1. Air Air, Noise, and Light Pollution Chapter 12 Section 2

2. Effects of Air Pollution Short-term – reversible; headache, nausea, eye, nose and throat irritation, coughing; increase effects of asthma and emphysema Long-term – emphysema, lung cancer, heart disease

3. Indoor Air Pollution Plastics and other industrial chemicals can make indoors worse than outdoors Sick-building syndrome – very poor air quality indoors Radon gas – comes from uranium and other materials in the Earth’s crust Asbestos – used as insulation and fire retardant, causes asbestosis, a form of cancer

4. Sources of Indoor Air Pollution

5. Noise pollution Affects human health and quality of life From airplanes, construction, city traffic, factories, lawnmowers, stereos Related health problems include – loss of hearing, high blood pressure, and stress

6. Light Pollution Not a direct hazard to human health Negatively affects the environment Diminishes view of night sky Inefficient lighting is a waste of energy