英语考试作文-GRE写作Issue部分精品素材分享之保护生态学

1、文档编码 : CF9D9W9V3Y7 HT9K5I7H7U8 ZQ9T2K9M7N3英语考试作文GRE写作 Issue 部分精品素材共享之爱惜生态学在 GRE作文部分的考试中写出优秀的文章,论据素材是重要的一环； 好的论据不仅能帮忙你支撑观点,加强说服力,仍能表达出考生在阅读量上的积存和深厚扎实的语言功底基础；特别是 ISSUE作文,更是需要大量好素材作为储备,才能保证考生无论遭受那种题目, 都能游刃有余地完成一篇高分作文的写作；为大家整理了 GRE ISSUE作文各类题目的精品优质素材,一起来看吧；美国政府的环保政策The government .s environmental progra

2、ms are working well, according to EPA administrator William K. Reilly in the Green Thumb of Capitalism: The Environmental Benefits of Sustainable Growth. Solid governmental programs have been developed for the improvement of the environment, indicates Reilly; several situations quantify its success.

3、 According to Reilly, the government is creating adequate market incentives to curb pollution, encourage energy efficiency and waste reduction through low-cost programs, in conjunction with the private sector. To his credit, Reilly cites some powerful programs which may make at least short-term envi

4、ronmental and economic success: bioremediation, telecommuting, curtailing emissions and reusing resources. However, Reilly seems to follow a predictable governmental pattern to avoid discussion of the savored trucking and nuclear industries industries with notoriously powerful lobbying abilities, am

5、ong others. Rather, he focuses on the aftermath of the Exxon-Valdez cleanup catastrophe. It is not only curious that a catastrophe could be listed as a success in the larger scheme of environmental issues, it also does not address the aspect of making a corporation more accountable for its failures,

6、 or even discuss what changes have been made in the oil industry to prevent such catastrophes from occurring again. Additionally, the idea that accounting for the national well-being be measured by some other bean-counting system besides the GNP and NNP really avoids considerations of common sense.

7、For example, if discontinuing usage of CFCs will enable the restoration of the ozone layer, it follows that proper policy-making would include the discontinuance of CFCs. Bean-counting does not provide for this logical relationship. Reilly espouses the thought that capitalism is not a threat to the

8、environment; he indicates that its mechanisms actually encourage decisions that respect environmental values. He evidences that the situation in the United States is exemplary in comparison to third-world counties in South America and in the former USSR. 爱惜生态学的概念Conservation biology, or conservation

9、 ecology, is the science of analyzing and protecting Earth.s biological diversity. Conservation biology draws from the biological, physical and social sciences, economics, and the practice of natural-resource management. Conservation ecology addresses population dynamics issues associated with the s

10、mall population sizes of rare species e.g., minimum viable populations. The term “ conservation biology ” refers to the application of science to the conservation of genes, populations, species, and ecosystems. Conservation biology is the scientific study of the phenomena that affect the maintenance

11、, loss, and restoration of biological diversity. For the history of biodiversity conservation and volunteer activity, see conservation movement. 爱惜生态学的历史In the 19th century actions in the United Kingdom, the United States and certain other western countries emphasized the protection of habitat areas

12、 pursuant to visions of such people as John Muir and Theodore Roosevelt. It was not until the mid-20th century did efforts arise to target individual species for conservation, notably efforts in big cat conservation in South America led by the New York Zoological Society. By the 1970s, led primarily by work in the United States under the Endangered Species Act along with Biodiversity Action Plans developed in Australia, Sweden, the United Kingdom, hundreds of specific species protecti