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空气污染作文篇1
although some city's air quality is improving, but it is estimated that the number of deaths due to air pollution each year up to 358000 people.
according to the self assessment, air quality in the recorded data of 338 cities, two-thirds is considered contaminated, two-thirds of which was rated as moderate or severe pollution.related to air pollution in china, breathing and heart disease is the top killer.thirty percent for acid rain place.the chinese government's environmental regulations are thought to have 20 years behind the united states, 20 to 30 years behind that in europe.and because of car usage increases, a true problem is worsening.
draw lessons from the beijing olympic games and shanghai world expo and the guangzhou asian games air quality guarantee of successful experience, promote the pearl river delta regional environmental cooperation, the implementation of regional air pollution defense measures from spreading.host during the universiade held in shenzhen air pollution index is less than 30, the air quality is superior, the successful completion of the "green universiade" air quality security tasks.
空气污染作文篇2
it is reported that ten big cities in china are being ranked among the top twenty cities with the highest pollution index in the world. this means it is high time we did something to bring the situation under control.many factors are contributing to the deteriorating situation: industrial wastes pumped into the air,the lakes and rivers; a increasing number of automobiles crowding into the streets; the widespread use of plastic bags etc.
to my view,stiffer laws and regulations must be implemented to check pollution. industries that release wastes without permission should be heavily fined. cars should be equipped to minimize the exhaust they release into the air. and the use of plastic bags and disposable meal boxes should be banned. what's more,the media should play an important role in implanting a sense of environmental consciousness into people's mind. if everybody works toward a common goal of making the environment better,we can create a cleaner and lovelier world for us and for the coming generation.
空气污染作文篇3
in general, there are two ways of traveling, private cars and public transportation. chinese people should regard public transportation as their first traveling opinion.
一般来说,有两种旅游方式,私家车和公共交通工具。中国人应该把公共交通工具作为旅游的第一选择。
first, there are so many people living in this countries that make it so crowded. if each chinese people own a car, there will be far more traffic jams and accidents, which increase you impatience.
首先,这个国家住着很多人,使得它非常拥挤。如果每个中国人都拥有一辆私家车,将会有更多的交通堵塞和事故,这会让你变得更加的不耐烦。
moreover, there will be far more pollution resulted from cars. once a car started, it release huge amount of dirty gas and heat, which lead to great pollution and result in green house effect.
再者,由于私家车将会有更多的污染。一旦汽车起动,它释放大量的脏气和热量,这会导致很大的污染和温室效应。
all in all, chinese people should take public transpotation into consideration first。
总之,中国人应该以公共交通工具为第一选择。
空气污染作文篇4
空气污染不管是对我们还是对植物危害都很大,为什么这么说?这是我通过一次研究发现的,至于是什么研究,就听我慢慢跟大家说。
在庭园里种些花草,不仅能美化我们的家,还能净化我们四周的空气,让我们呼吸的空气更清新。因此有人说,一个具有一定规模的庭园就像一个不停工作的天然“氧吧”,能提供我们所需的清新空气。但近几天我发现我家的天然“氧吧”“罢工”了,每天清早我到院子里,再也呼吸不到以前那种清新的空气了。这是怎么回事呢?是什么令到我家的天然“氧吧”停止工作呢?我下定决心,一定要把那个“凶手”揪出来!
针对上述事件,我查阅了大量资料,综合我对花草、树叶的连日观察,发现嫌疑最大的是近日车辆的频繁来往,造成了严重的空气污染,加上附近的一些食店排放出来的油烟因近日风势不强,得不到有效的散解,被花草、树叶过量地吸收,造成叶片表面气孔被尘粒堵塞,以至它们不能“工作”。我咨询了自然老师,老师认为这种可能性很高,让我回家去试验一下。于是我回去采了一些花草样本,把它们栽在室内,定期让它们照射阳光,浇水次数加密,几天后,和其他的`比较一下,发现经我“悉心照顾”的那些花草比外面的生长得好多了。根据我的实验结果,我把每天浇水的次数加密到每天3次,经过我一个多星期“苦心经营”,“天然氧吧”终于又恢复了正常的工作,每天为我们提供着清新的空气。
综合以上所述,我得出了结论:“天然氧吧”的停止工作,是因为周围空气污染的日趋严重,使花草过量地吸收了空气中的一氧化碳、碳氢化合物、氮氧化物以及空气中的悬浮粒子,以至花草、树叶中用于进行光合作用的气孔被堵塞,机能超荷,停止工作。我终于把这个“凶手”揪了出来!
