Discussion Question
1. Discusses alternative designs for development that take into account protection of environmentally sensitive areas, public transportation, walkable, mixed use neighborhoods, etc. The term "smart growth" is often used to describe this method of planning. Do you have examples of green communities in Los Angeles? What do you think are the biggest health benefits from these compared to traditional development?
2. What factors lie behind the shift of population from rural areas to urban areas? What types of cities and countries are experiencing the fastest urban growth today, and why?
3. Why have so many city dwellers in the United States, Canada, and other nations moved into suburbs?
4. How are some people trying to prevent or slow sprawl? Describe some key elements of "smart growth." What effects, positive and negative, do urban growth boundaries tend to have?
5. What is one way natural ecosystems can perform wastewater treatment? Explain the process and your thoughts on using such natural or created systems in wastewater treatment.
6. Compare and contrast the main types of freshwater ecosystems. Name and describe the major zones of a typical pond or lake.
7. Name three major types of water pollutants, and provide an example of each. Explain which classes of water pollutants you think are most important in your local area.
8. Define groundwater. Why do many scientists consider groundwater pollution a greater problem than surface water pollution?