... its many forms among the biosphere, atmosphere, oceans, and geosphere. There are four main reservoirs of stored carbon in the carbon cycle; namely (1) as carbon dioxide in the atmosphere; (2) as organic compounds in living or recently dead organisms; (3) as dissolved carbon dioxide in the oceans and other bodies of water; (4) and as calcium carbonate in limestone and in buried organic matter (e.g. ... by microbes in the absence of oxygen). The coal is then burned to produce electricity, and thus the carbon is returned to carbon dioxide in the air. Aquatic and marine plants absorb dissol...

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• Grade Level: Undergraduate

... inches has resulted from the expansion of the ocean water as a result of the warmer ocean temperatures. Scientists believe that the increase in greenhouse gas concentration, especially of carbon dioxide, is being caused by the combustion of fossil fuels and other human activities. Fossil fuels burned to run cars and trucks, heat homes and businesses, and power factories are ... responsible for about 98% of the total U.S. emission of carbon dioxide, 24% of the methane emissions and 18% of nitrous oxide emissions. Also contributing a significant share of emissions is the increase in agric...

• Word Count: 1193
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• Grade Level: Undergraduate

... inches has resulted from the expansion of the ocean water as a result of the warmer ocean temperatures. Scientists believe that the increase in greenhouse gas concentration, especially of carbon dioxide, is being caused by the combustion of fossil fuels and other human activities. Fossil fuels burned to run cars and trucks, heat homes and businesses, and power factories are ... responsible for about 98% of the total U.S. emission of carbon dioxide, 24% of the methane emissions and 18% of nitrous oxide emissions. Also contributing a significant share of emissions is the increase in agric...

• Word Count: 1177
• Approx Pages: 5
• Grade Level: Undergraduate

... inches has resulted from the expansion of the ocean water as a result of the warmer ocean temperatures. Scientists believe that the increase in greenhouse gas concentration, especially of carbon dioxide, is being caused by the combustion of fossil fuels and other human activities. Fossil fuels burned to run cars and trucks, heat homes and businesses, and power factories are ... responsible for about 98% of the total U.S. emission of carbon dioxide, 24% of the methane emissions and 18% of nitrous oxide emissions. Also contributing a significant share of emissions is the increase in agric...

• Word Count: 1177
• Approx Pages: 5
• Grade Level: Undergraduate

... inches has resulted from the expansion of the ocean water as a result of the warmer ocean temperatures. Scientists believe that the increase in greenhouse gas concentration, especially of carbon dioxide, is being caused by the combustion of fossil fuels and other human activities. Fossil fuels burned to run cars and trucks, heat homes and businesses, and power factories are ... responsible for about 98% of the total U.S. emission of carbon dioxide, 24% of the methane emissions and 18% of nitrous oxide emissions. Also contributing a significant share of emissions is the increase in agric...

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• Grade Level: Undergraduate

... global warming is the greenhouse effect applied to the entire atmosphere and the greenhouse effect basically means how gases in an atmosphere affect the way that a closed system retains heat. Carbon dioxide plays a significant role in the greenhouse effect and global warming in a sense that plants need CO2 to survive. Also a great amount of CO2 is absorbed through natural processes. For ... a process or activity through which the gas is released into the atmosphere. Both natural processes and human activities release greenhouse gases. Carbon dioxide is released into the atmosphere when ...

• Word Count: 348
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• Grade Level: Undergraduate

... C, making it nearly unsuitable for us to survive. Since the Industrial Revolution, there has been a significant increase in the emission of greenhouse gases, the majority of which is carbon dioxide. Chlorofluorocarbon and sulfur hexafluoride, other greenhouse gases, were introduced into the atmosphere for the first time following the Industrial Revolution. With this increase of greenhouse gases, the balance of heat ... is shattered. Now greater amounts of heat are kept in the atmosphere causing the temperature near earth's surface to rise in a phenomenon known as global warming. The g...

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• Grade Level: Undergraduate

... air. The majority of these substances are released by the rigs on which the drilling equipment is based . These rigs release high levels of carbon dioxide into the atmosphere. It has been estimated that "A single offshore rig emits the same quantity of air pollution as 7000 cars driving 50 miles ... per day." Similarly, oil tankers, which are used to transport the extracted oil from the rig to shore, also contribute to carbon dioxide emissions. The build up of carbon dioxide gas in the atmosphere has been linked to global warming . Due to the high consumption of crude oil, offshore drilli...