你看,这就是空气污染的危害。空气污染其实伤害的不仅仅是我们自己,也伤害了地球上的许许多多的生物,还有我们的地球母亲……让我们一起行动起来,减少空气污染,一起保护我们的生存环境吧!
空气污染作文篇5
in the past few decades, our earth has changed a lot, but to the bad direction. among these changes, the air pollutions resulting from a huge number of automobiles and coal-burning is almost the severest. the severe air pollution alarms humans of the heavy load we have exerted on earth by our insatiable production and usage of automobiles. however, with the deepening of urbanization, more cars are needed, which will make the air pollution worse. therefore, the following actions should be taken. first, we should apply the most cutting-edge technologies in order to adopt new forms of energy as substitutes for fossil fuels. second, try hard to develop possible transportation means, which are enviromental friendly. so that the citizens can reduce the dependence on cars. in short, our humans should take responsibilities for the air pollution and have to find ways to solve this problem.
在过去的几十年中,我们的地球发生了很大变化,但是是往坏的方向。在这些变化中,大量汽车和煤燃烧产生的空气污染是最为严重的。严重的空气污染警告人类,我们无休止的的生产和使用汽车给我们的地球带来了沉重的负荷。然而,随着城市化的加深,汽车的需求量也越大,这会导致空气污染更严重。因此,我们应该采取以下行动。首先,我们应该运用最尖端的技术,以新型能源作为化石燃料的替代品。其次,努力寻找可能的环境友好型交通方式。这样城市居民就可以减少对汽车的依赖。简而言之,人类应该承担空气污染的责任,寻找解决这一问题的方法。
空气污染作文篇6
too many cars have created a lot of serious problems in our world. besides congestion, accidents and fast fuel consumption, cars are responsible for a good part of air pollution in big cities. all the time, they are pumping huge amounts of waste gases into the atmosphere. these gases are very harmful, causing disease and even death. one possible solution is to design and develop clean cars and clean fuels.
in shanghai, some of the public buses begin to run on natural gas, which does not give off as much carbon dioxide as the petrol. but it may take decades for the new models of clean cars completely replace the traditional ones. another solution is to develop modern public transportation systems and restrict the use of private cars. if the price of petrol rises constantly and the public vehicles are efficient and convenient enough, most people will not buy private cars. and the total number of cars in big cities will reduce greatly. on the whole, the elimination of air pollution needs the collective efforts from the government, the public and the environmentalists.
空气污染作文篇7
once man did not have to think about the protection of his environment. there were few people on the earth, and natural resources seemed to be unlimited.
today things are different. the world has become too crowded. we are using up our natural resources,and polluting our environment with dangerous chemicals. if we continue to do this, human life on earth will not survive.
we realize that if too many fish are taken from the sea, there will soon be none left. yet,with modern fishing methods, more and more fish are caught.we know that if too many trees are cut down, forests will disappear. yet, we continue to use powerful machines to cut down more and more trees. we see that if rivers are polluted with waste products, we will die. yet, waste products arestill put into rivers.
we know that if the population continues to rise at the present rate, in a few years, there won't be enough food.what can we do to solve these problems?
if we eat more vegetables and less meat, there will be more food available. land for crops feeds five times more people than land where animals are kept.
our natural resources will last longer if we learn to recycie them.
the world population will not rise so quickly if people use modern methods of birth control.
finally, if we educate people to think about the problems we shall have a better and cleaner planet in the future.
空气污染作文篇8
health, surrounded by, smog, anything but, gases, impurities, absorb, poisonous, try hard, blacked out.
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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