air pollution and what causes it?
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The Short Answer: Air pollution is caused by solid and liquid particles and certain gases that are suspended in the air. These particles and gases can come from car and truck exhaust, factories, dust, pollen, mold spores, volcanoes and wildfires. The solid and liquid particles suspended in our air are called aerosols.
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1. Effects of Air Pollution. High levels of air pollution can cause an increased risk of heart attack, wheezing, coughing, and breathing problems, and irritation of the eyes, nose, and throat. ... Air pollution causes a number of environmental effects in addition to the effects on humans and animals.
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['Air pollution. Air pollution may be caused by factories, which release harmful gases to the atmosphere. ... ', 'Water pollution. ... ', 'Farm animal production. ... ', 'Passive smoking. ... ', 'Traffic congestion. ... ', 'Noise pollution.']
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Overpopulation. Lack of political priority. Motor vehicle emissions are one of the causes of poor air quality. Other causes include wood-burning fires, fires on agricultural land, exhaust from diesel generators, dust from construction sites, burning garbage and illegal industrial activities in Delhi.
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Air pollution has been linked to higher rates of cancer, heart disease, stroke, and respiratory diseases such as asthma. In the U.S. nearly 134 million people—over 40 percent of the population—are at risk of disease and premature death because of air pollution, according to American Lung Association estimates.
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Long-term health effects from air pollution include heart disease, lung cancer, and respiratory diseases such as emphysema. Air pollution can also cause long-term damage to people's nerves, brain, kidneys, liver, and other organs.
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Photochemical smog is formed when sunlight interacts with certain chemicals in the atmosphere. Ozone is the main component in this type of air pollution. Ozone in the stratosphere protects us against harmful ultraviolet radiation, but on the ground, it is hazardous to human health.
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Human Activity and Smog Most smog comes from human air pollution. According to National Geographic, power plants, cars and trucks, and factories emit smog precursors into the atmosphere.
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There are four main types of air pollution sources: mobile sources – such as cars, buses, planes, trucks, and trains. stationary sources – such as power plants, oil refineries, industrial facilities, and factories. area sources – such as agricultural areas, cities, and wood burning fireplaces.
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Air pollution is considered as the major environmental risk factor in the incidence and progression of some diseases such as asthma, lung cancer, ventricular hypertrophy, Alzheimer's and Parkinson's diseases, psychological complications, autism, retinopathy, fetal growth, and low birth weight.
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Land pollution is a major problem around the world and is caused by a variety of factors. Some of main causes of soil pollution include deforestation and consequent erosion, agriculture, industry, mining, landfills and illegal dumping of waste as well as urbanization and construction [8].
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Since industrial emissions are one of the major causes of air pollution, the pollutants can be controlled or treated at the source itself to reduce its effects. For example, if the reactions of a certain raw material yield a pollutant, then the raw materials can be substituted with other less polluting materials.
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It can damage vehicles, pollute the air, and harm our health. Air pollution has been linked to asthma and other respiratory problems. An idling vehicle releases harmful chemicals, gases and particle pollution ("soot") into the air, contributing to ozone, regional haze, and global climate change.
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Smog is the thick haze or smoke that's caused by polluting substances in the air. ... Smog is a great example of a portmanteau, a word formed by combining two other words into one: it comes from smoke and fog.
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Smog. Smog is a kind of air pollution, originally named for the mixture of smoke and fog in the air. Classic smog results from large amounts of coal burning in an area and is caused by a mixture of smoke and sulfur dioxide. ... Smog is a problem in a number of cities and continues to harm human health.
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They can even lead to a person's death. Long-term health effects from air pollution include heart disease, lung cancer, and respiratory diseases such as emphysema. Air pollution can also cause long-term damage to people's nerves, brain, kidneys, liver, and other organs.
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Effects of Air Pollution High levels of air pollution can cause an increased risk of heart attack, wheezing, coughing, and breathing problems, and irritation of the eyes, nose, and throat. ... Air pollution causes a number of environmental effects in addition to the effects on humans and animals.