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When you were trying to figure out what to buy for the environmentalist on your holiday list, fur probably didn’t cross your mind. But some ecologists and fashion enthusiast are trying to bring back the market for fur made from nutria. 当你想给环保人士的假日购物清单增加些什么时，你可能不会想到皮毛。但是一些生态学家和时尚发烧友们正试图恢复海狸鼠皮毛的市场。 Unusual fashion shows in New Orleans and Brooklyn have showcased nutria fur made into clothes in different styles. “It sounds crazy to talk about guilt-free fur – unless you understand that the nutria are destroying vast wetlands every year,” says Cree McCree, project director of Righteous Fur. 新奥尔良和布鲁克林的不同寻常时装秀展示了海狸鼠皮毛制成的不同风格的服装。“谈论没有罪恶感的皮毛听起来很疯狂——除非你知道海狸鼠每年都在破坏大片湿地，”Righteous Fur（正义皮毛）项目总监克里·麦克里说。 Scientists in Louisiana were so concerned that they decided to pay hunters $5 a tail. Some of the fur ends up in the fashion shows like the one in Brooklyn last month. 路易斯安那州的科学家非常担心，他们决定付给猎人每尾5美元。一些皮毛最终出现在时装秀上，比如上个月布鲁克林的时装秀。 Nutria were brought there from Argentina by fur farmers and let go into the wild. “The ecosystem down there can’t handle this non-native species. It’s destroying the environment. It’s them or us,” says Michael Massimi, an expert in this field. 海狸鼠是皮毛农场主从阿根廷带到这里并放生的。“那里的生态系统无法应对这种非本土物种，它正在破坏环境”，这一领域的专家迈克尔·马西米说。 The fur trade kept nutria in check for decades, but when the market for nutria collapsed in the late 1980s, the cat-sized animals multiplied like crazy. 几十年来，皮毛贸易一直控制着海狸鼠数量，但是20世纪80年代末海狸鼠市场崩溃后，这些猫一样大小的动物疯狂繁殖。 Biologist Edmond Mouton runs the nutria control program for Louisiana. He says it’s not easy to convince people that people that nutria fur is green, but he has no doubt about it. Hunters bring in more than 300,000 nutria tails a year, so part of Mouton’s job these days is trying to promote fur. 生物学家埃德蒙·莫顿负责路易斯安那州的海狸鼠控制。他说要让人们相信海狸鼠皮是绿色的并不容易，但他对此毫无疑问。猎人们每年带来超过30万条海狸鼠尾巴，所以莫顿现在的部分工作就是推广皮毛。 Then there’s Righteous Fur and its unusual fashions. Model Paige Morgan says,“To give people a guilt-free option that they can wear without someone throwing paint on them – I think that’s going to be a massive thing, at least here in New York.” Designer Jennifer Anderson admits it took her a while to come around to the opinion that using nutria fur for her creations is morally acceptable. She’s trying to come up with a label to attach to nutria fashions to show it is eco-friendly. 还有Righteous Fur和它不同寻常的时尚。模特佩奇·摩根说，“给人们一个没有罪恶感的选择，让他们可以穿着，而不用被人往身上泼油漆——我认为这将是一件大事，至少在纽约是这样。”设计师詹妮弗·安德森承认，她花了一段时间才意识到，用海狸鼠皮制作作品在道德上是可以接受的。她正尝试给海狸鼠时尚贴上环保标签。
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Race walking shares many fitness benefits with running, research shows, while most likely contributing to fewer injuries. It does, however, have its own problem. 研究表明，竞走和跑步一样，有许多健身益处，但造成的伤害可能最小。不过，它也有自己的问题。 Race walkers are conditioned athletes. The longest track and field event at the Summer Olympics is the 50-kilometer race walk, which is about five miles longer than the marathon. But the sport’s rules require that a race walker’s knees stay straight through most of the leg swing and one foot remain in contact with the ground at all times. It’s this strange form that makes race walking such an attractive activity, however, says Jaclyn Norberg, an assistant professor of exercise science at Salem State University in Salem, Mass. 成为竞走运动员是有条件的。夏季奥运会最长的田径项目是50公里竞走，比马拉松长约5英里。这项运动的规则要求竞走者在摆动腿的大部分时间里膝盖保持笔直，一只脚与地面始终保持接触。然而，马萨诸塞州塞勒姆州立大学运动科学助理教授杰克琳•诺伯格说，正是奇怪形式使竞走成为非常吸引人的活动。 Like running, race walking is physically demanding, she says, According to most calculations, race walkers moving at a pace of six miles per hour would burn about 800 calories per hour, which is approximately twice as many as they would burn walking, although fewer than running, which would probably burn about 1,000 or more calories per hour. 她说，和跑步一样，竞走对身体的要求也很高，根据大多数计算结果，每小时6英里的速度行走的竞走者每小时大约消耗800卡路里，大约是他们步行消耗热量的两倍，尽管比跑步少，跑步每小时可能消耗1000以上卡路里。 However, race walking does not pound the body as much as running does, Dr. Norberg says. According to her research, runners hit the ground with as much as four times their body weight per step, while race walkers, who do not leave the ground, create only about 1.4 times their body weight with each step. 然而，诺伯格博士说，竞走对身体的冲击不如跑步。根据她的研究，跑步者撞击地面的重量是他们体重的四倍，而不离开地面的竞走者每踏一步的重量只有体重的1.4倍。 As a result, she says, some of the injuries associated with running, such as runner’s knee, are uncommon among race walkers. But the sport’s strange form does place considerable stress on the ankles and hips, so people with a history of such injuries might want to be cautious in adopting the sport. In fact, anyone wishing to try race walking should probably first consult a coach or experienced racer to learn proper technique, she says. It takes some practice. 因此，她说，一些与跑步有关的损伤，比如跑步者的膝盖，在竞走者中并不常见。但这项运动的奇怪形式确实给脚踝和臀部带来了相当大的压力，因此有过这类损伤史的人在采用这项运动时可能需要谨慎。她说，事实上，任何想尝试竞走的人都应该先咨询教练或有经验的竞走者，学习正确的技术。这需要一些练习。
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