12-2 air, noise, and light pollution page 309. a. effects of air pollution on health 1. short term...

12-2 Air, Noise, and Light Pollution

Page 309

A. Effects of Air Pollution on Health

• 1. Short term effects may be reversible if exposure is decreased.


• 2. Short term effects include headache, nausea, irritation to eyes/nose/throat, coughing, respiratory infections (bronchitis, pneumonia.

A. Effects of Air Pollution on Health• 3. Long term effects include emphysema, lung

cancer, and heart disease.


• 4. Increased risk for children's developing lungs and older people with existing medical conditions.

B. Indoor Air Pollution

• 1. At times worse than outside due to all the chemicals use to make carpets, furniture, paint, etc.


• 2. Buildings with very poor air quality have a condition called sick-building syndrome.

B. Indoor Air Pollution• 3. Common in buildings that are tightly sealed

to keep out the heat.


• 4. Asbestos, now banned, was commonly used in buildings as an insulator and fire retardant cause extensive damage to the lungs.

C. Noise Pollution

• 1. Unwanted sound is noise pollution.

C. Noise Pollution

• 2. Hearing loss has doubled in the U.S. since the 1970s.

C. Noise Pollution

• 3. 14.9% of teens have permanent hearing loss.

C. Noise Pollution

• 4. The intensity of sound is measured as the unit of decibels (dB).

D. Light Pollution

• 1. Can increase stress, headaches, fatigue, and anxiety in humans.

D. Light Pollution

• 2. Diminishes view of the sky!

D. Light Pollution

• 3. Concerns for wildlife– Disrupts patterns of migrating birds– Disorients baby sea turtles

D. Light Pollution

• 4. Additional concerns include energy waste.

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