Lecture 6 Fall 2010

Lecture 6 Fall 2010 - Lecture 6 Outline Notes, Chapter 3...

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The toll of air pollution: WHO (World Health Organization) estimates that air pollution kills approximately 4.3 million people worldwide. Natural pollution sources 1. 2. 3. 1.Volcanoes: Mt. Pinatubo released _____________ nearly 20 million tons of _____________ into the stratosphere. 2.Wildfires: release dust, smoke, soot, ash, nitrogen oxides, __________________, and volatile organic compounds (VOC’s) into the atmosphere. 3. Dust storms: originate in desert areas, but can enter urban areas. At any one moment, a _________ of dust are aloft in the atmosphere. Anthropogenic pollution Anthropogenic means: Anthropogenic pollution is most common in urban regions. People are moving into cities, so air pollution is becoming an increasing problem. By 2010, about _____________ people (roughly ____ the world population) will live in cities. 1/3 of these will have unhealthy levels of air pollution. So, a MASSIVE problem: ___________ people. Two in five Americans live in counties that have unhealthy levels of either ozone or particle pollution at least part of the year. Metro Atlanta has both. T/F Anthropogenic means “generated in air.” T/F Atlanta rank 1 st in the nation for year-round particle pollution, and 4 th for ozone. T/F Wildfires, dust storms, and volcanic explosions are natural sources of pollution. Air pollution is becoming an increasingly large problem because by 2010______of the world population will live in cities. A. ¼ B. ½ C. ¾ T/F By 2010 about 5 million people will live in cities with unhealthy levels of air pollution. Throughout the world, air pollution kills _____of people each year
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Lecture 6 Fall 2010 - Lecture 6 Outline Notes, Chapter 3...

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