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GRE寫作Issue部分精品素材分享之環保論的概念

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想要在GRE作文部分的考試中寫出優秀的文章,論據素材是重要的一環。好的論據不僅能幫助你支撐觀點,加強說服力,還能體現出考生在閱讀量上的積累和深厚扎實的語言功底基礎。特別是ISSUE作文,更是需要大量好素材作為儲備,才能保證考生無論遭遇那種題目,都能游刃有余地完成一篇高分作文的寫作。小編為大家整理了GRE ISSUE作文各類題目的精品優質素材,一起來看吧。


環保論的概念

Environmentalism is a concern for the preservation, restoration, or improvement of the natural environment, such as the conservation of natural resources, prevention of pollution, and certain land use actions. It often supports the struggles of indigenous peoples against the spread of globalization to their way of life, which is seen as less harmful to the environment. The study of practical environmentalism is split into two positions: the mainstream “anthropocentric” or hierarchic, and the more radical “ecocentric” or egalitarian.

技術對環境的影響既明顯又細微

The effects of technology on the environment are both obvious and subtle. The more obvious effects include the depletion of nonrenewable natural resources (such as petroleum, coal, ores), and the added pollution of air, water, and land. The more subtle effects include debates over long-term effects (e.g., global warming, deforestation, natural habitat destruction and coastal wetland loss).

Each wave of technology creates a set of waste previously unknown by humans: toxic waste, radioactive waste, electronic waste.

One of the main problems is the lack of an effective way to remove these pollutants on a large

scale expediently. In nature, organisms “recycle” the wastes of other organisms, for example, plants produce oxygen as a by-product of photosynthesis, oxygen-breathing organisms use oxygen to metabolize food, producing carbon dioxide as a by-product, which plants use in a process to make sugar, with oxygen as a waste in the first place. No such mechanism exists for the removal of technological wastes.

Humanity at the moment may be compared to a colony of bacteria in a Petri dish with a constant food supply: with no way to remove the wastes of their metabolism, the bacteria eventually poison themselves.

經濟對環境的影響

Nearly all of the postwar technologies which have caused large-scale pollution were developed and put into use in the capitalist countries first; then, driven by profit maximization and market domination, these same technologies were sold to socialist countries. Intrinsic greed of the capitalism system is really then more of a threat to the environment than other political systems.

economic growth and a cleaner environment are not mutually exclusive. The question of how to improve the environment while still enabling balanced or sustained economic growth remains. This balance is possible, if we carefully plan ways to use available technology to spur economic growth and solve ecological problems at the same time. The current method of controlling emissions of toxic substances antagonizes incorrect beliefs that ecology and economy are mutually exclusive elements. The main reason for an increase in pollution is due to postwar changes in the technology of production. For example, our refuse piles have dramatically increased due to an increase in disposable goods; synthetic products are used in place of natural, decomposable ones; and the amount of energy and fuel has increased dramatically to produce goods. A shift towards decomposable goods would continue economic growth, decrease garbage growth.

人們對科技對環境危害的嚴重性認識不足

Whether it is through intensified media attention, or due to the efforts of prominent scientists and other members of society, we have become increasingly aware of the detrimental effects that technological advances in industry and agriculture have on the global environment.

However, as Carl Sagan points out in Pulling the Plug on Mother Earth, awareness is not enough, nor is society?s response to the catastrophic implications of environmental pollution rapid enough. Slowness to implement sound strategies are in part due to the fact that the threats we face are nebulous, since they come in the form of particles of invisible gases and radioactivity, and in part because response to pollution appears to be so costly at individual, governmental and corporate levels. It appears that great material loss, as well as visual manifestation, has been the only ways to galvanize action towards altering and limiting technologies so that adverse chemicals and substances are no longer belched into the environment.

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