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Chlorofluorocarbons Cfcs Nitrogen Oxides
1,336 wordsDramatic loss of ozone in the lower stratosphere over Antarctica was first noticed in the 1970 's by a research group from the British Antarctic Survey (BAS) who were monitoring the atmosphere above Antarctica from a research station. The Halley Research Station BAS research stations in the Antarctic Rumor has it that when the first measurements were taken in 1985, the drop in ozone levels in the stratosphere were so dramatic that at first the scientists thought their instruments were defective....
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Ozone Depletion Ozone Layer
5,350 wordsFrom: (Robert Parson) Newsgroups: sci. environment, sci. answers, news. answers Subject: Ozone Depletion FAQ Part I: Introduction to the Ozone Layer Organization: University of Colorado, Boulder Expires: Sun, 1 Feb 1998 00: 00: 00 GMT Message-ID: 67 rss$ Summary: This is the first of four files dealing with stratospheric ozone depletion. It provides scientific background for the more detailed questions in the other three parts. Keywords: ozone layer cfc stratosphere depletion These files are pos...
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The Ozone A Hole In Theory
2,357 wordsThe protective ozone layer around our world undergoes much thought and debate. The "Hole", however, only exists in the minds of environmental, self-serving scientists and politicians. It interests many to find all the faults in the publics consensus of the "ozone depletion. " Most scientists do not believe in this "depletion", they think it is a natural phenomenon. Ozone gasses come into view as consideration over what gasses are actually accused for this awful crime of destroying the ozone. But...
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The Ozone A Hole In Theory
2,446 words... Watson, head of the ozone trends panel a supporter of the CFC banning: "Probably more people would die from food as a consequence of inadequate refrigeration than would die from depleting ozone. " An environmental scientist knowingly sending 20 - 40 million people to their deaths yearly! Banning CFCs would not only kill 20 - 40 million a year it will also lower the health of the remaining living people, by causing world-wide hunger, and food-borne diseases (Howard)! These are the type of peo...
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Chlorofluorocarbons Cfcs Ozone Depleting
1,295 wordsThe ozone layer is one of the oldest things on the planet, older than any of the ancient creatures we see in our museums today. The ozone layer has provided protection for the living components under it for millions of years, and without the ozone layer, we most likely would not be here today. Our evolution would have been cut off millions of years ago without our planets ability to provide protection from the ever-harmful rays from our sun. Each year since the late 1970 s much of the protective...
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Website N P People Who Live
2,206 wordsGlobal Warming: a True Phenomenon That Threatens Our Delicate Ecosystem It seemed nothing could forecast heat and drought that stroke Mediterranean countries in 2005. On contrary, in March Western European countries were trembling from cold and gloomily cast a glance at dark snowy sky mixed up with rain. People were surprised by so-called global warming. Really, winter turned out to be unusually cold, and spring came considerably late. However, this circumstance can serve no refutation of thesis...
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Air Pollution And Ozone Part 1
1,750 wordsAir 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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Greenhouse Gases Ultraviolet Radiation
421 wordsDiscovery of the hole in the ozone layer showed that human activity has a major impact on Earth. The destruction of ozone in the stratosphere high above the planets surface has been brought about as the result of the widespread use of chemicals, which under normal conditions are chemically inert and harmless. Ozone occurs at all levels in the atmosphere, but most of it is found in the stratosphere, between about 15 - 50 kilometres above the Earths surface. Even there it occurs in minute concentr...
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Fossil Fuels Greenhouse Gases
405 wordsGlobal Warming We have an obligation to weigh the risks of inaction against the cost of action. In that regard, global warming is no different than any other problem. But global warming is novel in one respect. It brings with it the possibility of global disaster, and we have only one Earth to experiment on. Michael Oppenheimer, Senior Scientist of the Environmental Defense Fund The glass panes of a greenhouse and the Earths atmosphere are both transparent to sunlight-they let in the suns energy...
