The Greenhouse Effect - 1,061 words
While some people believe the earth's climatic changes are due to the fact that the universe is getting older, others believe it is due to the greenhouse effect. The greenhouse effect is a naturally occuring phenomenon that is responsible for trapping heat near the earth's surface and keeping the planet warm. It is called the greenhouse effect because the way it works is similar to the way in which a green house functions. In a greenhouse sunlight passes through the transparent roof and walls and strikes the objects inside- plants, flowerpots, tables, and so forth. These objects absorb energy from sun, become warmer, and then give off energy themselves in the form of heat. Only a little of t ...
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Greenhouse Effect - 1,002 words
Greenhouse Effect On a bright, cool day, most people notice the sun's rays as feeling good on their skin. By nature, many of us even try to stay on the sunny side of the street while walking. The sun is 93 million miles away from earth and its energy travels to us in moving waves called radiation. The energy becomes heat, light and other energy too. Visible sunlight allows us to see the world around us, but there is invisible sunlight, too. These rays can't be seen, but some can be felt as heat. They are called ultraviolet rays, and they are what changes the appearance of the skin, like wrinkles and even cancer. I discovered a blanket of gases known as the atmosphere surrounding our planet. ...
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The Greenhouse Threat - Fact Or Fiction - 410 words
Is global warming real? Im sure this seems like quite an absurd question to many people. With the accumulation of hard evidence for global warming and our supercharging greenhouse effect most people have already taken for granted that the problem truly exists. There are, however, a small, almost unheard of group of people who are convinced otherwise. One such person is William Robert Johnston. His article on http://www.sitewave.net/news/s49p1354.htm clearly shows his scepticism towards global warming. He has come up with his own evidence that the average temperature of the earths surface only rose by a tiny 0.8 F over the past century. He also points out that the temperature rise was ...
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The Dangerous Reality Of The Greenhouse Effect - 1,404 words
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 fact sheet OMS-5). Most people probably aren't 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 the exhaust, mainly in the form of hydrocarbons (1 fact sheet, OMS-5). Hydrocarbons are organic compounds, a combination of two or more elements, that contain only carbon and hydrogen (2 fact sheet, OMS-5). Hydrocarbo ...
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Dangers Of The Greenhouse Effect - 818 words
When a person starts their car or does a very small and simple thing the last thing that they are thinking of are the consequences it has to the atmosphere. Because of the continuous changing of the society, the earth has to get used to several different problems. Even though the atmosphere is known to be good because it protects us from the deadly radiation from the sun, it also takes that same heat and engulfs the earth in it. The greenhouse effect refers to the light energy that is trapped by the gases in the atmosphere, and the gases convert the light energy into heat energy. Although most of this heat energy redirected into space, the earth traps enough of it to heat the atmosphere, or ...
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Greenhouse Effect - 1,256 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 coevolved at an almost inconceivably slow pace to create a climate in which human beings and other creatures could flourish." (Franscesca 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 carbon cycle. We are intensifying the natural greenhouse effect and turning it into a "planetary menace" when it actually makes human life possible. Thus, the German climatologist Wilfred Bach writes, ...
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Another Greenhouse Effect - 328 words
atmosphere is to insulate and warm the surface of the earth. The greenhouse effect is not a new phenomenon. Humans can help reduce the increasing greenhouse effect. The atmosphere insulates and warms the surface of the earth. Incoming solar radiation passes through the atmosphere. The surface of the earth absorbs some of the radiation. The unabsorbed radiation is emitted back out in the form of infrared radiation. Gases, such as, carbon dioxide, methane, nitrous oxide, and water vapor absorb the reflected infrared radiation. These gases re-emit infrared radiation, some of which the earth absorbs. The greenhouse effect is the absorption of infrared energy by the surface of the earth and the a ...
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Could The Greenhouse Effect Cause More Damage? - 505 words
John Harte is an ecologist from the University of California at Berkley. He is trying to find out whether heat stimulates further trace-gas from solid or not. He is going to conduct an experiment that will tell him if the greenhouse effect could start a cycle that would cause the effects to be worse than already predicted. The experiment will begin December of 1996 and will run for no less than three years. Harte has stretched a twelve foot high grid of cables above 300 square yards of land in a high mountain meadow in the middle of the Colorado Rockies. The cables are supported by four steel towers, one at each corner of the grid. Hanging down from the cables are ten infrared heat lamps whi ...
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Social Responsibilities Of Business - 1,680 words
Social responsibility is the concept that business is part of the larger society in which it exists and must therefore act in a way that not only advances the firm, but also serves the society. More than ever firms are being challenged to integrate social responsibilities in to their operations. Many firms now believe that social responsibility to be a lot more than granting money to community groups or volunteering their time to organizations - although these are both important ways that firms support the community. Today, business leaders recognize that a commitment to corporate social responsibility can provide distinct advantage in attracting and retaining employees, dealing with supplie ...
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Landfills - 1,511 words
When asked to think of the largest man made structure, people will invariably come up with an answer like The Great Wall of China, the Great Pyramids, or the Taj Majal. In contrast to these striking achievements of mankind is the Durham Road Landfill outside San Francisco, which occupies over seventy million cubic feet. It is a sad monument to the excesses of modern society [Gore 151]. One must think this huge reservoir of garbage must be the largest thing ever produced by human hands then. Unhappily, this is not the case. The Fresh Kills Landfill, located on Staten Island, is the largest landfill in the world. It sports an elevation of 155 feet, an estimated mass of 100 million tons, and a ...
