these link up with ordinary oxygen molecules and form ozone. Some rejoin other free singles and revert to stable molecules. This Sun-energy process‚ if left undisturbed‚ maintains a fairly constant supply of ozone above the Earth’s surface. The ozone layer begins about eight miles up and is distributed thinly to about thirty miles up. This lofty umbrella of ozone shields the Earth from much of the Sun’s deadly ultraviolet rays. Without the ozone cover‚ life on Earth would be literally sunburned
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the earth or the people‚ but it does the exact opposite. One problem is the hole in our ozone layer. The ozone’s purpose is to block harmful ultra violet rays from the earths surface. These UV rays can cause skin cancer and can also produce the green-house effect. The hole in the ozone layer is caused by a man made product called aerosol. In aerosol there is a thing called CEF‚ this is what eats away at the ozone. CEF’s can also be found in refrigerators . Aerosol is a product that is used in many
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also keeps the earth insulated. But also keeps the temperatures rising. Also cause global warming. Chlorofluorocarbons (CFCs) Aerosols as well as refrigeration equipment Cause more solar UV to reach earth .Is a ozone depleting source. Also contribute to global warming. Ground-level ozone (O3) Vehicle exhaust‚ industrial emissions‚ gasoline vapors‚ and chemical solvents as O3 is the main cause of smog. It is a respiratory irritant‚ shortness if breath‚ pain while taking deep breath as well as wheezing
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floral scents the fate of three common volatile hydrocarbons emitted by flowers as they encountered increasing levels of ozone‚ hydroxyl radicals‚ and nitrate radicals. The researchers plugged these data into a model to test different air pollution scenarios ranging from conditions that prevailed during the 1840s to current summertime conditions in large eastern U.S. cities‚ where ozone levels can exceed 120 ppb by volume. Under 1840s conditions‚ only 20% of scents were altered by chemical reactions within
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to humans‚ damage other living organisms such as food crops‚ or damage the natural environment or built environment. The atmosphere is a complex dynamic natural gaseous system that is essential to support life on planet Earth. Stratospheric ozone depletion due to air pollution has long been recognized as a threat to human health as well as to the Earth’s ecosystems. Types of Pollutants Primarily air pollutants -can be caused by primary sources or secondary sources. The pollutants that
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Abstract The Dangers within the Environment are affecting our health to means that we wouldn’t believe. We destroy our planets ozone that affects and causes global warming. The pesticides‚ mercury and carbon dioxide that we release into the environment cause so many health problems to use and our children. It actually affects our children’s health more than it does to use. How can we do this to our environment knowing that it affects our health more and more. Dangers with in our Environment The
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Air Pollution Earth is the only place in the universe that can support human life. It is very important that we realize this fact and take very good care of it. Various human activities cause the destruction of earth. Human beings can live a few days without food and water however humans can last only a few seconds without oxygen. Various human activities lead to the aggravation of the quality of air.
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getting warmer than before. People should decide which transportation they should get it. People now days know that the fossil fuel and burning gas can make the world to get warmer. We‚ the people know that the ozone layer. We know that burning fossil fuel can destroy the ozone layer. If the ozone layer destroys‚ the world will get warmer and warmer and the people might die. We‚ people should decide which transportation we should use. We have to choose the right transportation to use. I’m going to tell
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than a dozen volatile organic compounds‚ some of which are known carcinogens; nitrogen oxides; sulfur oxides; and particulate matter‚ tiny particles of solids‚ such as metal and soot. Other emissions that affect human health and create smog include ozone and carbon monoxide. (See Reference 1) The good news is that despite the increase of vehicles on the road‚ air quality today is actually better than it was in the 1970s‚ thanks to the 1970 Clean Air Act. In fact‚ lead emissions from cars have been
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Many cities are notorious for their dangerously high levels of air pollution and the resulting health issues‚ such as asthma and emphysema. Summer heat and vehicle emissions are just a few of the contributing factors that increase air pollution levels. However‚ healthy trees planted effectively along roads‚ buildings and in parking lots can decrease overall air pollution levels for city residents.Trees can remove both gaseous air pollutants and particulate matter. Gaseous air pollution enters a tree
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