GRE作文是美国所有作文考试质量要求较高的，改革后的GRE考试在写作上要求更具体一些。我们在GRE写作的时候，平时也要注意大量素材的积累，以下是GRE作文备考资料大集合。
3 经济对环境的影响
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.
4 人们对科技对环境危害的严重性认识不足
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.
6 WTO与环境
Another WTO ruling that produced harm to the environment is the Marine Mammal Protection Act; specifically the provision that protects dolphins from being slaughtered by tuna fisherman, was found disagreeable. Ultimately, these authorized rules will determine whether the United States can prevent Great Lake water from being sold to the highest bidder or whether nations can reject imported shrimp caught in nets that catch and drown endangered sea turtles. Soon, we can expect challenges against American laws controlling pesticide use, protecting community water rights, and banning raw log exports, which save both forests and processing jobs. Not only are these ruling made upon the United States, but also in other countries worldwide. In Japan, the WTO ruled against them for refusing imports of fruit products that carry dangerous invasive species. Thus, because of these harsh rulings made by the WTO on several environmental acts, many nations are now frightened to contradict the corporations. By not proposing anymore health laws against these corporations, the environment could get worse year by year. This also gave advantages to the corporations, since this help them escape from democratic laws that regulate their activities.
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