1. What is the distinction (or the relationship ) between pollution and resource depletion ? 2. What are the most important types of air pollution ? What harmful effects does each form have on our lives , health , and economic well -being ? 3. What are the main sources and types of land and water pollution ? What dangers do these types of pollution represent ? 4. What is exponential depletion of resources ? What is peaked depletion of resources ? What are the economic consequences of both models ? 5. How do the concepts of "unlimited good " and "carrying capacity " relate to pollution control ? 6. Define deep ecology or ecological ethics . What are the consequences of taking an ecological ethic seriously ? 7. What is Blackstone's concept of environmental rights ? What are the weaknesses of his theory ? Are there any ways to answer these concerns ? 8. What is the difference between private costs and social costs ? Why is it a problem when they diverge ? What remedies for this divergence are there ? 9. How are cost -benefit analyses related to pollution control ? What are the limitations inherent in such analyses ? How does informed consent enter into the issue