onekindofpollution作文.pdf

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1、one kind of pollution 作文 Air pollution Air pollution is one of the major problems of the modern world.A great deal of energy is needed to run the factories of modern industrial nations.Automobile,trains,planes and buses need energy,too.Nearly all of this energy is produced by burning fuels.The burni

2、ng produces wastes,some of which remain in the air,causing air pollution.Scientists are finding ways to stop air pollution especially in big industrial areas and densely-populated cities.They are studying new ways of generating electricity that may be less damaging to the environment.In the meantime

3、,many power plants are being modernized to give off less polluted material.Also,engineers try to design and locate new power plants to do minimum damage to the environment.However,it may be that we still have a long way to go before we have a clean and beautiful world.Nearly all of the countries are

4、 trying hard to prevent and control air pollution.People will continually find new ways to control air pollution.Noise pollution Noise is among the most pervasive pollutants today.Noise from road traffic,jet planes,jet skis,garbage trucks,construction equipment,manufacturing processes,lawn mowers,le

5、af blowers,and boom boxes,to name a few,are among the audible litter that are routinely broadcast into the air.We experience noise in a number of ways.Our life gets noisier every day and very few people can be free from noise.It doesnt matter where you live in the middle of a modern city,or a farawa

6、y village the chances are that youll be disturbed by jet airplanes,transistor radios,oil-powered engines,etc.Noise pollution can be unpleasant or even unbearable.It comes in many different forms.No matter where the noise comes from,it makes everyone feel uncomfortable.In noise environments,most peop

7、le are easy to get angry and cannot sleep peacefully.Students cannot put their hearts into their studies.How terrible if things go on like this!So,noise pollution must be paid attention to so that everyone can live in a pleasant and peaceful world.Water pollution With the development of industry wat

8、er pollution is becoming more serious now.The polluted water not only kills fish it is also harmful to our health.Rivers and lakes are not so clear as before.The water in the rivers and lakes is getting dirtier and dirtier.Most of fish in the water have died,and we cant swim in the water.Water quali

9、ty is very bad.Many people get sick because they drink the polluted water.In some rivers the water is so dirty that they can even kill plants.I am worried about it because water is important to all living things.Man can not live without water.I hope people pay more attention to this problem especial

10、ly the government.We should fight against the water pollution.We should try to prevent the water pollution of as early as possible.Harmful things must be stopped from throwing into the water.To protect water is to protect life.I wish it is not a dream that in the near future we can have clean rivers

11、 again.Noise Pollution In modern cities there are noises everywhere.But people seem to get used to these noises.They do not take much notice to these unpleasant sounds around them.Therefore,people never believe these sounds will be a serious problem.However,they are wrong.In fact,Noise negatively af

12、fects human health and well-being.Problems related to noise include hearing loss,stress,high blood pressure,sleep loss,distraction and lost productivity,and a general reduction in the quality of life and opportunities for tranquility.Noise can do great harm to both peoples physical and psychological

13、 health.Staying in a noisy circumstance for too long will not only damage peoples hearing but also cause discomfort of their bodies.And also they will feel nervous and lose their temper easily.Since noise is a serious problem,measures must be taken to control it.Laws and regulations should be passed to reduce the noises in the city.Only in this way can noise pollution be brought under control.