Science and Development‚ Vol.2‚ No.1‚ February 2011 ISSN: 2010-0264 Ozone Layer Depletion and Its Effects: A Review Sivasakthivel.T and K.K.Siva Kumar Reddy Abstract - There are many situations where human activities have significant effects on the environment. Ozone layer damage is one of them. The objective of this paper is to review the origin‚ causes‚ mechanisms and bio effects of ozone layer depletion as well as the protective measures of this vanishing layer. The chlorofluorocarbon
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There are many water resource problems affecting the world today and we Humans must take action to resolve them. This is because the world cannot exist without water. Every living thing depends on water and would not survive without it. Of all the water resource problems‚ one of the most important to solve would be the depletion of aquifer supplies. An aquifer is the body of sand that is able to store or produce large amounts of water. They can be anywhere from a few feet deep to a few hundred feet
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John C. Allen and is co-worker Stephanie Malin wrote the article “Green Entrepreneurship: a method for managing natural resources” that was published in the journal of the international association for society and natural resources in 2008. Allen and Malin work as professors in the department of sociology‚ social work‚ and anthropology at Utah State University. The article focused on the practice of the fast growing green entrepreneurs and how a green environment can affect a society. Just like every
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The ozone layer protects the Earth from the ultraviolet rays sent down by the sun. If the ozone layer is depleted by human action‚ the effects on the planet could be catastrophic. Ozone is present in the stratosphere. The stratosphere reaches 30 miles above the Earth‚ and at the very top it contains ozone. The suns rays are absorbed by the ozone in the stratosphere and thus do not reach the Earth. | | | | | | The Ozone Layer Over Time. Image Credit: Institute for Studies in Development
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• Depletion of ozone and formation of ozone hole • Ozone‚ in fact is a gas having fishy smell and O3 molecules which works as the protective shield for the life in the earth. It absorbs solar ultraviolet radiations and thereby protects life on the earth from several damage such as DNA mutation‚ skin cancer‚ blood cancer‚ etc. In the year 1985‚ NASA detected the thinning out of the ozone layer leading to the formation of ‘ozone hole’ in Antarctica. Since then the scientists have been regularly
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CHAPTER 11 DEPRECIATION‚ IMPAIRMENTS‚ AND DEPLETION TRUE-FALSE—Conceptual Answer T F T T F F T F F T T F T F T T F T F T No. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20 Description Nature of depreciation. Nature of depreciation. Depreciation‚ depletion‚ and amortization. Definition of depreciation base. Factors involved in depreciation process. Definition of inadequacy. Objection to straight-line method. Units-of-production approach. Accelerated depreciation
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Layer Depletion The latest satellite measurement indicates an ozone loss at the rate of 8% just above the South Pole‚ at the centre of the ozone hole‚ 5% of the protective gas is depleting each day. In 1980‚ a hole in the ozone umbrella was found out by a scientist named Chubachi Shigerui of Meteorological Research Institute of Japan. By the year 1985‚ this hole reached to the size of the American continent. Factors Affecting 03 Layer Depletion The main cause of 03 layer depletion is the
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their income is not enough to buy their basic needs like gas‚ for fuel. Hence‚ they resort to using recycled paper as fuel substitute for charcoal. Fuel is a combustible material used as a source of heat energy. Our country is rich in untapped natural resources which when processed would mean additional source of livelihood. This study on paper waste fuel recycled from paper waste or old newspapers was an attempt to lessen the expenses of every Filipino family and offer them an alternative source of
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bearing rock. Many areas on earth have an underlying aquifer‚ which can supply fresh water through the use of a well. Aquifers were first tapped for water in the early 1900 ’s for irrigation. Aquifers were originally believed to be an inexhaustible resource thus humans began tapping them for municipal and industrial uses as well (Aquifer‚ 2007). Now‚ many countries are over pumping aquifers in a struggle to fulfill their growing water supply demands. For example‚ in the United States‚ the water levels
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Natural Scenery- For tourist wanting to see the natural side of Paris‚ the Bois de Boulogne is a good place to go. It is 3 times larger than Central Park in New York which means it has plenty of space for many activities‚ especially on the weekend such as biking‚ jogging‚ boat rowing and remote control speed boats. This means that tourist that has children will enjoy the park. Picnics can be held in the park‚ so tourist on a smaller budget will like this option more. However I think that tourist
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