Notes on Air Pollution
Air Pollution: Obtaining and using certain energy resources -- fossil fuels and nuclear energy can pollute the air.
Most air pollution is caused by motor vehicles.
Temperature Inversion: Cool air near the earth’s surface is trapped under a layer of warm air. Pollutants are trapped with it.
· Pollutants produced by too much industry burning fossil fuels
· Results in eye irritations, lung and heart disease
· Mostly caused by motor vehicles by the release of hydrocarbons due to fuel not being completely burned.
· Carbon monoxide (poisonous gas) is released into the atmosphere.
· These gases react in sunlight to form smog
· Results in eye irritations, breathing problems (especially dangerous to people with lung disease)
· Can damage or kill plants
The scale used to measure acidity is called the Ph scale. The pH scale is from 0 to 14. A pH below 7 is an acid, 7 is neutral, and above 7 is alkaline or a base. Water or precipitation should be 7, however it is usually between 5 and 6.
· Factories release sulfur oxides and nitrous oxides into the air through their smokestacks. (burning fossil fuel)
· These gases combine with water vapor in the atmosphere and form sulfuric acid and nitric acid.
· These acids fall back to the Earth by precipitation (Acid Rain) and pollute the air, land and waters of the Earth.
· Acid Rain is carried by wind currents to places far from their original source.
Indoor air pollution: Any gases released into the air inside buildings.
· Appliances, fireplaces, stoves, ovens, air fresheners, disinfectants, cleaning supplies and cigarette smoke are all sources of indoor air pollution
· Building insulation help to hold the pollutants inside longer.
· Breathing in the smoke of one cigarette is the equivalent of breathing in the smoggy air of Los Angeles for one week.