1. Human Health and Air Pollution 7SCIENCE Mon., Feb. 14, 2011

2. How is human health affected by air pollution? Smog warnings Cities Children and elderly people should stay indoors Athletes train outside Adjust training schedules to avoid smog and dirty air conditions

3. How dangerous is this dirty air? Damaging to lung tissue, making people more susceptible to diseases like asthma You may feel: Burning eyes Dry throat Headache Acid rain: when you inhale air from acid rain, the acid gets deposited in your lungs More respiratory illness, less oxygen and makes your heart work harder!

4. Particulate air pollution Particulates: Solid particles that are produced in the air, and are of different sizes Less than 1/10ththe diameter of a human hair Formed from burning coal and other fossil fuels Affects normal breathing and can cause lung diseases

5. Reducing air pollution Pollutants and other contaminants in the air don’t stop when they reach the city or country borders or oceans Float wherever the wind carries them Even if one city or country reduces air pollution, than pollution from another city may travel on the wind If cities and countries cooperate, then pollution can be reduced!

6. Movement of air pollution in Asia

7. Reducing air pollution One solution: Scrubbers! Coal has a lot of sulfur in it Review: What type of smog is produced from this process of burning coal? When coal is burned, smoke is formed, and particulates may be released Many power plants have scrubbers,which can lower the acidity of the smoke and remove the particulates Another solution: Alternative or renewable energies!