Pollution Types
- Unlike primary air pollutants(shown above), secondary air pollutants are not emitted directly. Secondary air pollutants are formed by primary air pollutants mixing together. An example of a secondary air pollutant is ozone.
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| Noise Pollution |
Water Pollution
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| Water Pollution |
Impacts on the Environment and Human Health
- Acute effects are reactions that happen shortly after being exposed to a substance. Chronic effects develop over long periods of exposure to a substance and usually are more serious than acute effects.
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| Environmental Risk Analysis |
Economic Impacts
- Cost benefit analysis:Used to determine if the cost of different alternatives have benefits that outweigh the costs.
- Externalities:A result of an industrial or commercial activity that affects others but is not reflected in the costs of the services involved.
- Marginal Costs:The change in cost due to an addition or a subtraction of one unit of output.
- Sustainability:The ability to meet certain needs.
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