Describe the negative effects of pollutants on crops, forests, and other materia

Question

1. Describe the negative effects of pollutants on crops, forests, and other materials. Which pollutants are mainly responsible for these effects?
2. Describe the main attributes of successful recycling programs.
3. If you were to design a PAYT program, what would be your main considerations? What actions would you recommend to make the program successful?
4. Differentiate between a hazard and a risk. Where does vulnerability fit in?
5. Suppose that your town wanted to spray trees to get rid of a nuisance pest. How would you use a cost-benefit analysis to determine whether spraying is a good idea? What might be a better approach?

Explanation / Answer

a. Plants are more sensitive to air pollution than humans. Depletion of ozone layer allows the dangerous UV rays to enter the earth that damages crops, and forests. Air pollutants cause the plant leaves to become yellow and to loose chlorophyll.

Acid precipitation and toxic gases interactions cause these effects.

b. The main attributes of successful recycling programs are:

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