Air pollution is defined as the contamination of the air by tiny particles, or particulates, of solids and liquids and noxious gases in unhealthy amounts. It refers to the chemical and biological agents that modify the atmosphere, usually in perilous ways. Some of its major sources are automobile engines, industrial practices, heat and energy production, and the burning of solid waste. When inhaled, air pollutants affect the respiratory tract and lungs, but may also travel …showed first 75 words of 3578 total…

…showed last 75 words of 3578 total…payments to signify environmental costs and discourage these waste-producing energy sources. Air pollution exists in many forms and is a worldwide crisis. No industrialized country is safe from a contaminated atmosphere, and need for air quality improvement is crucial as earth's population grows. Plants, animals, and humans are dying, and the disabled are growing even more motionless. Volunteers and concerned people are the key to saving our earth from becoming a cloud of deadly chemicals.