Dangers Of Smoking http://www.gumauctions.com/article/140/Dangers-Of-Smoking/ ------------------------------------------------- Almost everybody knows that smoking is bad for the health. Images of blackened lungs line school hallways and hospital waiting rooms‚ but despite this people continue to take up smoking. This may have to do with the pervasive romantic image of smoking -- an image that has nothing in common with reality. There are many ways to take tobacco. You can chew it‚ inhale it through
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What is Pollution Prevention? Pollution is the contamination of air‚ soil‚ or water by the discharge of harmful substances. Pollution prevention is the reduction or elimination of pollution at the source (source reduction) instead of at the end-of-the-pipe or stack. Pollution prevention occurs when raw materials‚ water‚ energy and other resources are utilized more efficiently‚ when less harmful substances are substituted for hazardous ones‚ and when toxic substances are eliminated from the production
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I. Introduction According to the Columbia Encyclopedia‚ water pollution is defined as contamination of water resources by harmful wastes. In most cases this contamination is a result of people overloading the water environment with wastes. The scope of this problem covers any and all water sources including but not limited to streams‚ lakes‚ underground water‚ bays or oceans. II. Statement of Problem It is no misconception that water is a necessary compound to all life on Earth. Absolutely all
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Noise Pollution The nature of sound Sound‚ a manifestation of vibration‚ travels in wave patterns through solids‚ liquids and gases. The waves‚ caused by vibration of the molecules‚ follow sine functions‚ typified by the amplitude and wavelength (or frequency) Sound waves of equal amplitude with increasing frequency from top to bottom Reflecting on noise “Noise" derived from "nausea‚" meaning seasickness Noise is among the most pervasive pollutants today Noise is unavoidable for many
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hi i am here to write an essay antarctica can be seen as the world’s largest laboratory. Science is one of the most important reasons as to why we venture into this barren desert‚ and we have made and continue to make important scientific discoveries in the Antarctic. polar bears are sad very sad indeed. ntarctica can be seen as the world’s largest laboratory. Science is one of the most important reasons as to why we venture into this barren desert‚ and we have made and continue to make important
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Air Pollution * Pollutants enter the air from various sources‚ but burning of fossil fuels contributes the most to air pollution. * Exhaust fumes from vehicles contains soot (tiny carbon particles)‚ lead (from cars using unleaded petrol)‚ carbon monoxide‚ oxides of nitrogen and hydrocarbons due to the incomplete combustion of fossil fuels. * Burning of fossil fuels in the combustion engines of vehicles and electrical power stations also releases large amount of carbon dioxide into the
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Air pollution is the introduction of chemicals‚ particulates‚ biological materials‚ or other harmful materials into the Earth’s atmosphere‚ possibly causing disease‚ death to humans‚ damage to other living organisms such as food crops‚ or the natural or built environment. The atmosphere is a complex 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
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Global Warming Is Debatable‚ But Global Pollution Is a Fact When we hear the term global warming we tend to think of the enormous hole in the ozone layer‚ but what it really is the earth’s average measured temperature and why it changes. Scientists explain that green house concentrations‚ solar variation‚ and volcanoes negatively affect our earth. This isn’t including the human aspects in which we are damaging our earth’s atmosphere. There are several reasons why researchers state that humans
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Air pollution is something that affects us every day whether we know it or not. The definition of air pollution occurs when the air contains gases‚ dust‚ fumes or odor in harmful amounts. That is‚ amounts which could be harmful to the health or comfort of humans and animals or which could cause damage to plants and materials. However; air pollution is something that can be prevented and is there are things that we as humans can do to better the environment. The human impact of air pollution is
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United States Environmental Protection Agency Office of Water 4304 EPA-822-B-01-003 October 2001 Nutrient Criteria Technical Guidance Manual Estuarine and Coastal Marine Waters U.S. Environmental Protection Agency Nutrient Criteria Technical Guidance Manual Estuarine and Coastal Marine Waters October 2001 Disclaimer This manual provides technical guidance to States‚ Indian Tribes‚ and other authorized jurisdictions to establish water quality criteria and standards under the
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