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Free research essays on topics related to: pollutants

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  • Twenty First Century Natural Disasters
    1,266 words
    Nature has been around since the beginning of all time. Nature has even been here since long before the dinosaurs. People have been brought up and have lived off of nature and its nourishment's. Nature is a wonderful yet dangerous thing. It can be as gentle as a breeze on a warm summer day or as deadly and ferocious as a violent hurricane in a populated city. Although man has lived through many tragic and deadly natural disasters, man has always been trying to grasp a hold of and capture a victo...
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  • Carbon Dioxide Greenhouse Gases
    827 words
    Carbon dioxide is a gas comprising less than 0. 04 % of the atmosphere. It is used by plants to make, directly or indirectly, all of the food that we eat. Increases in the concentration of carbon dioxide generally increase the growth rate of plants and decrease their water use. The concentration of carbon dioxide in the atmosphere is increasing, mostly as a result of burning of coal, oil, gas and forests. Its concentration may double by the end of the next century. Carbon dioxide also significan...
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  • 2 5 Million Rest Of The World
    554 words
    Should the US ratify the Kyoto treaty? Implementation of the Kyoto Global Warming Treaty, which requires all industrial nations to reduce greenhouse gas emissions to below 1990 levels, is a critical first step in stopping global warming. The Kyoto Treaty is one of first needed steps to saving the planet from total devastation. Should the United States ratify the Kyoto treaty? Does the question even need to be asked? The United States is one of the number one pollutants of the environment. If we ...
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  • Carbon Monoxide Noise Pollution
    1,206 words
    ... electric car came out a couple of years ago, which people thought would be a great idea. Electric pumps at every gas station, a charger at your house, good idea, right? No, wrong. Two main sources of pollution during the ownership of the electric car (not including its manufacture) are the source of electricity itself, and the production and disposal of the lead and sulphuric acid of the batteries. Two other bad points about the electric vehicle include the fact of how unattractive they are ...
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  • Effects Of Acid Acid Deposition
    770 words
    Acid Rain is a type of air pollution, formed when oxides of sulfur and nitrogen combine with atmosphere moisture to yield sulfuric and nitric acids, which may then be carried long distances from a source before they are deposited by rain. This pollution may also be snow, fog, or a dry form of precipitation. Acid rain is currently a subject of great controversy because of widespread environmental damage for which it has been blamed, including eroding structures, injuring crops and forests, and th...
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  • Carbon Dioxide Consumer Reports
    1,203 words
    Lately the earth's capacity to tolerate exploitation and absorb solid wastes disposal has diminished, due to excess trashing. People dispose lots of stuff, and simply do not care. Therefore scientists found out a way to reuse things and that process was called "recycling." This new approach seemed quite successful at the beginning, until its true identity appeared. Recycling first started as man's best friend, people were intrigued by this new phenomena. What could be better than using things th...
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  • Science And Technology Advancement Of Science
    833 words
    Science and technology may be partly responsible for many of the problems that face us today. The problems are the advancement of weapons, bombs, biochemical and nuclear weapon, which brought us violence amongst ourselves and others. Another problem is human dependences on technology, such as the internet, computers, cell phones etc. Yet one of the biggest problems is pollution. Three types of pollution that dominate they are water, air and noise pollution. Water is one of the several resources ...
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  • Physical Appearance Physical Characteristics
    1,009 words
    Have you notice that some people are just not born with a good physical appearance or good health? This is because some people are not born with the immaculate genes that those fortunate people are born with. The great Aristotle once said, Those who are sprung from better ancestors are likely to be better men, for nobility is excellence of family. (Dobzhansky 8) Genetics determine many birth defects, disease, and cancer as well Our surrounding environment, which could include pollutants contribu...
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  • Fossil Fuels Greenhouse Gases
    1,295 words
    The importance of the greenhouse effect was just conceived in the mid-twentieth century. "For billions of years, cosmic forces shaped Earth, and land and air coevolve at an almost inconceivably slow pace to create a climate in which human beings and other creatures could flourish. " (Francesca Lyman). Now, for the first time, humanity has the power to change the global climate. By releasing the huge amounts of carbon stored in fossil fuels over millions of years, we are distorting the natural ca...
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  • Commercialism Invading Communities In Economic Growth
    1,058 words
    In many growing communities across the nation they are worried about the big developers coming in and making the town into a commercial hellhole. Many are concerned with the economic, social, and wildlife tolls that suburban sprawl will take on the community. A well-known solution to this urban sprawling is smart growth. Smart growth distinguishes the diversity between expansion and the quality of life. Smart growth recognizes the community, but still lets some expansion in through the door. Sma...
