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  • Acid Rain And North America - 1,891 words
    Acid Rain And North America In the past century, one of the greatest threats to North America's aquatic ecosystem has been the widespread acidification of hundreds of thousands of waterways. Acid rain has effected plant and animal life within aquatic ecosystems, as well as microbiologic activity by affecting the rates of decomposition and the accumulation of organic matter. What causes this poisonous rain, and what can be done to improve North America's water quality and prevent future catastrophes? To answer these questions, we must first examine the cause and formation of acid rain, as well as understand ways to decrease or prevent its formation. Formation of acid rain. Acid deposition, mo ...
    Related: acid, acid rain, america, north america, rain
  • Acid Rain Legislation - 824 words
    Acid Rain Legislation Acid Rain Legislation Acid rain is a destructive force as a result of nature and man colliding. It is formed through harmful industrial emissions combining with contents of the earth's atmosphere; a dangerous combination. This prompted governments throughout North America to take action. Many laws and regulations have been implemented, yet the question still remains, Should tougher legislation be implemented to force industries to reduce acid rain emissions? To decide whether tougher legislation should be implemented, one must first understand the details of what exactly acid rain is. Acid rain is a result of mankind's carelessness. It travels a long one of the most eff ...
    Related: acid, acid rain, legislation, rain, power plants
  • Air Pollution - 1,493 words
    ... ures have in fact been rising, and the years from 1987 to 1997 were the warmest ten years on record. Most scientists are reluctant to say that global warming has actually begun because climate naturally varies from year to year and decade to decade, and it takes many years of records to be sure of a fundamental change. There is little disagreement, though, that global warming is on its way. Global warming will have different effects in different regions. A warmed world is expected to have more extreme weather, with more rain during wet periods, longer droughts, and more powerful storms. Although the effects of future climate change are unknown, some predict that exaggerated weather condi ...
    Related: air pollution, pollution, pollution control, lung disease, more effective
  • Air Pollution Report - 1,203 words
    ... es not affect all parts of the world. It is most common in a city such as Los Angeles where these weather conditions exist. Ozone depletion is looked upon as a problem that up till now, we can not fix. Air pollution has caused this hole in the ozone layer. The ozone layer absorbs 99% of the sun's harmful energy. It prevents ultraviolet radiation from reaching the Earth's surface and the troposphere. It protects humans from sunburn, skin and eye cancer, and cataracts. It also prevents much of the oxygen in the troposphere from being converted to ozone (gas). In the mid-seventies chemists F. Sherwood Rowland and Mario J. Malian discovered CFC's were creating a global chemical time bomb by ...
    Related: air pollution, pollution, pollution control, pollution prevention, management program
  • Effects Of Acid Rain On North Americas Aquatic Ecosystems - 1,898 words
    Effects Of Acid Rain On North America's Aquatic Ecosystems In the past century, one of the greatest threats to North America's aquatic ecosystem has been the widespread acidification of hundreds of thousands of waterways. Acid rain has effected plant and animal life within aquatic ecosystems, as well as microbiologic activity by affecting the rates of decomposition and the accumulation of organic matter. What causes this poisonous rain, and what can be done to improve North America's water quality and prevent future catastrophes? To answer these questions, we must first examine the cause and formation of acid rain, as well as understand ways to decrease or prevent its formation. Formation of ...
    Related: acid, acid rain, americas, aquatic, aquatic ecosystems, ecosystems, north america
  • Introduction - 1,185 words
    ... nal air pollution legislation appeared until the 50's. The first federal legislation appeared in 1955 when the Air Pollution Control Act was passed. In 1965 the Motor Vehicle Air Pollution Act was passed, establishing national automobile emission regulations for the first time. Then the Air Quality Act of 1967 was passed, providing funds for additional federal research and designating air quality control regions to help establish air pollution criteria. Another goal of this act was to research the cost -effectiveness relation of available engineering control techniques. Later, during the 70's National Air Quality Standards were set for the major pollutants. Primary standards were set for ...
    Related: economic problem, twentieth century, pollution control, sunlight, sulfur
  • Love Canal Environmental Disaster - 1,649 words
    Love Canal- Environmental Disaster Love Canal Loves Model City The Model City (tune of Yankee Doodle) Everybodys come to town, Theyr building now a great big ditch, Those left we all do pity, Through dirt and rock so gritty, For well have a jolly time, They say twill make all very rich At Loves new Motel City Who live in Model City This tale I tell is no less true, Our boys are bright and well to do, Though in a silly ditty, Our girls are smart and pretty, They give free sites and power too, They can not help it nor could you, In Loves new Model City If you lived in Model City Then come and join our earnest band, All who are wise and witty, Heres out heart and heres our hand, To build the Mo ...
    Related: canal, disaster, environmental, environmental conservation, environmental protection, environmental protection agency
  • Rise And Fall Of The Nova Scotia Coal Industry - 1,537 words
    ... sulfur dioxide (SO2). This gas is toxic and can be severely irritating to the eyes and lungs. In the atmosphere sulfur dioxide combines with water vapour to produce sulfuric acid which is then removed through precipitation and it falls to earth as acid rain. There are presently methods available that are able to remove some of the sulfur from coal prior to burning but the process is expensive and only partially successful. Another alternative is burning low sulfur coal but more often than not this coal is lower quality coal and more of it must be burnt in order to get the same output of energy (Montgomery, 1990). It is also possible to remove the sulfur gases after the coal is burnt but ...
    Related: coal, coal mining, mining industry, nova, nova scotia
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