Free example essay on Air Pollution:

While you may get the tendency to write extensively about a topic, stay focused with a single idea, then break it down into more specific details. Sewage in drinking water is another type of pollution, as it can make people ill because it contains germs and viruses. Air pollution is actually the addition of any harmful substances to the atmosphere, which causes the damaging of the environment, human health and the quality of life. Examples of primary pollutants are exhaust fumes (gas) from cars, soot from smoke, dust storms and ash from volcanic eruptions (as seen in the picture on the left). In fact air pollution is the occurrence or. Protective measures to ensure children’s health are being taken in cities such as New Delhi, India where buses now use compressed natural gas to help eliminate the “pea-soup” smog.

Here is your free essay on Pollution !

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Essay on Air Pollution Sources Types and Effects

According to the World Bank, the Chinese cities with the highest levels of in 2004 of those studied were , , and . In 2012 stricter air pollution monitoring of ozone and PM2.5 were ordered to be gradually implemented from large cities and key areas to all , and from 2015 all or higher cities were included. State media acknowledged the role of environmental campaigners in causing this change. On one micro-blog service, more than a million mostly positive comments were posted in less than 24 hours although some wondered if the standards would be effectively enforced.

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Particulates are formed from both primary and secondary pathways. Primary sources such as , biomass combustion and traffic directly emits also known as "PM". Whereas, high secondary aerosol (particulates formed through atmospheric oxidation and reactions of gaseous organic compounds) contribution to particulate pollution in China is found. According to the U.S. Environmental Protection Agency, such fine particles can cause asthma, bronchitis, and acute and chronic respiratory symptoms such as shortness of breath and painful breathing, and may also lead to premature death.

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How to Write Essay about Pollution

has always accompanied civilizations. Pollution started from prehistoric times when man created the first fires. According to a 1983 article in the journal "" found on ceilings of prehistoric caves provides ample evidence of the high levels of pollution that was associated with inadequate ventilation of open fires." Metal appears to be a key turning point in the creation of significant air pollution levels outside the home. Core samples of glaciers in Greenland indicate increases in pollution associated with Greek, Roman and Chinese metal production, but at that time the pollution was comparatively small and could be handled by nature.[]

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Free sample essay on Air Pollution

Sharon Lafraniere wrote in the New York Times: “The most pernicious measure of urban air pollution---particulates 2.5 microns in diameter or less, or PM 2.5---are among the most hazardous because they easily penetrate lungs and enter the bloodstream. Caused by dust or emissions from vehicles, coal combustion, factories and construction sites, the particles increases the risk of cardiovascular ailments, respiratory disease and lung cancer if people are chronically exposed to them. Car and truck exhaust is a major source of fine particulate pollution, a particular problem in Beijing, where the number of registered cars has skyrocketed from to 5 million in 2011 from 3.5 million in 2008.

Read this essay especially written for you on “Water Pollution In India” in Hindi language.

Essay on Air pollution - Important India

Particulate matter, which includes dust, soot aerosol particles less than 10 microns in size is a major source of air pollution. Particulate levels are measured in micrograms be cubic meter of air. In United States levels about 50 micrograms are considered unsafe. In Europe the levels are around 40 micrograms. In Beijing that average level is 141.