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  • Carbon Monoxide Car Exhaust
    340 words
    According to the United States Environmental Protection Agency, driving a car is the single most polluting thing that most of us do. This is not a new problem. In the 1950 s the Los Angeles smog made head-line news. Car exhaust causes health problems. There are many solutions to the problem. Laws were enacted as long as twenty years ago to control pollution caused by cars. Since then laws have been made, such as special nozzles on gas pumps that prevent vapor from getting into the air. We also h...
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  • Horrible Illnesses Preventable Deaths
    853 words
    Samanaz Felfeli Extra Credit # 1 Cigarettes Whats killing our country? This year alone cigarettes will kill 420, 00 Americans, and how many more will suffer from cancers, and circulatory and respiratory diseases. These horrible illnesses were known to originate from cigarettes for years, and recently nicotine, the main man chemical additive in cigarettes, was declared addictive by the Food and Drug Administration. This explains why smokers continue to use cigarettes even though smokers are aware...
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  • Clean Water Act Federal Government
    1,013 words
    Keep Our Water Clean: Clean Water Act The Clean Water Act has made advances to our society that have helped our environment to flourish with life. The objective of the Act when it was enacted in 1972 was to restore and maintain the chemical, physical, and biological integrity of the Nations water. This objective was accompanied by other statutory goals to eliminate the discharge of pollutants into waters used by boats by 1985 and to attain waters deemed? fixable or swim mable? by 1983. So far, t...
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  • Diesel Fuel Oil Spill
    1,486 words
    James M. CrunkletonWeek Six: Ashland Oil Inc. Case Study Excellent Press Release. Good ethical analysis, but pretty light on legal analysis. Watch sentence construction, review assignments before submittal. 25 points. Ashland Oil Case Study On Saturday, January 2, 1988 at 5: 02 pm. a four million gallon storage tank at the Florence terminal outside of Pittsburgh, Pennsylvania, collapsed while being filled, releasing a 3. 9 million gallon wave of diesel fuel. As the fuel gushed, it slammed into a...
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  • Renewable Energy Sources Burning Of Fossil Fuels
    994 words
    Shifting Power Since the beginning of industry humans have been in search of fuel to power machines and generate energy. Fossil fuels, such as crude oil and coal, discovered beneath the Earth s surface were found to be an excellent source of fuel. These fossil fuels are burnt in order to generate the energy required to complete various tasks. However, we are now realizing the problems that are created by using fossil fuels to generate energy. These problems are so great that they will force huma...
    Free research essays on topics related to: renewable energy sources, burning of fossil fuels, global warming, wind energy, acid rain
  • Upper Atmosphere Ozone Layer
    591 words
    Ozone, pronounced OH Zone, is a form of oxygen that is present in the earths atmosphere in small amounts. Ozone in the upper atmosphere is a major factor in making life on earth possible. But ozone in the lower atmosphere contributes to air pollution. Ozone is used commercially in water purification process and as a bleaching agent. Ordinary oxygen molecules have two oxygen atoms, ozone has three. Ozone is produced naturally through photochemical and electric discharge reactions. Photochemical p...
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  • Waste Disposal Air Pollution
    403 words
    Pollution contamination of the environment as a result of human activities. During the 20 th cent. Pollution problems have arisen in all industrialized areas as well as in various inland and coastal waters and stretches of ocean. The capacity of the biosphere to disperse, degrade, and assimilate human wastes is in question. An early sign of environmental limits was the air pollution of the industrial revolution, brought on by the burning of coal to run mills and machinery. It was not until after...
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  • Noise Pollution Air Pollution
    740 words
    As time Pollution 4 Pollution As time advances pollution is every where, humans more and more rely on machines to live their lives. Machines like cars and trucks, airplanes, computer; all of which produce some kind of pollution. Maybe air, water, and even noise pollution are cause by these machines. Efforts to improve the standard of living for humans have resulted in pollution. Much of the worlds air, water, and land are now partially poisoned by chemical wastes. Some places have become uninhab...
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  • Mexico City Southern States
    780 words
    MEXICO CITY? S POLLUTION: IT? S CAUSES AND SOLUTIONS In the past decade, Mexico City was faced with a relentless growth of pollution. There are many reasons that this pollution is growing so steadily and refuses to cease. In 1995, Mexico City? s population was estimated to be about 17 million people. Now it is believed that over 25 million people inhabitants it as well as over 3 million cars, 3 million stray dogs and over 40, 000 factories. The city sits at the bottom of a bowl shaped valley whi...
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  • Exxon Valdez Water Pollution
    869 words
    Pollution of lakes, rivers, streams, and oceans has been killing land and water animals for years. Water pollution kills all kinds of animals every year. The EXXON VALDEZ oil spill near anchorage Alaska caused over 3, 000 otters to die, 36, 000 different kinds of seabirds were killed and over 100 eagles. The Exxon Valdez spilled over 11 million gallons of crude oil in 1989 because of somebody's carelessness. Oil spills are one of the worst types of pollution. They happen most often in the ocean ...
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