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Air Pollution
Part 1 of Paper
....products that can endanger human health and the health and welfare of plants
and animals, or can attack materials, reduce visibility, or produce undesirable
odors. Among air pollutants emitted by natural sources, only the radioactive
gas radon is recognized as a major health threat. A byproduct of the
radioactive dec.... Part 2 of Paper
....xides under the
influence of sunlight. Ozone has also caused serious crop damage. On the other
hand, the discovery in the 1980s that air pollutants such as fluorocarbons are
causing a loss of ozone from the earth's protective ozone layer has caused the
phasing out of these materials.
Current information about the problem
The tall smokestacks used by industries an utilities do not remove
pollutants but simply boost them higher into the atmosphere, thereby reducing
their concentration at the .... |
| Number of words: 726 - Approximate pages: 3 |
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