What are the major differences between the troposphere and stratosphere?
What is air pollution?
Distinguish between primary pollutants and secondary pollutants.
List the major outdoor air pollutants and their harmful effects.
Distinguish between industrial smog and photochemical smog in terms of their chemical composition and formation.
List and briefly describe 5 natural factors that help to reduce outdoor air pollution and 6 natural factors that help to worsen it.
What is a temperature inversion and how can it affect outdoor air pollution levels?
What is acid deposition and how does it form?
What are its major environmental impacts on lakes, forests, human-built structures, and human health?
List 3 major ways to reduce acid deposition.
What is the major indoor air pollutant in many less-developed countries?
What are the 3 indoor air pollutants in the U.S.? Give 3 reasons why they present a serious threat to human health.
Explain why radon-222 is an indoor air pollution threat, how and where it occurs, and what can be done about it.
Describe the human body’s defenses against air pollution, how they can be overwhelmed, and the illnesses that can result.
Approximately how many people die prematurely from air pollution each year in the world and in the U.S.? What percentage of these deaths are caused by indoor air pollution?
Summarize the U.S. air pollution laws and how they have worked to reduce air pollution.
List the advantages and disadvantages of using an emissions trading program to control pollution.
Summarize the major ways to reduce emissions from power plants and motor vehicles.
What are 4 ways to reduce indoor air pollution?
Why is preventing air pollution more important than controlling it?
How have human activities depleted ozone in the stratosphere? List 5 harmful effects of such depletion.
What has the world done to reduce the threat of ozone depletion in the stratosphere? How might projected climate change undermine this progress?