Transcript

Air pollution

*Is the introduction of particulates, biological molecules, or other harmful materials into the Earths 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.Carbon Monoxide*Colorless, odorless*Present in car exhaust*causes headaches , fatigue and impaired visionSulfur 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 asthmaGround 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 lungsNitrogen Dioxide *reddish, brown gas*produced when nitric oxide combines with oxygen in the atmosphere*affect lungs and causes wheezing increase the chance of respiratory infectionSMOG*combination of words smoke and fog*forms when heat and sunlight react gases*Occurs often with heavy traffic , high temperatures, and calm winds*Combination of gases with water vapor and dust

*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


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