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Ozone Depletion Ozone Layer
2,469 wordsThe Potential Effects of a Depleted Ozone Layer And God said, let there be light and there was light and then God saw the light, that it was good (Genesis 1: 3 - 4). Undoubtedly, light is good. Without light man could not survive. Light is the ultimate cosmic force in this universe allowing man to progress and flourish. In the form of heat, light from the sun warms the Earth. Light, also, is the single most important factor influencing the growth and development of plants. Photosynthesis, a proc...
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Environmental Protection Agency Ozone Depletion
1,137 wordsThe ozone layer diminishes more each year. As the area of polar ozone depletion (commonly called the ozone hole) gets larger, additional ultraviolet rays are allowed to pass through. These rays cause cancer, cataracts, and lowered immunity to diseases. 1 What causes the depletion of the ozone layer? In 1970, Crutzen first showed that nitrogen oxides produced by decaying nitrous oxide from soil-borne microbes react catalytically with ozone hastening its depletion. His findings started research on...
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Nitrous Oxide Greenhouse Gasses
3,082 wordsThe Global Warming Global Warming The world is getting hotter. 1998 was the hottest in one thousand years, and the nine hottest years on record have all been in the past two decades. Humankind's actions on a global scale have changed not just the landscape of the Earth, but the worlds climate too. Increasingly sophisticated measurements of the worlds climate and weather systems have provided a wealth of evidence that the Earth has been getting steadily warmer. Since the beginning of the industri...
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Natural Greenhouse Effect Greenhouse Gases
1,722 wordsWhat is global warming, and how is it affecting the Earth and its inhabitants? Global Warming is sometimes referred to as the greenhouse effect. The greenhouse effect is the absorption of energy radiated from the Earths surface by carbon dioxide and other gases in the atmosphere, causing the atmosphere to become warmer. The greenhouse effect is what is causing the temperature on the Earth to rise, and creating many problems that will begin to occur in the coming decades. For the last 10, 000 yea...
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Washington D C Ozone Hole
1,498 wordsThe reappearance of the ozone hole over Antarctica has been a hot topic for scientist around the world. A few of these scientists are the atmospheric physicist Richard D. Mc Peters and several of his colleagues at the NASA Goddard Space Flight Center in Greenbelt. The ozone hole showed up earlier than expected, and it was wider and thinner. It appeared in mid-August, about two weeks ahead of schedule, and on September 19 reached the record size of 10. 5 million square miles, more than three and ...
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Upper Atmosphere Ozone Layer
591 wordsOzone, 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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Parts Per Million Chlorofluorocarbons Cfcs
3,718 wordsIntroduction Orbiting Ozone Layer Ozone Layer Introduction Orbiting above the Earth, an astronaut can look down on our home and see the thin blue ribbon that rims our planet. That transparent blanket our atmosphere makes life possible. It provides the air we breathe and regulates our global temperature. And it contains a special ingredient called ozone that filters deadly solar radiation. The Atmosphere The gaseous area surrounding the planet is divided into several spherical strata separated by...
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Nj Prentice Hall Green House Effect
1,910 wordsSome scientists have proclaimed that the human race is slowly depleting the layer of ozone which protects us from ultra violet light. In reality, humans have very little control of the world in which we live. Scientific evidence has shown that there is very little depletion in the ozone layer and the contributions the human race makes towards this depletion is and always will be insignificant compared to nature. The theories of the depletion and what it would cause are flawed and contradictory. ...
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Stratospheric Ozone Ozone Layer
2,496 wordsThe Atmospheric Ozone Layer The stratospheric ozone layer exists at altitudes between about 10 and 40 km depending on latitude, just above the tropopause. Its existence is crucial for life on earth as we know it, because the ozone layer controls the absorption of a portion of the deadly ultraviolet (UV) rays from the sun. UV-A rays, including wavelengths between 320 and 400 nm, are not affected by ozone. UV-C rays between 200 and 280 nm, are absorbed by the other atmospheric constituents besides...
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