Acid rain is pollution Essay

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Acid rain is a common term for pollution caused when sulfur and nitrogen dioxides combine with atmospheric moisture to produce a rain, snow, or hail of sulfuric and nitric acids. Such pollution may also be suspended in a fog, or the pollutants may be deposited in dry form. Environmental damage from acid rain has been reported in northern Europe and North America. High levels of acid rain have also been detected in other areas of the world, such as above the tropical rain forest of Africa. Acid rain has destroyed plant and animal life in lakes, damaged forests and crops, endangered marine life in coastal waters, eroded structures, and contaminated drinking water.

Research has shown that although some of the damage attributed to acid rain
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Scientists agree that acid rain is harmful, but reports concerning its severity conflict. A U.S. government report issued in September 1987 minimized the environmental damage caused by acid rain and concluded that the acid-rain problem is not increasing.

A 1988 survey conducted by the Environmental Protection Agency, however, indicated that streams in the eastern United States were more acidic than was previously believed. In 1990 the National Acid Precipitation Assessment Program (NAPAP), created by Congress in 1980, issued a report on the results of its study. The report indicated that acidic waters also occur in the southern and midwestern United States, but downplayed acid-rain damage to forests. Many scientists urge that measures to control acid rain begin immediately. The most direct action would be to cut off pollution at the source.

Regulations require that new coal-burning plants must install expensive scrubbers in their smokestacks to remove most of the dioxides (see POLLUTION CONTROL). Other possible measures include burning only low-sulfur oil or coal, or removing the sulfur from coal with high sulfur content. Amendments have been proposed to the 1970 Clean Air Act that are designed to reduce sulfur and nitrogen emissions. The costs of such measures are considerable, however, and who should pay them continues to arouse controversy.

Bibliography: Bubenick, D.
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