Describe the negative effects of pollutants on crops, forests,and other materials. Which pollutants are mainly responsible forthese effects?

Describe the main attributes of successful recyclingprograms.

If you were to design a PAYT program, what would be your mainconsiderations? What actions would you recommend to make theprogram successful?

Differentiate between a hazard and a risk. Where doesvulnerability fit in?

Suppose that your town wanted to spray trees to get rid of anuisance pest. How would you use a cost-benefit analysis todetermine whether spraying is a good idea? What might be a betterapproach?