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留学生作业代写:Air pollution

2017-11-15 来源: 51due教员组 类别: Essay范文

下面为大家整理一篇优秀的essay代写范文- Air pollution,供大家参考学习,这篇论文讨论了空气污染。随着空气污染的问题越来越严重,全球变暖和臭氧层被破坏等问题也加剧了。如果全球变暖持续下去,将导致许多不良影响。冬天会更短,更寒冷,夏季将是炎热和干燥。更糟的是,全球变暖将导致海平面上升,很多城市面临被淹没。而没有臭氧层的保护,我们也将受到很多辐射的危害。

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Environment

The bad effect of air pollution is especially striking on the environment. Recent years, we have heard many familiar problems such as global warming and ozone depletion. If global warming continues, it will results to many bad effects. Winter will be shorter and colder, summer will be hotter and drier.

Less rainfall would change the distribution and grow of plants and animals. Many precious species has already died out, and another great numbers are on the age of extinction. What’s worse, global warming will cause the rise of sea level. Almost one third of world population living beside the sea will be in danger.

The depletion of ozone also contributes to the endangerment of specious. And without the protection of ozone, more and more harmful radiation will penetrates through the cloud and reach to the earth. (WHO and UNEP, 2011) These two phenomena make an interaction with each other, further polluting the environment.

Conclusion

Prevention and control of air pollution is a huge systematic project. It needs private, collective, national and even global efforts. Government should invest more money to developing and utilize new energies.

At present, the major fuels are coal and oil. Both these fuels generates many polluting substances. Individuals can do small things from the beginning to protect the environment. All in all, people have realized that the world may come to an end in the near future unless we chose the path of a sustainable development.  

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