Man and His Environment
Throughout history man has changed his physical environment in order to improve his way of life. With the tools of technology he has altered many physical features of the earth. He has transformed woodlands and prairies into farms and made lakes and reserviors out of rivers for irrigation purposes or hydroelectric power. Man has also modified the face of the earth by draining marshes and cutting through mountains to build roads and railways. However, man's changes to the physical environment have not always had beneficial results. Today, pollution of the air and water is an increasing danger to the health of the planet. Each day thousands of tons of gases come out of the exhausts of motor vehicles. Smoke from factories pollutes the air of industrialized areas and the surrounding areas of the countryside. The pollution of water is equally harmful. The whole ecological balance of the sea is being changed and industrial wastes have already made many rivers lifeless. Now environmental protection is more pressing than ever before. As we know, massive destruction of environment has brought about negative effects and even poses a great threat to man's existence. Indifference to these problems will mean committing suicide. Therefore, effective measures should be taken and laws passed to conserve environment. Otherwise,man is certain to suffer from the serious consequences caused by this lack of care for his living surroundings.
标题：人与环境
内容：人类和环境的整个历史的人改变了他的身体的环境，以改善自己的生活方式。随着技术手段，他改变了地球的许多物理特性。他已经变成了农场，林地和草原和湖泊和灌溉的目的或水力发电的河流储层内。曼还修改并通过引流沼泽山区切割修建道路和铁路的地球表面。然而，人的改变自然环境并不总是有益的结果了。今天，污染空气和水是越来越危险的地球的健康。吨的气体，每天来的机动车辆的废气出数以千计。工厂烟雾污染了空气的工业化地区和农村周边地区。水的污染也同样有害。整个海洋生态平衡正在改变，工业废料已作出许多河流死气沉沉。现在，环保更比以往任何时候都迫切。正如我们所知，大规模破坏环境带来负面影响，甚至造成巨大威胁人类的生存。漠视这些问题将意味着自杀。因此，有效的措施，并应采取通过的法律保护环境。否则，人肯定会受到来自本的照顾他的生活环境而导致的严重后果。
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