air pollution essay wikipedia



Air pollution occurs when harmful substances including particulates and biological molecules are introduced into Earth's atmosphere. It may cause diseases, allergies or death of humans; it may also cause harm to other living organisms such as animals and food crops, and may damage the natural or built environment.
Air pollution is the pollution of air by smoke and harmful gases, mainly oxides of carbon, sulphur, and nitrogen. Many of the world's large cities today have bad air quality. Even 2,000 years ago, the Romans were complaining about the bad air in their cities. At that time, the air was thick with smoke from fires and the smell of
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Air pollution has always accompanied civilizations. Pollution started from prehistoric times when man created the first fires. According to a 1983 article in the journal Science, "soot" found on ceilings of prehistoric caves provides ample evidence of the high levels of pollution that was associated with inadequate ventilation of
Air pollution in India is quite a serious issue with the major sources being fuelwood and biomass burning, fuel adulteration, vehicle emission and traffic congestion. In autumn and winter months, large scale crop residue burning in agriculture fields – a low cost alternative to mechanical tilling – is a major source of smoke,
Air is the Earth's atmosphere. Air around us is a mixture of many gases and dust particles. It is the clear gas in which living things live and breathe. It has an indefinite shape and volume. It has no colour or smell. It has mass and weight, because it is matter. The weight of air creates atmospheric pressure. There is no air in
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en.wikipedia.org/wiki/Air_pollution. Air pollution. From Wikipedia, the free encyclopedia. Air pollution is the introduction of chemicals, particulate matter, or biological materials that cause harm or discomfort to humans or other living organisms, or cause damage to the natural environment or built environment, into the
When purchasing a new car, consider one that is the most efficient, lowest-polluting vehicle or even a zero-emission electric car. 2. Walk or ride a bike. when possible.. 3. Take public transportation. More vehicles mean more air pollution. 4. Organize and condense errands into one trip. 5. When driving, accelerate gradually
Air pollution is the introduction of particulates, biological molecules, or other harmful materials into Earth's ...

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