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• Grade Level: Undergraduate

... . Methane for example is more dangerous then others. Methane (C3H8) has been proven to be around ten times worse as a greenhouse gas then carbon dioxide (CO2). According to the royal society of science the concentration of CO2 has gone up by 90 parts per million (PPM) since the 1800's. ... Scientists have also tested air bubbles trapped deep in the Artic and Antarctic to find concentrations of carbon dioxide. The above picture shows the basic carbon cycle. Carbon is produced as gas from animals, decomposing or by means of respiration, also from industry. The gas that is produced is ... ...

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... used to produce energy for automobiles, to provide heat, and fuel industrial manufacturing processes. Global warming is one of the most serious environmental issues related to fossil fuel combustion. Carbon dioxide, being a major by-product of fossil fuel burning is known as a green house gas. Green house gases absorb solar heat reflected off the earth's surface and retain the ... human activities, which add to the level of these natural gases. Rapid industrialization has increased fossil fuel emissions. (Fig.1) Atmosphere Solar Radiation Earth Radiation "This dramatic increase in carbo...

• Word Count: 902
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• Grade Level: Undergraduate

... know for certain that human activities are changing the composition of Earth's atmosphere. Increasing levels of greenhouse gases, like carbon dioxide (CO2), in the atmosphere since pre-industrial times have been well documented. There is no doubt this atmospheric buildup of carbon dioxide and other greenhouse gases It's well accepted by scientists that greenhouse gases trap heat in the Earth's atmosphere and tend ... and resources they need to cope with preventing and treating health problems. Very young children and the elderly adults will run the highest risks. Gases in the atmosphere...

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... greenhouse gases occur naturally in the atmosphere, while others result from human activities. Naturally occurring greenhouse gases include water vapor, carbon dioxide, methane, nitrous oxide, and ozone. Certain human activities, however, add to the levels of most of these naturally occurring gases: Carbon dioxide is released to the atmosphere when solid waste, fossil fuels (oil, natural gas, and coal), wood and wood products are ... and PFCs are the most heat-absorbent. Methane traps over 21 times more heat per molecule than carbon dioxide, and nitrous oxide absorbs 270 times more heat...

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• Grade Level: Undergraduate

Problems calling us to action It is now common knowledge that carbon dioxide emissions from our vehicles add to the greenhouse effect. But have we ever stopped to ponder what the greenhouse effect is and what ... that comes from a decombustion engine that creates environmental problems. Other gaseous emissions that we don't normally hear about are Nitrogen Oxides (NOx), Sulfur Dioxide (SO2), Hydrocarbons (HC), and Carbon Monoxide. Each one of these gases has there own set of environmental problems that come along with it. Nitrogen Oxide and Nitrogen ... Dioxide are irritants to the lungs, w...

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• Grade Level: Undergraduate

... determined that fracking is actually dirtier than coal. It appears that fracking has been touted as a clean-burning fuel because it produces less carbon dioxide than coal. One study by professors at Cornell University asserted that we should be more concerned about methane leaking into the atmosphere during hydraulic ... methane, which is a much more potent greenhouse gas, especially in the short term, with 105 times more warming impact, pound for pound, than carbon dioxide (CO2), which means that even small leaks make a big difference (Shackford). The study also estimated that as much as...

• Word Count: 1174
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... need to invest more time and financial support to research what could potentially improve and perfect hydraulic fracturing. According to the carbon dioxide information analysis center (CDIAC), the United States ranks second in fossil fuel related carbon dioxide emissions with 1.55 billion tons of carbon dioxide emitted per year (Boden). This much emission of greenhouse gases cannot benefit the environment; and regardless of whether one thinks ... ...

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... usage. Also, the supply of geothermal energy is continuous and will not be fluctuated by any political or economical factors. Geothermal fields produce only about one-sixth of the carbon dioxide that a natural gas fueled power plant produces and extremely small amount of sulfur bearing gases. Geothermal power plants are highly reliably and can operate 24 hours a day. Most ... plants operate more than 95 percent of the time. Geothermal energy offers an environmentally benign source of electricity. Geothermal power plants meet the most stringent environmental regulations and release little ...

