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.
【參考譯文】
人與環境
縱觀歷史，人類為了改善生活方式而改變了自己的物質環境。借助于技術工具，他改變了地球的許多物理特征。他將林地和草原改造成農田和河流湖泊和水庫，用于灌溉和水力發電。人類還通過排水沼澤和切割山脈來修建土地和鐵路來改變地球的面貌。
然而，人類對物質環境的改變并不總是有益的.。今天，空氣和水的污染對地球的健康構成了越來越大的威脅。每天機動車排放出成千上萬噸的氣體。工廠的煙霧污染了工業區和周邊地區的空氣。水的污染同樣有害。整個海洋生態平衡正在發生變化，工業廢水已經使許多河流失去活力。
現在環境保護比以往任何時候都更加緊迫。我們知道，大規模的環境破壞帶來了負面影響，甚至對人類的生存構成了巨大威脅。對這些問題漠不關心意味著自殺。因此，應該采取有效的措施，通過法律來保護環境。否則，人類肯定會因缺乏對生活環境的關懷而造成的嚴重后果。
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