Environmental Science 14th Edition by Tyler Miller ,Scott Spoolman

Exercise 15

List ways to reduce water pollution from (a) nonpoint sources and (b) point sources. Describe the U.S. experience with reducing point-source water pollution. What is a septic tank and how does it work Explain how primary sewage treatment and secondary sewage treatment are used to help purify water. How would Peter Montague improve conventional sewage treatment What is a composting toilet system Describe John Todd's use of living machines to treat sewage. Explain how wetlands can be used to treat sewage. List three ways to prevent and three ways to reduce water pollution. List five things you can do to reduce water pollution. What are this chapter's three big ideas Explain how the three principles of sustainability can guide us in reducing and preventing water pollution and in using water more sustainably during this century.