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Free research essays on topics related to: pollutants

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  • State And Federal Lung Function
    1,203 words
    ... used a group of 6, 340 Seventh Day Adventists living throughout California (62 % lived in the Basin). Results of the study suggest a relationship between long term exposure to air pollution and the development of specific chronic diseases. Residents living in areas which exceeded state and federal standards for suspended particulates on 42 days or more per year had higher risks of respiratory diseases, including a 33 % greater bronchitis risk and 74 % greater asthma risk. In addition, women ...
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  • Solid Waste Waste Disposal
    2,006 words
    When I was a child, recycling was only important at school. My teachers would always tell me that recycling was good for the earth. But, I didn't really show any concern, because my parents never really mentioned recycling until I got older. I started recycling aluminum cans, because I found out that companies paid money for recycled cans. The first time I took my cans to be recycled I got forty dollars, so naturally it became a regular hobby of mine. Not only did the money impress me, but also ...
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  • Readers Digest Sound Waves
    2,571 words
    There are many differences between Dolphins and Porpoises. People might think that the two are the same mammal, but they are not. Dolphins have cone-shaped teeth and porpoises have spade-shape teeth. The easiest way to tell them apart is that the porpoise is smaller in size and is broader across the back. Dolphins are classified in the Delphinidae species and there are thirty to fifty different kinds of species in this family (Min asian 204). The Porpoises are classified under the Phoceonidae fa...
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  • Declining Clarity Of A Jewell Exploring Lake Tahoe
    2,172 words
    Figure One -- Tahoe Region Map Page 3 A Lake Clarity -- Introduction to Causes Page 5 Figure Two -- Sec Depth Chart Page 6 A Figure Three -- Population Graph Page 7 A Water Inflow and Algae Growth Page 9 Figure Four -- Water Cycle Flow Chart Page 10 A Maps and Graphs -- References Page 17 Lake Tahoe is the pristine jewel of the West Coast, known around the world for its beauty. The Lake Tahoe area was even in the spotlight for the winter Olympic Games at Squaw Valley in 60 's. Over the decades w...
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  • Sulfur Dioxide Carbon Monoxide
    2,121 words
    ... ne Office (GEF/UNDP), a programme executed at the Ministry of Environment, includes among others formulation of required laws, covering other industrial sectors for a complete phase out of ODS, as well build the capacities of the various national participants of this programme. Strategy related to transboundary air pollution is not elaborated yet since Lebanon is a not a signatory of the Convention on Transboundary Air Pollution, which is still restricted to European countries. Decision-Maki...
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  • Internal Combustion Engine Twenty Five Years
    1,716 words
    ... can be made to fit these smaller cars making them inaccessible to some cars and trucks, safety will increase because of the maneuverability and low speed of the NEV and because of their small size there will be more space available to be put to other uses. These NEV's will lead to non-industrial neighborhoods. Neighborhoods will keep the industrial world and all of its problems out by making the roads smaller so they handle only NEV traffic. Households will tend to "run" less and instead of ...
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  • Clean Water Act Parts Per Million
    3,121 words
    When most people think of wetlands the first thing that will pop into their mind will be visions of swamps and flooded plains. These marshy lands would seem to have no purpose, while in reality they are the most precious form of ecosystem that we have in America. Wetlands contribute to biodiversity, clean water, flood control, and provide a habitat for millions of species of plants and animals. Even with all this wetlands still face mass destruction, much like the rain forests they are just as p...
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  • Clean Water Act Source Of Water
    694 words
    Non-point Water Pollution has always been a major problem throughout the world, especially the United States. The lack of suitable water used for drinking, agriculture, farming, etc. has declined through the years. With a shortage of water in most of the United States, proper methods of treating an recycling water is the key goal in sustaining our limited water resources supply. Most people believe that the largest source of water pollution comes form a pipe, which originates from factories and ...
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  • Industrial Revolution Environmental Problems
    688 words
    Environmental Welfare: Are we protected? We are a world free of pollution, or are we? Everyday you walk outside you " re exposing yourself to the environment. Our environment is made up of many pollutants in the air, water, and other major environmental structures. You should be concerned about your welfare every time you breath air or drink that water at a local restaurant these things are not always healthy as you may think. Though America has made laws and programs to protect and preserve our...
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  • Al 2000 P Oxygen Molecules
    2,956 words
    Membrane Processes Human exposure to pollutants in the air, water, soil and food-whether in the form of short-term, high-level, or long-term, low-level exposure-is a main cause of increased morbidity and death. However, the disease burden attributable to these exposures is not known with any degree of certainty because levels of general environmental pollution fluctuate greatly, methods for analyzing the relationships are incompletely developed, and the quality of available data is generally poo...
