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Ozone Layer Depletion Essay In Marathi


But this has been found to cause the ozone layer to deplete no more than 1-2 percent and the results are.Overexposure to strong UV light causes skin cancer, cataracts, sunburns, weakening of immune system and quick aging.Our country is facing many serious problems that can harm peoples well being.As our scientific knowledge about ozone depletion grew, so too did the response to the issue.The atmosphere is held around the planet by the force of gravity..The concern for the ozone layer around the world stems from the fact that this layer, primarily in the region 10 to 50 kilometers.In 1985, British scientists discovered this hole.Nearly two-thirds of Earth’s ozone is gone—not just over the poles, but everywhere.No life on earth is possible without it.One chlorine can destroy 100,000 molecules of ozone.The ozone layer is a spread of blue-colored gas through the stratosphere, which filters out ultraviolet radiation from the sun (Lean 2005).Money and time are being spent on ozone repair, but the problem still exists.The ozone layer protects humans, animals, and plants from harmful ultraviolet rays.If the ozone layer gets depleted, more UV rays enter the atmosphere.Natural causes of depletion of ozone layer.Ozone levels above the Arctic reached a record low for March, NASA researchers report.Therefore any changes in ozone layer depletion essay in marathi the atmospheric concentration and distribution of ozone will have significant impact on the global.An analysis of satellite observations show that ozone levels reached their lowest point on March 12 at 205 Dobson units.Certain industrial processes and consumer ozone layer depletion essay in marathi products result in the emission of “halogen source gases” to the atmosphere.UV light can penetrate organisms’ protective layers, such as skin, damaging organisms’ DNA.L ike an infection that grows more and more virulent, the continent-size hole in Earth's ozone layer keeps getting bigger and bigger.Environmental Protection Agency, 2006) Ozone layer depletion is the thinning of the ozone layer present in the upper atmosphere.Ozone Layer Depletion In the 21st century, some major issues have emerged along with the advancement of science and technology, ozone layer depletion is one of them.The evaporation of surface water through the stomata of leaves increases, which results in the decreased moisture content of the soil.Human-induced changes in the global climate system and in stratospheric ozone pose a range of health risks.Devastation to environment Essays on Ozone Layer.Irrespective of actions that might soon be taken to reduce or halt these environmental changes, human populations will be exposed to some degree of climate change and.

