Effects_of_cars_on_our_life-汽車(chē)對(duì)人類(lèi)生活的影響.ppt

1、Effects of cars on our life,2,Solutions,Conclusion,Contents,Negative effects of cars on our life,Introduction,3,1 Introduction,The emergence of the car has brought people much convenience, such as changing the ways of humans traveling, broadening peoples life space , pulling close the distance betwe

2、en each corner of the world, so that our world has been becoming a global village, in which peoples lives are more efficient and convenient at the same time.,However, Is it means that there is no harm with the car? Obviously , the answer is no.,4,2 Negative effects of cars on our life,Tail gas pollu

3、tion,consumption of energy,peoples sluggishness,Traffic jams,Traffic accidents,Negative effects,5,2.1 Tail gas pollution,Tail gas of cars contains a lot of harmful substances, such as carbon monoxide, nitrogen oxides, hydrocarbons, etc. Tail gas produced by cars has a serious effect on airs and furt

4、her threats our health .,6,2.2 Consumption of energy,It needs to consume large amounts of natural resources to make cars, including iron, steel, and plastics that are difficult to recycle. In addition, the operation of the car used to spend a lot of oil, There are some transportation datas showed th

5、at more than half of the worlds oil are used for transportation.However ,our country is still in the trouble of the lack of oil resources ,rapid growth of car use cause great energy pressure.,7,2.3 Traffic accidents,Car is a kind of high-speed traffic tools.however, high speed means high risk, which

6、 may be the primary cause leading to the maximum number of human deaths in the world. The report show that about millions of people suffer from accident each year, our life is threatened, many families suffered grief.,8,2.4 Traffic jams,The road construction can not keep up with the fast growth rate

7、 of cars , which cause serious congestion in big cites. We can see that many cars move slowly at the commuting peak , even wait in the road for many hours,which greatly reduce the efficiency of social production and cause the waste of resources.,9,2.5 Increasing peoples sluggishness,The convenience

8、of cars also let people get into the habit of pursuing comfort. Under the easy and comfortable condition, people are inclined to reduce the basic exercise, thus peoples physical health is sharply falling.,10,3 Solutions,Controling the number of cars,Exploiting alternative and renewable energy,Cracki

9、ng down on traffic offence and improving infrastructure construction,Encouraging people to live a green lifestyle by bike or on foot,11,4 Conclusion,Every coin has two sides in the world, the car is the same. Car is an essential means of transportation in this high pace of social life, but when we enjoy convenience brought by cars,we also need to consider the negative consequences of it. To maximizing the benefici