanoes pollute the earth's atmosphere But the most serious kind of air pollution comes from Factories, power stations, and rehicles exhausts[1] pump harmful gases into the air, contributing to global warming, causing acid rain[2], and destroying the ozone On a much smaller scale, air pollution causes all sorts of breathing There are no simple solutions to air pollution, but people could reduce air pollution by saving energy and reducing harmful emissions from vehicle exhausts and power When a volcano erupts, dust is blasted[3] high above the troposphere and may take weeks to be carried around the weather zone, so cannot be washed out of the air by It will eventually fall to the earth after a few Air pollution is at its worst over big cities where millions of people live, work, and travel about in cars, buses, and Factory chimmeys can be fitted with devices to cut down[4] air pollution, but this is If better pubic transport and cycle lanes were available in towns and cities, people would be less likely to use their cars, reducing the overall amount of Smoking cigarettes adds to the general levels of air pollution as well as damaging our Cigarette smoke contains chemicals that can cause cancer, a gas which stops oxygen being taken into the blood and a substance called nicotine, which raises blood pressure and makes the heart beat No-smoking areas cut down on this pollution and save non-smokers breathing in other people's cigarette 空气污染 沙暴和火山爆发喷出的尘埃和有毒气体自然而然地对地球大气造成的污染，然而最严重的空气污染却来自人类。工厂、火力发电站和车辆将有害废气排放到空气中，是造成全球气候变暖，出现酸雨，破坏臭氧层的罪魁祸首。就更小的范围来看，空气污染会引发各种呼吸道疾病。没有解决空气污染的简单办法，但人们可以通过节约能源、减少车辆和火力发电站的有害气体排放来达到降低污染的目的。 火山爆发时，尘埃被高高喷射入对流层以上的空间，需要几个星期才飘浮移至气象层，因而雨水无法将其从大气中冲走。几年之后，尘埃将最终漂落在地球上。 好几百万人在城市里工作、生活，还以轿车、公共汽车和卡车为交通工具，因而这种百万人口的城市空气污染最为严重。工厂烟囱可以安装滤清装置以减少空气污染，但成本昂贵。如能改善城镇公共交通，并设置自行车车道，人们就不再会热衷于使用自家汽车，从而达到全面减少污染的目的。 吸烟不仅对健康有害，而且增加空气污染程度。香烟雾含有多种有害物质：不仅有致癌化学物质、有某种能阻止氧气进入血液的气体，还有引起血压增高、心速加快的被称为尼古丁的物质。设立禁烟区有助于减少污染，并能使不吸烟者免受被动吸烟之害。 拷过来的

1：PM是英文Product Marketing的缩写。PM的中文意思是产品市场。2: PM是英文Project Management的缩写。PM的中文意思是项目管理。 3：PM是英文private message的缩写=PM的中文意思是私人信息，发信息给我的意思（常在论坛中使用,例如灌装机论坛）。4：PM是英文PageMaker的缩写。 PM是排版软件。5：拍马的缩写。6：PM是Polymethyl Methacrylate的缩写 中文名字叫做聚甲基丙烯酸甲酯。7：拍卖的缩写。 8：PM => 下午（AM => 上午）。9：PM是Pocket Monster的缩写。中文名字叫做”口袋妖怪” 10：PM 是英文plan maintain 的缩写中文意思是计划维护，在现代的工业厂常有专人负责计划维护系统，用于设备定期维护 。11：PM是Primitive Member原始会。12：PM是Power Manage的缩写，中文意思是电源管理。13：PM是发短信的缩写。post message 常指论坛的会员之间发短信息。14：元素符号： Pm 英文名： Promethium 中文名： 钷最后一个最近很火的PM值5是指大气中直径小于或等于5微米的颗粒物，也称为可入肺颗粒物。这个值越高，就代表空气污染越严重。在城市空气质量日报或周报中的可吸入颗粒物和总悬浮颗粒物是人们较为熟悉的两种大气污染物。15：PM是Project management 项目管理。

