The causes and effects of pollution

Contact Us Search The present generation and the coming generations have to solve three grave problems, namely, population poverty and pollution if they have to survive.

The causes and effects of pollution

Ozone O3 is a gas molecule composed of three oxygen atoms. Often called "smog," ozone is harmful to breathe.

The causes and effects of pollution

Ozone aggressively attacks lung tissue by reacting chemically with it. When ozone is present, there are other harmful pollutants created by the same processes that make ozone. The ozone layer found high in the upper atmosphere the stratosphere shields us from much of the sun's ultraviolet radiation.

However, ozone air pollution at ground level where we can breathe it in the troposphere causes serious health problems.

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Where Does Ozone Come From? Ozone develops in the atmosphere from gases that come out of tailpipes, smokestacks and many other sources. When these gases come in contact with sunlight, they react and form ozone smog. The essential raw ingredients for ozone come from nitrogen oxides NOx and hydrocarbons, also called volatile organic compounds VOCs.

They are produced primarily when fossil fuels like gasoline, oil or coal are burned or when some chemicals, like solvents, evaporate.

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NOx is emitted from The causes and effects of pollution plants, motor vehicles and other sources of high-heat combustion. VOCs are emitted from motor vehicles, chemical plants, refineries, factories, gas stations, paint and other sources.

CO is also primarily emitted from motor vehicles. And because the reaction takes place in the atmosphere, the ozone often shows up downwind of the sources of the original gases. In addition, winds can carry ozone far from where it began, even internationally across borders and even the oceans.

You may have wondered why "ozone action day" warnings are sometimes followed by recommendations to avoid activities such as mowing your lawn or driving your car. Lawn mower exhaust and gasoline vapors are VOCs that could turn into ozone in the heat and sun.

Surface Water Pollution

Who Is at Risk from Breathing Ozone? Anyone who spends time outdoors where ozone pollution levels are high may be at risk.

Five groups of people are especially vulnerable to the effects of breathing ozone: The impact on your health can depend on many factors, however. For example, the risks would be greater if ozone levels are higher, if you are breathing faster because you're working outdoors or if you spend more time outdoors.

Lifeguards in Galveston, Texas, provided evidence of the impact of even short-term exposure to ozone on healthy, active adults in a study published in Testing the breathing capacity of these outdoor workers several times a day, researchers found that many lifeguards had greater obstruction of their airways when ozone levels were high.

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Because of this research, Galveston became the first city in the nation to install an air quality warning flag system on the beach. Breathing ozone can shorten your life. Strong evidence exists of the deadly impact of ozone from large studies conducted in cities across the U.

Researchers repeatedly found that the risk of premature death increased with higher levels of ozone. A large study of 48 U. Ozone concentrations by city in the summer months ranged from 16 percent to 80 percent lower than the U.

Researchers found that ozone at those lower levels was associated with deaths from cardiovascular disease, strokes, and respiratory causes.Causes and Effects of Air Pollution Air pollution threatens the health of humans and other living beings in our planet.

It creates smog and acid rain, causes cancer and respiratory diseases, reduces the ozone layer atmosphere and contributes to global warming.

Published: Mon, 5 Dec The introduction of harmful waste materials, other forms of contamination which are a hazard to the life sustaining atmosphere of the planet earth is commonly known as pollution. The effects of air pollution on humans are quite severe.

It is considered the main cause of ever rising cases of respiratory system problems and diseases, like asthma and cancer. If you are experiencing difficulty accessing information on this site due to a disability, or if you have questions or concerns regarding the accessibility of content on this site, please submit your feedback using this your feedback using this form.

Noise Pollution: Sources, Effects and Control: The present generation and the coming generations have to solve three grave problems, namely, population poverty and pollution if they have to survive.

The causes and effects of pollution

Acid rain is made up of water droplets that are unusually acidic because of atmospheric pollution, most notably the excessive amounts of sulfur and nitrogen released by cars and industrial processes.

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