Environmental Science 102
Air Pollution Study Guide


After the "Air Pollution" lecture and readings you should be able to answer and discuss the following questions.

What is air pollution?

When was the first pollution produced by humans?

Briefly describe the early history of air pollution.

What is smog?

Who enacted the first Clean Air Act? When?

When did the United States pass its first Clean Air Act? Why did it wait so long after the UK had passed its first Clean Air Act?

What are the 3 key elements of the U.S. Clean Air Act?

What is the Air Quality Index?

On which 5 air pollutants is the AQI based?

How is the AQI calculated?

How does indoor air quality differ from outdoor air quality, and why is it so important?

List the types and sources of air pollutants.

Why is carbon monoxide so dangerous?

Why are some (but not all) hydrocarbons considered dangerous?

Which hydrocarbon is intentionally inhaled every day by millions of stupid U.S. citizens? ("Stupid" is defined here as "someone who knows the health risk as stated on warning labels, chooses to ignore those warnings, and then proceeds to expose themselves and those around them to highly addictive and toxic chemicals".)

Why are temperature inversions and pollution a potentially deadly combination?

What is a pollution dome?

What is a pollution plume?

What is meant by the term "global dimming"?

What is causing global dimming and how is this happening?

What are the consequences of global dimming?

What are some of the other forms of pollution?