2017年1月21日SAT写作原文回忆

　　2017年1月21日SAT写作真题重复2016年6月4日北美卷，选自美国前夫人Laura Bush的“A New Wave of National Parks”,是一篇环保话题的文章，下面就分享2017年1月21日SAT写作真题原文。

　　文章原文：

　　1、Our first national park was named not after a mountain or forest but for a mighty river: Yellowstone. For centuries, the world’s waters have connected us. Explorers, traders, scientists and fishermen have traveled our oceans and rivers in search of new resources and a greater understanding of the world. This Wednesday, as we mark World Oceans Day, we must intensify our efforts to better understand, manage and conserve our waters and marine habitats if they are to remain a vibrant source of life for future generations.

　　2、Great progress has been made in protecting our environment over the past several decades, but too little of that progress addresses 70% of the world’s surface—our oceans. Less than one-half of 1% of the world’s oceans are protected in ways that will ensure they stay wild. Too often overharvesting depletes what should be a lasting bounty of fish. In some parts of the oceans today up to 90% of large fish are gone from natural ecosystems.

　　3、Our oceans are also where much of our trash and pollution end up. Plastics and other pollutants difficult to break down are killing fish, turtles and birds. Currents in the Pacific have created a plastic garbage dump twice the size of Texas. A few years ago, I visited Midway Island in the middle of the Pacific Ocean and was shocked to find debris killing birds that could not distinguish between plastic refuse and squid.

　　4、We are at risk of permanently losing vital marine resources and harming our quality of life. Overfishing and degrading our ocean waters damages the habitats needed to sustain diverse marine populations.Perhaps the most vital function our oceans serve is that of climate regulator — they produce oxygen, reduce pollution, and remove carbon dioxide. If we don’t protect our oceans, we could witness the destruction of some of the world’s most beautiful and important natural resources.

　　5、Fortunately, Yellowstone offers a blue print for protecting our oceans. President Ulysses S. Grant created Yellowstone National Park in 1872 at a time when large wild areas on the frontier were at risk. The founding of Yellowstone sparked a 50-year period during which many of the national parks we enjoy today were created. Our country began to see the value of setting aside large territories that would remain wild forever. Our national parks play an outsized role in maintaining healthy and diverse wildlife populations far beyond their boundaries. Many of the elk, deer and wolves seen throughout Western states trace their lineage to populations in Yellowstone.

　　6、In the early 1970s, the U..S. established a modest program to conserve some of its most important marine areas, called the National Marine Sanctuary System. In June 2006 and again in January 2009, the U.S. expanded the concept of parkland and wilderness preserves in the sea when President Bush designated four marine national monuments in the Pacific Ocean.

　　7、The first of these, the Marine National Monument, encompasses a 100-mile wide area of nearly pristine habitat northwest of Honolulu, Hawaii, and was named a Unesco World Heritage site in 2010. A second area, the Marianas Trench Marine National Monument, includes the world’s deepest canyon and is home to some of the oldest and most resilient forms of life on the planet. The other two monuments are the Pacific Remote Islands dispersed through out the Pacific Ocean and the Rose Atoll in American Samoa.

　　8、These four monuments cover more than 330,000 square miles and add up to the largest fully protected marine area in the world, larger than all of our national parks and wildlife refuges combined.They support vast numbers of fish, breathtakingly beautiful coral habitat, and a remarkable abundance of sharks—often seen as markers of an ecosystem’s health.

　　9、In the coming years, protecting our oceans will be even more important. Nearly half of the world’s population lives within 60 miles of an ocean, and that percentage will rise as more people settle in coastal communities. Today there are few waters outside the reach of human exploitation. Our wild ocean frontiers are disappearing and, like we did with Yellowstone, it is up to us to conserve the most important wild areas that remain. Doing so will preserve something that is all too easy to destroy but impossible to replace: natural, undisturbed incubators of life.

　　文章脉络

　　这篇source text的行文比较清晰利落。如果将文章的脉络梳理下来，可考虑这样划分。Para1为比较常规的introduction部分：引入主题，谈论背景吸引注意力，表明态度。接下来，作者阐述本话题论证的必要性——Para2-4表明海洋面积大、得到保护有缺失、海洋对自然系统的重要性。倒数第二部分，画风一转，强调海洋目前得到的保护正在进步中，列举四项里程碑事件及保护区的成立。最后的一部分，进行升华和深化——一方面强调，这是世界范围内共同致力的事业，“great minds think alike”;另一方面，呼吁不该止步于此，虽然保护在进行，但是海洋生态环境受到威胁的可能性也并没有随之减弱。

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