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.
A. Effects of Air Pollution on Health
• 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.
A. Effects of Air Pollution on Health
• 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.
B. Indoor Air Pollution
• 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.
B. Indoor Air Pollution
• 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.