ABSTRACT
The wind sighed through the fir boughs and the afternoon was redolent with the smell of tree-perfumed air. A misty pall hung over the swamp as the blackness lowered over the forest and the swamp took on an eerie, forbidding, spectral quality with the coming of night. The cat continued slowly, inexorably up the steep slope of the stony ridge. The cat continued her climb and finally reached the summit. The ambient temperature continued to rise, even now that it was dark, night. The standard answer might be “Atmospheric air pollution is the contamination of the atmosphere with the harmful by-products of human activity.” Air pollutants can be classified as either primary or secondary. Primary air pollutants are made up of constituents emitted directly into the air from a stationary source such as factory smoke stack. Industrial processes and miscellaneous sources contribute about 6% each, while solid waste disposal accounts for about 2%.
