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区分原则可以被称为理性环保主义的至高原则。它规定，对那些直接威胁人类健康与安全的生态变化采取应对措施是环境保护的必需品，而其他则都属于奢侈品。
For example, preserving the atmosphere - stopping ozone depletion and the greenhouse effect - is an environmental necessity. Recently, scientists reported that ozone damage is far worse than previously thought. Ozone depletion has a correlation not only with skin cancer and eye problems, it also destroys the ocean's ecology, the beginning of the food chain atop which we humans sit.
例如，保护大气层——阻止臭氧损耗及控制温室效应——是环境保护的必需品。近来，科学家报告说臭氧层遭受破坏的程度远比我们先前认为的要严重得多 。臭氧损耗不仅与皮肤癌及眼疾有关，而且它还会破坏海洋生态。而海洋生态是食物链的起点，人类则位于该食物链的顶端。
The possible thermal consequences of the greenhouse effect are far deadlier: melting ice caps, flooded coastlines, disrupted climate, dry plains and, ultimately, empty breadbaskets. The American Midwest feeds people at all corners of the atlas. With the planetary climate changes, are we prepared to see Iowa take on New Mexico's desert climate, or Siberia take on Iowa's moderate climate?
温室效应所可能引发的热效应是非常具有毁灭性的：冰川融化、海岸线被淹没、气候遭受破坏、平原干涸，最终食物消失殆尽。美国中西部地区的粮食供养着全世界。随着全球气候的变化，我们难道准备看到衣阿华州变成新墨西哥州的沙漠气候，而西伯利亚变成衣阿华州的温和气候吗？
Ozone depletion and the greenhouse effect are human disasters, and they are urgent because they directly threaten humanity and are not easily reversible. A sane environmentalism, the only kind of environmentalism that will strike a chord with the general public, begins by openly declaring that nature is here to serve human beings. A sane environmentalism is entirely a human focused regime: It calls upon humanity to preserve nature, but merely within the parameters of self-survival.
臭氧损耗和温室效应是人类的灾难，而且是需要紧急处理的灾难，因为它们直接威胁到人类，且后果很难扭转。理性环保主义——唯一能够引起公众共鸣的环保主张——首先公开声明，自然是服务于人类的。理性环保主义是一种完全以人类为中心的思想。它号召人类保护自然，但是是在人类自我生存得到保证的前提之下。
Of course, this human focus runs against the grain of a contemporary environmentalism that indulges in overt earth worship. Some people even allege that the earth is a living organism. This kind of environmentalism likes to consider itself spiritual. It is nothing more than sentimental. It takes, for example, a highly selective view of the kindness of nature, one that is incompatible with the reality of natural disasters. My nature worship stops with the twister that came through Kansas or the dreadful rains in Bangladesh that eradicated whole villages and left millions homeless.
当然，这种以人类为中心的主张与当下盛行的环保主义是格格不入的，后者已经沉溺于对地球的公然崇拜。
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有的人甚至声称地球是一个活的生物体。这种环保主义喜欢把自己看作是神圣的，其实它只是感情用事而已。比如，在自然是否友善的问题上，当下的环保主义采取了高度选择性的片面的观点，而这种观点与自然造成的灾难这一现实是不相协调的。当龙卷风肆虐堪萨斯州，当瓢泼大雨袭击孟加拉国，毁灭了整座整座的村庄，使几百万人失去家园的时候，我对自然的崇拜便停止了。
A non-sentimental environmentalism is one founded on Protagoras's idea that \establishing the sovereignty of man, such a principle helps us through the dense forest of environmental arguments. Take the current debate raging over oil drilling in a corner of the Arctic National Wildlife Refuge (ANWR). Environmentalist coalitions, mobilizing against a legislative action working its way through the US Congress for the legalization of such exploration, propagate that Americans should be preserving and economizing energy instead of drilling for it. This is a false either-or proposition. The US does need a sizable energy tax to reduce consumption. But it needs more production too. Government estimates indicate a nearly fifty-fifty chance that under the ANWR rests one of the five largest oil fields ever discovered in America. It seems illogical that we are not finding safe ways to drill for oil in the ANWR.
非感情用事的环保主义是建立在普罗泰哥拉的格言“人是万物的尺度”的基础上的。在建立人类权威的过程中，这条原则会帮助我们梳理各种错综复杂的关于环境保护的争议。就以当前关于是否在北极国家野生动物保护区的某一角落开采石油的激烈争论为例吧。环保主义者联盟动员人们反对目前正在试图通过美国国会审议、使这一开采行为变得合法化的一项立法行动。他们散布说美国应该保护并且节约能源而不是开采能源。这其实是一个错误的非此即彼的主张。美国确实需要征收高额的能源税以减少能源消耗，但同时也需要生产更多的能源。政府的估测表明，在北极国家野生动物保护区的地下蕴藏着美国五大油田之一的可能性几乎到达 50%。我们没有寻找安全的方法开采北极国家野生动物保护区地下的石油，这看上去是不符合情理的。
The US has just come through a war fought in part over oil. Energy dependence costs Americans not just dollars but lives. It is a bizarre sentimentalism that would deny oil that is peacefully attainable because it risks disrupting the birthing grounds of Arctic caribou.