Air pollution is one of the major problems of the modern A great deal of energy is needed to run the factories of modern industrial Automobile, trains, planes and busses need energy, Nearly all of this energy is produced by burning The burning produces wastes, some of which remain in the air, causing air 　　Scientists are finding ways to stop air pollution especially in big industrial areas and densely-populated They are studying new ways of generating Electricity that may be less damaging to the In the meantime, many power plants are being modernized to give off less polluted Also, engineers try to design and locate new power plants to do minimum damage to the 　　However, it may be that we still have a long way to go before we have a "clean" Nearly all of the countries are trying hard to prevent and control air There indeed seems to be no end to tasks that environmentalists will be required to People will continually find new ways to control 　　We all know that clean air is important to good Wherever you go and whatever you do, you are always surrounded by a sea of gases that we call If there are impurities in the air, they may be absorbed by our bodies and make us We need clean air, but unfortunately , air pollution is globally present , especially in 　　Many large cities are anything but pollution- Our cities have many factories, which we need to make food, clothing and other Every year these factories pour millions upon millions of tons of smog into Power plants and houses that burn coal add greatly to air Besides , there are more cars in cities Once out on the streets, they will take in fresh air and replace it with poisonous 　　Our country is trying hard to prevent and control air 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 Then , the sunlight will no longer be blackened out by smoke and 　　　　Good morning, ladies and My topic is air 　　First of all, The root causes of air The main sources of air pollution is transportation, especially They produce lots of Carbon dioxide, nitrous oxide and Factories are the second major cause of air The factories burn fossil fuels which produce waste 　　Furthermore, the air pollution changes the conditions that we depend Such as the greenhouse effect and the acid The air pollution contributes to global As a result, it become the greenhouse It can warm up the The greenhouse effect will increase the temperture of Earth, which means the ice at the south and north pole will The cities which locate near the oceans may disappear and the people which live there will have to swim 　　More importantly, acid rain is very harmful to the Acid rain damages everything over a period of time because it makes the living things in the environment Acid rain affects the life in the water as well as the life on It is almost worse in water than on land because the fish that are in the water need the water to When the water gets polluted, then the fish get sick and end up Acid rain harms the soil and poisons our Acid rain also kills the plants which give us clean 　　Above all, polluted air makes us sick; it’s bad for our 　　Finally, We must solve the problem of air First, we can go by bike or take underground instead of driving a car if we want to go The government should make some For example, ask the private cars to drive on even days or odd The second, we should plant more trees because plants and trees can produce the fresh It’s good for our health and Third, we should close or move the factories which produce the polluted air to 　　The beautiful planet of ours is our To take care of the world is to take care of Let’s work together to keep our world alive and 　　Thanks for 　　《作文Car and Air Pollution》 英语作文 2009-10-17 10:47:05 阅读102 评论0 字号：大中小 订阅 　　Direction: For this part you are allowed 30 minutes to write a composition on the topic Cars and Air P You should write no less than words and base your composition on the outline below:　　私家轿车越来越多，有些问题随之产生。　　比较明显的大问题有　　我对这种现象的看法。　　Car and Air Pollution　　Too many cars have created a lot of serious problems in our Besides congestion, accidents and fast fuel consumption, cars are responsible for a good part of air pollution in big All the time, they are pumping huge amounts of waste gases into the These gases are very harmful, causing disease and even One possible solution is to design and develop clean cars and clean In Shanghai, some of the public buses begin to run on natural gas, which does not give off as much carbon dioxide as the But it may take decades for the new models of clean cars completely replace the traditional Another solution is to develop modern public transportation systems and restrict the use of private If the price of petrol rises constantly and the public vehicles are efficient and convenient enough, most people will not buy private And the total number of cars in big cities will reduce On the whole, the elimination of air pollution needs the collective efforts from the government, the public and the 　　There are many factories that bring pollution to We can not have fresh air in the This is mainly because of the poisonous smoke coming from factories, especially chemical 　　If we do mot fight against pollution, surely one day all of us will be Some people like to put the blame on the industrial On the contrary, the pollution problem will be solved only with the help of modem science and 　　最佳答案 Air pollution is one of the major problems of the modern A great deal of energy is needed to run the factories of modern industrial Automobile, trains, planes and busses need energy, Nearly all of this energy is produced by burning The burning produces wastes, some of which remain in the air, causing air 　　Scientists are finding ways to stop air pollution especially in big industrial areas and densely-populated They are studying new ways of generating electricity that may be less damaging to the In the meantime, many power plants are being modernized to give off less polluted Also, engineers try to design and locate new power plants to do minimum damage to the 　　However, it may be that we still have a long way to go before we have a "clean" Nearly all of the countries are trying hard to prevent and control air There indeed seems to be no end to tasks that environmentalists will be required to People will continually find new ways to control

Pollution is becoming more and more serious all over the As is shown in the cartoon， two cars are giving off waste gas and three people are trying to avoid breathing in the poisonous gas by masking their face with their The poisonous gas sent off by factories， domestic appliances and automobiles has made the air unhealthy for people to [意义阐述段] There is no denying that automobiles are indications of civilization， progreand development; neverthele， automobiles cause the serious problem of air Scientists have warned that unleeffective measures are taken， the problem of pollution will eventually get out of Actually， people are showing a real concern over the For example， there is an increasingly loud voice from the public for firm action against pollution from