Traffic jam is a growing problem in our cities and it is becoming more and more serious the city' s developing.As a result of traffic
growing,the city’' s pollution is growing,too.And in the for in some
point,we can say it is a big soruce of pollution in cities.
The steam Cars play an important role in modern society.But they are also responsible for a good part of air pollution in big cities.The carbon dioxide is the outcome of transportation and it seriously cause the greenhouse effect.
As we know,the sulfur dioxide and nitric oxide are also making by cars.And this two kinds of gas play more important role in city pollution.For people, especially children and elderly people, with breathing problems, polluted air can be very harmful, sometimes even fatal.汽车it
In a word ,when you enjoy all the conveniences that the city has to offer, you are paying a pri
ce also because the city is more polluted and crowded.And we have to say traffic is a bigsource of pollution in cities.
发布评论