美国刚刚经历了一场战争，其部分原因就是为了获取石油。对能源的依赖使美国不但付出了金钱的代价，而且也付出了生命的代价。就因为可能破坏北美驯鹿的繁衍地而放弃能够以和平手段获得的石油，这是一种十分怪异的感情用事。
I like the caribou as much as the next person. And I would be rather sorry if their mating patterns were disturbed. But you can't have your cake and eat it too. And in the standoff of the welfare of caribou versus reducing an oil
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reliance that gets people killed in wars, I choose people over caribou every time.
我像别人一样喜欢驯鹿。如果他们的交配模式受到干扰，我会感到非常遗憾。但是，鱼和熊掌不能兼得。是要保护驯鹿，还是要为了避免人们在战争中丧生而减少对石油的依赖，面对这一僵局，我每次都会选择人类而不是驯鹿。
I feel similarly about the spotted owl in Oregon. I am no enemy of the owl. If it could be preserved at a negligible cost, I would agree that it should be - biodiversity is after all necessary to the ecosystem. But we must remember that not every species is needed to keep that diversity. Sometimes aesthetic aspects of life have to be sacrificed to more fundamental ones. If the cost of preserving the spotted owl is the loss of livelihood for 30,000 logging families, I choose the families (with their saws and chopped timber) over the owl.
我对俄勒冈州的斑点猫头鹰的态度也是一样。我绝不是仇视猫头鹰。如果花很少的代价就可以保护猫头鹰，我会赞同它应受保护——毕竟，生物多样性对生态系统是非常必要的。但是，我们必须记住，保持生物多样性并不意味着要留住每一种物种。有时候，为了更加根本的利益，我们不得不牺牲一部分生活中美的东西。如果为了保护斑点猫头鹰而让三万伐木工家庭失去生计，我会选择伐木工家庭（包括他们的锯子和砍伐的木材），而不是猫头鹰。
11 The important distinction is between those environmental goods that are fundamental and those that are not. Nature is our ward, not our master. It is to be respected and even cultivated. But when humans have to choose between their own well-being and that of nature, nature will have to accommodate.
重要的是，我们要区分哪些东西对环境保护是根本性的，哪些是非根本性的。自然受我们的监护，而不是我们的主人。我们应该尊重自然，也可以开发利用自然。但是，如果人类必须在自身的福利和自然的福利之间作出选择，自然则必须作出让步。
12 Humanity should accommodate only when its fate and that of nature are inseparably bound up. The most urgent maneuver must be undertaken when the very integrity of humanity's habitat, e.g., the atmosphere or the essential geology that sustains the core of the earth, is threatened. When the threat to humanity is lower in the hierarchy of necessity, a more modest accommodation that balances economic against health concerns is in order. But in either case the principle is the same: protect the environment - because it is humanity's environment.
只有当人类的命运与自然的命运密不可分时，人类才应该作出让步。当人类栖息地的完整性（比如大气层或维持地球核心的基本地质状况）受到威胁时，人类就必须立即调整自己的行为。而当人类受到的威胁不大，不太需要对自己的行为进行调整时，恰当的做法是平衡考虑经济方面和与之相对的健康方面的因素，以便作出适度的调整。但是，无论是哪种情况，其遵循的原则是一致的：保护环境，因为这是我们人类的
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环境。
13 The sentimental environmentalists will call this saving nature with a totally wrong frame of mind. Exactly. A sane and intelligible environmentalism does it not for nature's sake but for our own.
感情用事的环保主义者会说这种拯救自然的思路是完全错误的。的确是这样。理性、明确的环保主义保护环境是为了人类自身，而不是为了自然。
Unit3
Fred Smith and FedEx: The vision that changed the world 弗雷德·史密斯与联邦快递：一个改变了世界的创想
Every night several hundred planes bearing a purple, white, and orange design touch down at Memphis Airport, in
Tennessee. What precedes this landing are package pickups from locations all over the United States earlier in the day. Crews unload the planes' cargo of more than half a million parcels and letters. The rectangular packages and envelopes are rapidly reshuffled and sorted according to address, then loaded onto other aircraft, and flown to their destinations to be dispersed by hand - many within 24 hours of leaving their senders. This is the culmination of a dream of Frederick W. Smith, the founder, president, chief executive officer, and chairman of the board of the FedEx Corp. - known originally as Federal Express - the largest and most successful overnight delivery service in the world. Conceived when he was in college and now in its 28th year of operation, Smith's exquisite brainchild has become the standard for door-to-door package delivery.
