Air Pollution Chapter 20
The Atmosphere as a Resource Atmospheric composition: Nitrogen = 78% Oxygen = 21% Argon = 0.93% Carbon dioxide = 0.04%
Types and Sources of Air Pollution Major Air Pollutants
Types and Sources of Air Pollution Primary and Secondary Air Pollutants
Types and Sources of Air Pollution Major Classes of Air Pollutants Particulate matter Nitrogen oxides Sulfur oxides Carbon oxides Hydrocarbons Ozone Ozone damage
Types and Sources of Air Pollution Primary Air Pollutants
Types and Sources of Air Pollution Sources of Outdoor Air Pollution
Types and Sources of Air Pollution Hydrocarbon emissions in Atlanta, Georgia
Types and Sources of Air Pollution Urban Air Pollution
Types and Sources of Air Pollution Case-in-Point: Air Pollution in Los Angeles and Mexico City Sources of smog in Los Angeles
Types and Sources of Air Pollution Case-in-Point: Air Pollution in Los Angeles and Mexico City Smog in Mexico City
Effects of Air Pollution Air Pollution and Human Health
Effects of Air Pollution Health Effects of Specific Air Pollutants Sulfur dioxide, nitrogen dioxide, & particulate matter – airway irritation and constriction Carbon monoxide – headache, fatigue, drowsiness, death Ozone – burning eyes, coughing, and chest discomfort
Controlling Air Pollution in the United States Controlling Air Pollutants Turned ON Electrostatic precipitator Turned OFF
Controlling Air Pollution in the United States Controlling Air Pollutants Scrubber
Controlling Air Pollution in the United States Clean Air Act Emissions in the US, 1970 vs. 2000
Controlling Air Pollution in the United States US Urban Areas with Worst Air Quality, 2002
Controlling Air Pollution in the United States Other Ways to Improve Air Quality Reducing the sulfur content in gasoline Require federal emissions standards to apply to ALL passenger vehicles Require emission testing for ALL vehicles
Air Pollution Around the World Many nations do not have most current pollution scrubbing technologies Air pollution in China
Air Pollution Around the World Long-Distance Transport of Air Pollution
Indoor Air Pollution
Indoor Air Pollution and the Asthma Epidemic # of asthma sufferers has doubled since 1970 Exactly why is unknown, but thought to be linked to increased indoor air pollution
Indoor Air Pollution Radon