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Save The Rainforests - 1,585 words
The destruction of the rainforests is one of the most crucial environmental issues of our time. It is also one of the most misunderstood and neglected. There has been so much propaganda and publicity attached to this crisis that Save the Rainforests is becoming almost as clich as Save the Whales. Why dont we take this problem more seriously? Is it because we, as Americans, simply dont understand the devastating, long-terms consequences that continued deforestation of the rainforests would have? Is it because our own government is involved in the deforestation, either directly or by financing its development? Or is it because we live in a society of excessive consumption, oblivious to the pro ...
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Global Warming - 723 words
I've chosen the topic: 'Global Warming' to analyze because it has become a major scientific and social issue during the past decade. Global Warming-the increase in greenhouse gasses- has captured broad public attention. It should be investigated because it would easily demage the nature and many soico-cultural aspects of life. In the following paragraps, I will introduce you some of the writers, such as Vaclav Smil, Ross Gelbspan ,John Bongaarts and Jennifer Mccullough and their approaches to this global problem. My starting point will be in giving you the issues mainly discussed by these writers. First of all, although these commentators differenciate in their approaches, they all agree tha ...
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Stuff - 449 words
The problem of global warming, an increase in the average temperature on Earth, is getting worse. The Earth has warmed 0.3 to 0.6 degrees Celsius since the late 1800s. Scientists believe that the cause is the greenhouse effect, the process of trapping heat in the Earth's atmosphere because of the presence of large amounts of carbon dioxide, chlorofluorocarbons, methane, and nitrogen oxides. Less oxygen is being produced and cleaning the atmosphere allowing more of these gases to do its work on the environment. Automobiles exhausts are just one of the contributors to this problem. The burning of fossil fuels is another major influence to the increase in global temperature as well. The destruc ...
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Current Problems In Antarctica - 611 words
If all the ice in Antarctica melted, it would raise the level of the world's oceans by over 200 feet (60 meters). The possibility of this happening in the near term is not seriously considered by scientists, for the Antarctic icecap is currently believed to be in equilibrium. However, meteorologists studying the ramifications of global warming and the greenhouse effect expect there to be a decrease in sea levels in the short term -- a matter of decades -- of about 2 millimeters per year. This will be due to an increase in the amount of water vapor in the air as a result of higher air temperatures and will lead to greater snow fall on the continent. Over the longer term higher global air temp ...
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Environmental Hazards - 1,289 words
Every thing present in this universe is a part of environment including ourselves. Whether they are animals , living thing, or nonliving things. All of the external factors affecting an organism. These factors may be other living organisms (biotic factors) or nonliving variables (abiotic factors), such as water, soil, climate, light, and oxygen. All interacting biotic and abiotic factors together make up an ecosystem. Organisms and their environment constantly interact, and both are changed by this interaction. Additionally, environmental factors, singly or in combination, ultimately limit the size that any population may attain. This limit, a population's carrying capacity, is usually reach ...
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Global Warming - 681 words
The consequences of global warming have by now come to the attention of the majority of the population of the United States of America. The gradual warming of the earths atmosphere is due to an increased amount of carbon dioxide released into it. The burning of fossil fuels, oil, coal, and natural gas are the main activities that release carbon dioxide into the atmosphere. Americans add carbon dioxide to the atmosphere every time they drive their car, use a chainsaw, or use electricity produced at a fossil fuel power plant. The increased temperature due to the effects of global warming can be disastrous. Low lying areas and islands are in danger of being overcome by increased water levels in ...
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Policy Memo Global Warming - 1,815 words
Global Warming Is A Serious Issue That Should Have Immediate Attention As Vice President Al Gore has said about the threat of global warming, it is "the most serious problem our civilization faces" (2). It has become quite an issue internationally because of the threat of increasing greenhouse gasses. It is these gasses, when released into the air, accumulate and then trap the heat inside our atmosphere. Our climate is greatly affected by this. Therefore, affecting all of the organisms on earth, including humans. Usually these gasses should be able to move out into the upper atmosphere, where they are not as harmful. There are three important greenhouse gasses: Methane primarily comes from ...
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Policy Memo Global Warming - 1,822 words
... in their distribution. There should be a mandated Fossil Fuel Efficiency Standard that would be applied to every generator of electricity in the country. It would set a "nationwide allowance for the average fossil fuel used per unit of energy produced and would also include a schedule of cutting fossil allowances in half over the next twenty years" (213). Afterwards, each year the allowance for fossil fuel to be used would be less from the year before. The companies would be forced to increase the efficiency of existing generators, close down the least efficient fossil fuel based generators, and try find new fossil generation that more efficient than the standard. Otherwise, they should ...
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Landfill - 1,537 words
What is the largest construction you can think of? Does a landfill come to your mind? Probably not. One of the largest buildings on the face of the earth is the Pyramid of the sun, constructed in Mexico and covers approximately thirty million cubic feet of space. Now if you think that is big just imagine an even larger structure: a landfill that occupies over seventy million cubic feet of biosphere, we are talking about the Durham Road landfill, outside San Francisco. It is a sad monument, indeed, to the excesses of modern society [Gore 151]. One might assume such a monstrous mound of garbage is the largest thing ever produced by human hands. Unhappily, this is not the case. The Fresh Kills ...
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Climatic Change - 4,160 words
This paper looks at the controversial issue of climatic change. In particular, it develops the question of if and why earths climate is changing? The roles of man, naturally occurring trends, and earths cycles are considered, and an outlook for what can be expected in the near and distant future is given. The uneasiness of modern man arises from a rupture between himself and nature that leaves him homeless within the universe... Over the past years most individuals have become acutely aware that the intensity of human and economic development enjoyed over the 20th century cannot be sustained. Material consumption and ever increasing populations are already stressing the earths ecosystems. Ho ...
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