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  • Ground Level Ozone Environmental Protection Agency
    3,001 words
    Atmospheric Pollution Abstract Air or atmospheric pollution is just one of the many forms of environmental contamination which is brought about by mostly irresponsible human activities that is damaging and spoiling our planet. One particular environmental problem which arises from within atmospheric pollution is the emergence of the phenomenon referred to as urban heat island. The effects of this particular urban air pollution is widespread and impact covers air quality, the health of the popula...
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  • Air Pollution Future Generations
    1,132 words
    Air Pollution Before dealing with air pollution, a basic definition of pollution must first be made. Pollution has its origins in the Latin word pollute, which means contamination of any feature of the environment (web). Photochemical smog, emissions, chemicals, etc. are all instances of pollutants and most all of them donate to the air pollution dilemma. Almost all air pollutants are the consequence of burning fossil fuels, this could be in the home, by industry or internal combustion engines. ...
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  • Air Pollution And Ozone Part 1
    1,750 words
    Air Pollution and Ozone Depletion The year is 2007. The ozone hole over Antarctica has expanded each year and has now become a severe global threat. Sometime in July several hundred large airplanes head out on a dangerous mission over the sunless Antarctic continent. Their goal: to spray 50, 000 tons of ethane into the stratosphere in an attempt to stop the ozone hole from forming as the austral spring approaches. Though it may sound like the plot for a new Arnold Schwarzenegger movie, this idea...
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  • Rise In Sea Level Atmospheric Co 2
    1,132 words
    Global Warming Debate The global warming is caused by emissions of over 20 gases into the atmosphere. The major contributors are carbon dioxide (CO 2), ozone, methane, nitrous oxide and chlorofluorocarbons (CFCs). Although these gases are produced by many industrial processes, the major source is the burning of fossil fuels in boilers, furnaces and automobile engines. When released into the air in large quantities, these gases cause the earths atmosphere to warm by trapping the suns heat. Infrar...
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  • Low Birth Weight Nitrogen Dioxide
    1,290 words
    Air Pollution Air pollution is one of the most dangerous problems of our times. Problems caused by pollution can be local and minor because of the Earth's own ability to absorb pollutants. The industrialization of society, the introduction of motorized vehicles, the explosion of the population are factors sharpening the growing air pollution problem. Carbon monoxide, nitrogen oxides and particulate matter belong to pollutants found in most urban areas. These pollutants are dispersed throughout t...
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  • Environmental Protection Agency Ground Level Ozone
    1,487 words
    Death of a Planet Air pollution is a very big problem in the United States. A large part of air pollution comes from cars. The Environmental Protection Agency says, The most polluting activity an average person does everyday is drive their car (1 factsheet OMS- 5). Most people probably arent aware that they are polluting the environment. Maybe if everyone knew how serious this pollution problem is, they would find ways to reduce the pollution. Most pollution that is released by cars comes from t...
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  • Fossil Fuels Carbon Dioxide
    966 words
    Justin Greenwood May 15, 2001 Thinking Like a Mountain Environmental Issues Project The Destruction of Our Fragile Planet and the Possibility of Reform It is widely accepted that humans have been a major cause of environmental problems since we began creating our cities and especially since the Industrial Revolution of the 20 th century. All aspects of the Earth have been affected by humans desire to conquer and dominate the planet. Our impact has gone beyond pollution to altering the functionin...
    Free research essays on topics related to: power plants, growing population, fossil fuels, drinking water, carbon dioxide
  • Ground Level Ozone Environmental Protection Agency
    2,062 words
    Eng 102 December 4, 2000 Pollution Since the beginning of the 20 th century, environmentalists have been warning the world about polluting the earth and its consequences. While many countries have seriously attempted to reduce their pollution emission, others instead seem to be more concern about economic growth and production output. Therefore, pollution has been increasing since then. However, pollution must be reduced, otherwise life on earth will soon extinguish. Air pollution is one of the ...
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  • Directly Or Indirectly Human Beings
    1,956 words
    Marine Pollution: Affecting Tomorrows World Marine pollution, can be defined as: The introduction of man, directly or indirectly, of substance or energy into the marine environment, resulting in such effects as harm to living resources, hazards to human health, hindrance to marine activities including fishing, impairment of quality for use of sea water and reduction of amenities (Johnston, 1976). The ocean has been calculated to be about 2. 5 billion years old, nearly half the age of the earth. ...
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  • Nitrogen Oxides Nitrogen Dioxide
    1,758 words
    Gifted Chemistry IB Alternative Untitled Gifted Chemistry IB Alternative Assessment Photochemical Smog Historically, the term smog referred to a mixture of smoke and fog, hence the name smog. The industrial revolution has been the central cause for the increase in pollutants in the atmosphere over the last three centuries. Before 1950, the majority of this pollution was created from the burning of coal for energy generation, space heating, cooking, and transportation. Under the right conditions,...
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86 results found, view free essays on page:

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