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... the most persistent promoters of information on global warming (Nobel Prize recipient Al Gore) reaching celebrity status, we are seeing a startling net increase in the emissions of the greenhouse gas Carbon Dioxide and a revitalized political commitment to dependence on oil, foreign and otherwise. Scary Science We are seeing such staggering figures as 9.34 billion tons of ... carbon dioxide in our atmosphere, which figures to a 3% increase of emissions in a single year (2006-2007). The IPCC (Intergovernmental Panel on Climate Change) came nowhere near that figure when predicting the wor...

• Word Count: 706
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• Has Bibliography
• Grade Level: Undergraduate

... the most persistent promoters of information on global warming (Nobel Prize recipient Al Gore) reaching celebrity status, we are seeing a startling net increase in the emissions of the greenhouse gas Carbon Dioxide and a revitalized political commitment to dependence on oil, foreign and otherwise. Scary Science We are seeing such staggering figures as 9.34 billion tons of ... carbon dioxide in our atmosphere, which figures to a 3% increase of emissions in a single year (2006-2007). The IPCC (Intergovernmental Panel on Climate Change) came nowhere near that figure when predicting the wor...

• Word Count: 708
• Approx Pages: 3
• Has Bibliography
• Grade Level: Undergraduate

... social benefits. Some good reasons to use biomass as a sustainable fuel: correctly managed, biomass is a sustainable fuel that can offer a significant reduction in net carbon emissions compared with fossil fuels, biomass can be sourced locally, on an indefinite basis, contributing to security of supply and Woodlands, forestry and agriculture are generally ... Instead it releases what would be released naturally as the organic matter decomposed. So, by burning biomass fuels we release no more carbon dioxide than would have been produced in any case by natural processes such as crop and pl...

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• Grade Level: Undergraduate

... cars run of fossil fuels such as diesel and gasoline and produce 25% to 75% of the chemicals that pollute the air. Fossil fuels release hydrocarbons like carbon monoxide and carbon dioxide when they are combusted. "Carbon dioxide accounts for over 80% of the total greenhouse emissions in the United States."" (www.transportation.ani.gov) Hydrocarbons are causing the ozone to deplete and global warming ... ...

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... elaborate discussion on the specific failure scenario that leads to low-temperature-induced brittle failure. The work noted that an alarm has been raised over the observation that leaks in Carbon Dioxide Pipelines could systematically escalate to a serious case of propagating fracture. This, they noted, is due to the extremely large drop in temperature that is linked to the expansion of either ... heat transfers as "ambient." It is clear that within the immediate vicinity of the given leak, the pipe's surface may be exposed and be surrounded by the escaped carbon dioxide gas as opposed ...

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... in and making the earth warmer. The more gas, the hotter the earth gets. Since the Industrial Revolution huge amounts of gasses such as carbon dioxide, methane, nitrous oxide and halocarbons. "The primary human-produced source of carbon dioxide is the burning of fossil fuels: coal, oil, and natural gas. These fuels are widely used in electricity generation, transportation, and industry" ( Britannica ... ...

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... we've seen an upswing in extreme weather events. Hurricanes, droughts, floods, forest fires, ocean acidification, rising sea-levels will all continue to worsen until we curtail the emission of carbon dioxide and methane. Therefore, with a greenhouse gas emitting activity such as fracking, we need to take the externalities, or indirect effects such as damages inflicted on people and the environment into ... of toxic wastes present in the environment increases, posing a greater risk of human and wildlife contamination. Also, the process of hydraulic fracturing requires the transportation ...

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... and ocean which pollutes the water and kills the aquatic water forms. The increase in population leads to increase in more factories and car use which causes the more carbon dioxide in the atmosphere. Carbon dioxide is also known as "Greenhouse Gas." The Greenhouse Gases trap the heat in the atmosphere which leads to global warming. All ecological issues that we face today are ... ...

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... shockwaves around the world, and cast major doubts on the feasibility of the nuclear energy in our world today. Yet, as our fossil fuel reserves continue to deplete and our carbon can be a potential solution to the energy crisis we are set to face in the next half of the decade. However, as our world changes and new alternate energy is ... due to the non –polluting nature of nuclear energy. At the turn of the century, carbon emissions have shot up to dangerous levels that can hurt our development. The release of greenhouse gases like carbon dioxide into the atmosphere during the burni...

• Word Count: 884
• Approx Pages: 4
• Grade Level: Undergraduate