exports drive tropical deforestation”). As modernization conquers us‚ we use unnecessary things that contribute to Ozone depletion. Things like the air-conditioning unit‚ aerosol and other beauty and hygiene products emit CFC or Chlorofluorocarbon‚ an organic compound that contributes to ozone depletion in the upper atmosphere. Another thing that contributes widely to the ozone depletion is the increased air pollution. The average American spends the equivalent of eight 55-hour work weeks behind
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equipment and other large machineries‚ especially if it’s in a large population area‚ as our actions on the construction site could affect the local community. Ozone quality: Ozone is a gas that shields the earth’s and occurs naturally in the earth’s upper atmosphere. It protects the earth from harmful ultraviolet radiation. Without the Ozone layer there would be no life on earth! Chemicals such as
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undesirable gases such as carbon monoxide and sulpher dioxide. All borne particles in solid‚ liquids and gaseous form. The pollution in atmosphere has tendency to form their layers and sinks in atmosphere. The chlorofluorocarbons which come from aerosol sprays nuclear weapons‚ refrigerators etc.‚ have caused a hole in the ozone layer of atmosphere. This hole is allowing increased amount of ultraviolet radiation reaching our earth. The above mentioned factors have really degraded the environment and
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technical knowlidge ‚ we are using more and more natural and sinthetical materials. Often we want only to make our life easier‚ but we don’t think of the following consequence. Also we can find one fridge in a flat‚ but the result of these can be the ozone layer depletion and teh increas of the average temperature int he whole world. Our loving for the comfortable life causes pollution and destroyes our health. Int he city the children can’t play in the parks because they are very dirty. Some of these
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emitted from factories‚ cars‚ lorries and other vehicles. Te use of CFCs (chlorofluorocarbon) in many our daily equipments such as refrigerators and spray aerosols cause the depletion of the ozone layer that functions to protect us from the harmful effect of the sun and cosmic rays. The depletion of the ozone layer will increase the exposure of the dangerous cosmic rays to human and thus will increase the incidence of skin cancer. What can we do or at least minimize these problems? Responsible governments
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Sun and the Earth’s interior 1.6 2. Nitrogen and oxygen make up 99% of the volume of clean‚ dry air. Nitrogen: 78%‚ Oxygen: 21% 4. Ozone is a form of oxygen that combines three oxygen atoms into each molecule. Its presence of the ozone layer in our atmosphere is crucial because it absorbs the potentially harmful ultraviolet radiation from the Sun. 1.7 3. Ozone depletion seriously affects human health‚ animal life‚ and plant life. 4. The Montreal Protocol represents a positive international
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My views of the environment are rooted in my belief in creation. I do not believe that life on earth began spontaneously‚ nor do I believe that the earth is so delicately balanced. I don’t believe that the earth and its ecosystem are fragile. Many radical environmentalists do‚ they believe man can come along‚ all by themselves and change everything for worse. After hundreds of millions of years‚ they believe that we are the last two generations of human existence. And they think we can destroy
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i-01-LBI-861758 8/23/04 3:19 PM Page i NASA/Science Photo Library/Photo Researchers i-01-LBI-861758 8/23/04 3:20 PM Page ii The Air Around You This satellite image shows Hurricane Bonnie‚ which struck North Carolina in 1998. The storm was nearly 400 miles wide‚ with the highest recorded wind gust at 104 mph. Overall damages were estimated in the $1.0 billion dollar range‚ and three deaths were attributed to the Category 3 storm. Copyright © 2005 by The McGraw-Hill
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refrigerators‚ and millions might die from food poisoning. Is that justified by saving the stratospheric ozone? It is justified because there are feasible alternative refrigeration systems that don’t emit chemical compounds that are harmful to the ozone layer. Less known refrigerants such as ammonia (NH3)‚ Carbon dioxide (CO2) and propane (C3H8) have no impact at all on global warming as well as on the ozone layer. Not only are they environment friendly‚ they are also “better than with other systems‚” said
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for foams and packing materials‚ as solvents‚ and as refrigerants. They are classified as Halocarbons‚ a class of compounds that contain carbon and halogen atoms‚ and are amongst a group of substances called "greenhouse gases". They eat away at our ozone and raise the temperature of our planet significantly‚ causing detrimental damage to our planet. Chlorofluorocarbons (CFC’s) are a man-made substance that did not previously exist to the industrial area. They are a product of a collaboration of
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