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Published byBartholomew Hampton Modified over 9 years ago
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Section 4.4 of textbook (pp. 113 – 116)
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The United States comprises 6% of the world’s population… But uses about 30% of the world’s resources And produces about 1 / 3 of the world’s garbage
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Careful use of resources
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point source pollution Requires industries to reduce or eliminate point source pollution into surface waters. sewage treatment plants Led to an increase in the number of sewage treatment plants which eliminated the discharge of raw sewage.
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NAAQS for 6 pollutants (carbon monoxide, ozone, lead, sulfur dioxide, nitrogen oxides, and particulates) Energy conservation is an important air pollution control strategy.
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farmers plow across the contours of hillsides, resulting in decreased water runoff Contour plowing: farmers plow across the contours of hillsides, resulting in decreased water runoff crops with different nutrient requirements are planted in adjacent rows, helping preserve the fertility of soil Strip cropping: crops with different nutrient requirements are planted in adjacent rows, helping preserve the fertility of soil
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partly decomposed organic material that is used as fertilizer Compost: partly decomposed organic material that is used as fertilizer uses natural predators or mechanical processes to decrease the number of pests Integrated Pest Management: uses natural predators or mechanical processes to decrease the number of pests
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Decreased the illegal and unsafe dumping of hazardous waste Companies must store, transport, and dispose of hazardous waste according to strict guidelines
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