Air Pollution
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Transcript of Air Pollution
Air pollution
What is Air pollution?
*Is the introduction of particulates, biological molecules, or other harmful materials into the Earth’s atmosphere.
Natural: Forest fires, pollen, dust storm
Unnatural: man-made; coal, wood and other fuel used in cars, homes and factories
*Types of Air pollution
*There are several types of air pollution, Mainly Indoor air pollution and Outdoor Air pollution.
*One type of air pollution is the release of particles in the air.
*Another type of pollution is the release of poisonous gases.
Major Pollutants
Carbon Monoxide
*Colorless, odorless
*Present in car exhaust
*causes headaches , fatigue and impaired vision
Sulfur Dioxide *produced when coal and fuel are burned
*present in power plant exhaust
*narrows the airway, causing wheezing and shortness of breath, especially in those with asthma
Ground Level Ozone
*at ground level, ozone is harmful pollutants
*formed from car, power and chemical plant exhaust
*irritate respiratory system and asthma: reduces lung function by inflaming and damaging lining of lungs
Nitrogen Dioxide
*reddish, brown gas
*produced when nitric oxide combines with oxygen in the atmosphere
*affect lungs and causes wheezing increase the chance of respiratory infection
SMOG
*Combination of gases with water vapor and dust
*combination of words smoke and fog
*forms when heat and sunlight react gases
*Occurs often with heavy traffic , high temperatures, and calm winds
Other Problems
Global Warming
Greenhouse Effect
Thinning of Ozone layer
Acid Rain
Prevention
*Ride your bike
*Tell your friends and family about pollution
*Switch of lights , fan , heat etc. When you leave the room
*Join a group to stop pollution