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The first time Congress dealt with any issue pertaining to unclean air was in 1955. Prior to that, states had passed their own legislation dealing with the problems of impure air… most of it excess smoke from burning fields and clearing forests. But as industry and our nation grew, more people and more land were exposed to dirty air emissions from industrial smokestacks and automobile exhaust.
國(guó)會(huì)處理關(guān)于空氣污染的問(wèn)題始于1955年。在此之前，各州自己制定法律，用以解決空氣污染問(wèn)題。過(guò)量的煙霧大多產(chǎn)生于田地燃燒和森林砍伐。但隨著工業(yè)發(fā)展，國(guó)力增強(qiáng)，越來(lái)越多的人和土地暴露在工業(yè)煙囪和汽車排放的污濁空氣中。
By the 1960s, environmental issues had become a public concern, as scientific studies linked air pollution to specific health issues. The Clean Air Act of 1963 marked the beginning of federally funded air quality research programs to deal with increasing amounts of smog. Two years later, it was amended to include cars as a source of pollution. The Clean Air Act of 1970, the year the EPA was established, was even more robust, and subsequent amendments in 1977 and 1990 addressed ozone depletion and acid rain.
到1960年，環(huán)境問(wèn)題備受公眾關(guān)注，科學(xué)研究也將空氣污染與具體的健康問(wèn)題聯(lián)系起來(lái)。1963年的空氣潔凈法令成為聯(lián)邦政府提供資助，進(jìn)行空氣質(zhì)量研究以處理日益增加的煙霧的開(kāi)端。兩年后，這項(xiàng)法案的修正案將汽車納入污染源范疇。環(huán)保署成立那年頒布的1970年空氣潔凈法令內(nèi)容更加充實(shí)。1977以及1990年的后繼修正案中重點(diǎn)提到了臭氧層破壞和酸雨的危害。
Enforcing clean air standards has helped control pollution and reduce health hazards over the years, but the process of improving and amending this Act to keep our air clean is on—going, as the costs to industry must be weighed against the benefits to the environment. The Clean Air Act—one of the most complex and extensive pieces of federal environmental legislation—remains very much a work in progress.
近年來(lái)，潔凈空氣法規(guī)的實(shí)行在控制污染和減少對(duì)人類健康的危害方面起到促進(jìn)作用。然而，改進(jìn)、修訂這條法令的進(jìn)程還在繼續(xù)，因?yàn)榱己铆h(huán)境帶來(lái)的好處必須要與工業(yè)的損失相抗衡。作為聯(lián)邦環(huán)境法律中最復(fù)雜，范圍最廣的條例，空氣潔凈法令還在如火如荼地進(jìn)行著。
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