List ways to reduce water pollution from (a) nonpoint sources and (b) point sources. Describe theU.S. experience with reducing point-source waterpollution and list ways to improve such efforts. Whatis a septic tank and how does it work? Explainhow primary sewage treatment and secondarysewage treatment are used to treat wastewater.What are three ways to improve conventional sewage treatment? What is a waterless composting toiletsystem? Describe John Todd’s use of living machinesto treat sewage by working with nature. Explain howwetlands can be used to treat sewage. List six ways toprevent and reduce water pollution. List five thingsyou can do to reduce water pollution. What are thischapter’s three big ideas? Explain how the threescientific principles of sustainability canguide us in using water resources more sustainablyand in reducing and preventing water pollution.
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 and list ways to improve such efforts. What
is a septic tank and how does it work? Explain
how primary sewage treatment and secondary
sewage treatment are used to treat wastewater.
What are three ways to improve conventional sewage treatment? What is a waterless composting toilet
system? Describe John Todd’s use of living machines
to treat sewage by working with nature. Explain how
wetlands can be used to treat sewage. List six ways to
prevent and 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
scientific principles of sustainability can
guide us in using water resources more sustainably
and in reducing and preventing water pollution.
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