每天夜晚，在田纳西州的孟菲斯机场，都有几百架带着白、紫、桔色图案的飞机降落。而在每天此前的早些时候，这些飞机都在美国各地收集包裹。工作人员从飞机上卸下的包裹及信件数量超过五十万之巨。长方形的包裹和信封又在这里依据收件地址被迅速整理分拣，然后装载上其他飞机，飞往各自的目的地，在那儿再由人工投递——到这时很多邮件离开寄件人之手还不到 24 小时。这是弗雷德里克·W·史密斯的终极梦想，他就是联邦快递集团（最初为联邦快递）这一全球最大、最成功的隔夜送达服务企业的创始人、总裁、首席执行官及董事会主席。如今，史密斯这一源于大学时代的妙想已在现实中经营到了第 28 个年头，并已成为包裹快递入户行业的标杆。
Recognized as an outstanding entrepreneur with an agreeable and winning personality, Smith is held in high regard by his competitors as well as his employees and stockholders. Fred Smith was just 27 when he founded FedEx. Now, so many years later, he's still the \of the ship\He attributes the success the company simply to leadership, something he deduced from his years in the military, and from his family.
史密斯被公认为是一位和蔼可亲、性格迷人的杰出企业家。无论是他的竞争者、员工，还是他公司股票的持有人，都对他十分敬重。弗雷德·史密斯创建“联邦快递”时只有 27 岁。现在多年过去了，他仍然坐在“掌
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门人”的位置上。他将公司的成功简单地归因于领导力，而这一推论则来自于他的军旅生涯及其家庭的影响。 Frederick Wallace Smith was born into a wealthy family clan on August 11, 1944 in Mississippi. His father died when he was just four years old. As a juvenile, Smith was an invalid, suffering from a disease that left him unable to walk normally. He was picked on by bullies, and he learned to defend himself by swinging at them with his alloy walking stick. Cured of the disease by the age of 10, he became a star athlete in high school, playing football, basketball, and baseball.
弗雷德里克·华莱士·史密斯 1944 年 8 月 11 日出生于密西西比州一个富裕的家族。他四岁时父亲就离世了。史密斯年少时被视为病残者，因为他得了一种病，使他无法正常行走。为此他常遭受坏孩子的侮辱捉弄，他学会了挥舞合金拐杖来保护自己。十岁时他的病治好了，到了高中他则成了学校里的体育明星，足球、篮球、棒球样样能行。
Smith's passion was flying. At 15, he was operating a crop-duster over the skyline of the Mississippi Delta, a terrain so flat that there was little need for radar navigation. As a student at Yale University, he helped revive the Yale flying club; its alumni had populated naval aviation history, including the famous \I. Smith administrated the club's business end and ran a small charter operation in New Haven.
史密斯对飞行充满了激情。15 岁时，他就曾驾驶一架作物喷粉飞机在密西西比三角洲的天际翱翔，三角洲的地形平坦开阔，甚至都不需要雷达导航。在耶鲁大学上学时，他参与重建了耶鲁飞行倶乐部，在美国海军航空史的每个时期都有这一俱乐部出来的校友的身影，包括一战时期著名的“百万富翁飞行队”。史密斯负责管理俱乐部的事务，同时还在纽黑文经营一项小规模的租赁业务。
With his study time disrupted by flying, his academic performance suffered, but Smith never stopped looking for his own \prototype for a transportation company that would guarantee overnight delivery of small, time-sensitive goods, such as replacement parts and medical supplies, to major US regions. The professor wasn't impressed and told Smith he couldn't quantify the idea and clearly it wasn't feasible.
由于飞行打乱了学习时间，他的学业受到了影响，但史密斯从未停止寻找自己的“伟大想法”。在撰写一门经济学课程的学期论文时，他认为自己已经找到了它。他设计了一份运输企业的经营草案，该运输企业可以确保连夜递送小型或时间紧迫的货品到达美国的主要地区，如替换零件、医药用品等等。教授对这篇论文未予重视，他告诉史密斯说，他无法量化他的想法，并说这一想法明显不切合实际。
However, Smith was certain he was onto something, even though several more years elapsed before he could turn his idea into reality. In the interim, he graduated from Yale in 1966, just as America's involvement in the Vietnam War was deepening. Since he was a patriot and had attended officers' training classes, he joined the Marines. 然而，史密斯确信自己已经发现了些什么，尽管又过了好几年他才得以把自己的想法付诸实施。在此期间，
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