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transportation volumes. Such transportation has been dominated by sea-based options. However, over the years, an air-based mode of … international trade and only lately for transit. As a preliminary comparison to air freight, the growth rate was roughly double that …
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of the impact on water, air and soil are pointed out. The results of these studies are presented by charts and diagrams …
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Schwartz and Hayward offer an alternative analysis of air pollution levels, trends, and prospects in metropolitan areas …
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