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As the area of polar ozone depletion (commonly called the ozone hole) gets larger, additional ultraviolet rays are allowed to pass through.The ozone layer is one of the layers of Earth’s stratosphere.This depletion of Ozone layer essay explains the causes and effects of its depletion.Man-made causes of depletion of ozone layer.Simulations of global ozone concentration show the real-world ozone layer (left) versus a "world avoided," in which CFCs had never been banned.No life on earth is possible without it.Note the seasonal pulse of ozone over the poles, how it declines to holes (blue), then becomes global depletion by the 2050s the earth’s protective ozone layer, thus increasing the intensity of ultraviolet radiation at the earth’s surface (Figure 2b).The ozone layer is quite beneficial to human life and existence.Regulate a balance of ozone and form the ozone layer.The concern for the ozone layer around the world stems from the fact that this layer, primarily in the region ozone layer depletion essay in marathi 10 to 50 kilometers.Reds depict high concentration; dark blues show low concentrations.In summary, Ozone depletion has further increased the risk that Australians already face from overexposure to UV radiation resulting from their outdoor lifestyle.These rays cause cancer, cataracts, and lowered immunity to diseases.The ozone layer is a spread of blue-colored gas through the stratosphere, which filters out ultraviolet radiation from the sun (Lean 2005).In much the same way a cloud blocks the heat on a hot day, the ozone layer in the stratosphere blocks out the sun’s deadly ultraviolet rays Although ozone depletion has been a global issue, there is significant differences in distribution of ozone layer depletion across the world.But chemicals, like chlorofluorocarbons or CFCs, and other pollutants, have weakened the protective layer and created a hole.THE OZONE DEPLETION PROCESS Q6: What are the principal steps in stratospheric ozone depletion caused by human activities?When chlorine nitrate, a chemical that ties up chlorine in an ozone-safe form, was added to the hypothesis, the expected amount of ozone loss decreased The ozone hole is basically a human-caused hole in the ozone layer above the South Pole during the Southern Hemisphere’s spring.The ozone layer, which lies high up in the atmosphere, shields us from harmful ultraviolet (UV) rays that come from the Sun.The Growing Concern over the Depletion of the Ozone Layer and Its Effects (3000 words, 13 pages) 1IntroductionThere are simply too many people on our planet, and the population is not showing any signs ofslowing down (see Figure 1).The reason behind the ozone layer depletion is mainly due to the extensive use of ozone-depleting substances (ODS.Ozone is a pale blue gas with a pungent (chlorine-like) smell.The ozone layer exists mainly in the stratosphere, a layer of the atmosphere that reaches from 10 to 50 kilometers (about 6 to 30 miles) above the Earth’s surface.The global temperature could rise!But chemicals, like chlorofluorocarbons or CFCs, and other pollutants, have weakened the protective layer and created a hole.Research into ozone depletion has therefore focused largely,though not exclusively,on trends and processes within the stratosphere,the layer of stratified, relatively stable air that houses the ozone layer and.Additional research has ozone layer depletion essay in marathi shown that ozone depletion occurs over every continent.When high-energy ultraviolet rays (UV-C) strike an oxygen.Tremendous changes in the modernized world As a result, there has been a general thinning of the ozone layer over most of the globe, including between five to nine per cent depletion over Australia since the 1960s.Some ozone-depleting substances are: Chlorofluorocarbons (CFC): The use of CFC’s is one of the main reasons for the depletion of the layer.It is an essential component in the history of life on Earth.The ozone layer serves as an umbrella or protective shield of the troposphere and saves the Earth’s surface from most of the ultra violet solar radiation by absorbing the ultra violet rays.Unfortunately we punched a hole in it, through the use of gases like chlorofluorocarbons.They are usually used as a coolant in refrigerators and air conditioners used in cars etc Q7: What emissions from human activities lead to ozone depletion?

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Therefore any changes in the atmospheric concentration and distribution of ozone will have significant impact on the global.Ozone layer depletion has become a worldwide concern due to the rapid deterioration of the volume of the ozone layer, also for the increasing threat to.These gases bring chlorine and bromine to the stratosphere, which cause depletion of the ozone layer OZONE LAYER DEPLETION AND ITS CONSEQUENCES ON HUMANS: A REVIEW Authors: Saba Ashraf, Sana Ashraf Abstract Ozone (O3) is a natural sunscreen that is important to humans for their survival.If the ozone layer is depleted, humans will be overly exposed to strong UV light.A special condition exists in Antarctica that accelerates the depletion of the ozone layer.The ozone layer exists mainly in the stratosphere, a layer of the atmosphere that reaches from 10 to 50 kilometers (about 6 to 30 miles) above the Earth’s surface.When these ozone layer depletion essay in marathi UV rays come in contact with ozone layer depletion essay in marathi the human skin, it can cause malignant skin cancers.The ozone layer, which lies high up in the atmosphere, shields us from harmful ultraviolet (UV) rays that come from the Sun.Ozone layer depletion has become a worldwide concern due to the rapid deterioration of the volume of the ozone layer, also for the increasing threat to.The ozone layer absorbs radiation that hits Earth from the sun.Paints and fibres are also damaged by the increased levels of ultraviolet.The ozone layer is a region of the stratosphere containing ozone, or O3 gas..“A giant asteroid could hit the earth!Chemical compounds that cause ozone layer depletion are called Ozone Depleting Substances (ODSs).The World We Avoided by Protecting the Ozone Layer.Ozone is created primarily by sunlight.Planet Earth is the only known astronomical object that is known to harbor life.

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