... had increased about 0.5 degrees C since the late 19th century (within a range of 0.3 and 0.6 degrees C). The IPCC used this and other data gathered from fossil records, ice core drillings, tree ring analyses, marine sediment cores and the like to develop global weather models designed to account for past global temperature changes and predict future temperature scenarios. Prominent ... temperature maps. Several scientists have taken measurements over the past 5 years that also suggest that "heat islands- caused by urbanization have distorted thermometer readings. Several studies of ice c...

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... heat the atmosphere. They found that "levels of human-sourced emission dwarf anything produced by even the largest recent eruptions (e.g. Krakatoa) and the ice-core record shows that, while records of past massive eruptions are preserved as layers rich in volcanic dust and sulphur dioxide, there are no ... areas are the most attractive for oil companies, because they propose uncurtailed production of oil and gas. On the other hand, the process of ice removal is also a sphere of concern (Greens Call New Oil, 2005), because it ruins ecosystem of the region and resulted in warmer ... treatm...

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... of seas. As the earth gets warmer, there will be a rise in the average water level of the oceans. Two factors will cause this rise: thermal expansion and melting polar ice caps. As water is heated, it expands, or increases in volume. According to theory, global warming could cause thermal expansion of the ocean waters, which in turn would cause sea ... rest will come from the melting of glaciers. Glaciers are large, thick masses of slow-moving ice that persist from year to year. They cover about a tenth of the earth's land surface. The vast ice sheets of Antarctica and Greenland account...

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... of seas. As the earth gets warmer, there will be a rise in the average water level of the oceans. Two factors will cause this rise: thermal expansion and melting polar ice caps. As water is heated, it expands, or increases in volume. According to theory, global warming could cause thermal expansion of the ocean waters, which in turn would cause sea ... rest will come from the melting of glaciers. Glaciers are large, thick masses of slow-moving ice that persist from year to year. They cover about a tenth of the earth's land surface. The vast ice sheets of Antarctica and Greenland account...

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... of the eastern two-thirds of the United States in 1999. Coastal regions, where half the human population lives, will feel the adverse effects of rising sea levels as the ice caps melt under rising ocean temperatures. If the present melting continues, the sea could rise as much as 6 feet by the middle of the next century. Melting glaciers, early ... ice thaw rising global temperatures will speed the melting of glaciers, and ice caps, and cause early ice thaw on rivers and lakes. The area of the Arctic covered by sea ice declined by about 6 percent between 1978 and 1995. Arctic ice thickn...

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... is just another part of a natural cycle. (Smith 5) One scientist even mentioned that the temperature increase might be a rebound from a slight Ice Age in 1950- 1980. (Parsons 5) There are many causes behind global warming. Countless years of research have been devoted to pinpointing the specific ... period of warmth until 1950. Starting in 1950 and ending in 1980 global temperature models showed a decrease in the average temperature suggesting another Little Ice Age. Carbon dioxide levels have also decreased having people think that maybe the temperature and CO2 levels have something in...

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... the biotic world primarily through a process known as photosynthesis, which will be explained fully later on. It returns to the atmosphere through respiration, decay and burning. A unique process known as ice-core research has allowed scientist to accurately estimate levels of gases in the atmosphere for nearly the last 1 million years. Put simply ... , ice-core research involves drilling deep into the glacial ice in places such as Greenland and Antarctica and analysing the air trapped in the ice. This research shows that carbon dioxide concentration in the atmosphere has remained relati...

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... -wide concern. 3.2 Small Average Global Temperature Can Have A Big Impact Just a few degrees increase in the earth's temperature can cause droughts and crop failures, ecosystem imbalances, as well as melting ice caps causing sea levels to rise. The best estimates by the CSIRO predict annual warming over Australia by 2030 to be ~1 °C. (Climate Change in Australia CSIRO Report) WWF's report &tilde ... they died, it implied oxygen levels were low and signaled mine workers to get out. Satellite observations show the arctic sea ice decreasing, and projections for the rest of the century pred...

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... its 100,000 year trip. The Earth's tilt also changes just a few degrees over a period of 40,000 years or so, but enough to change the position of the polar ice caps relative to the Sun. Finally, the procession of the equinoxes also moves the poles closer to or further away from the Sun over a period of approximately 23,000 years ... studied and the idea of global warming was first introduced. But, during 1940 through the 1970's, worldwide cooling dampened scientific interest in the greenhouse effect. Some climatologists even predicted a new ice age. So in light of all this evidence, is ...

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... join with other chemicals that are already there. During Antarctica's long, dark winter time, lower temperatures in the stratosphere cause ice crystals to form in the air. When the sun reappears over the horizon in October, it acts on the ice crystals and starts reactions between ozone and CFCs. So when the chemical reactions happen, the ozone breaks down(Fisher34). During the ... by us, could cause the Earth's surface to warm up to a dangerous degree. Even a little rise in temperature might lead to at least a small amount of melting of the polar ice caps and then a major rise in sea le...

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... of the earths biosphere into disharmony, ultimately risking human and wildlife life. The increased temperature could result in the melting of the artic ice caps. As Ellen Fast of the Environment says, "Recent satellite surveillance indicates that the ice cap at the North Pole has been retreating at a longterm rate of about 3 percent per decade. More recently, almost 1.2 million square kilometers of ... ice melted away between 1978 and 2000 (a loss of 9 percent per decade). This area is five times the size of Great Britain." (Fast. 7). The increase of green house gases in the ... ...

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... continues at the current rate" (Effects). A section, larger than the state of Rhode Island, around 40 percent of the 12,000 year old ice shelf in Antarctica - Larson B - collapsed in March of 2002 (Antarctic). "The area covered by sea ice [in the Arctic Ocean has] declined by about 6 percent from 1978 to 1995" (Global, Impact). In the past several decades a 40 percent ... decline in Arctic Sea-Ice has been measured (EPA, Impacts). "During 82 years on record, four out of the five earliest thaws on the Tanana River occurred in the 1990's" (Global, Impact). With the melting ... ...

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... , in theory, one of the greatest threats to test the capabilities of mankind. Its effects are predicted to be catastrophic: dramatic climate changes, leading to the melting of the polar ice caps and great rises in sea level. This could flood islands and cause major life loss. Diseases are likely to spread more easily due to rises in temperature. Natural systems ... of many inches. But as global temperatures continue to increase, it is assured that mountain glaciers, as well as the great masses of ice and snow that cover Greenland and the continent of Antarctica, will melt. As the ice cov...

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... , in theory, one of the greatest threats to test the capabilities of mankind. Its effects are predicted to be catastrophic: dramatic climate changes, leading to the melting of the polar ice caps and great rises in sea level. This could flood islands and cause major life loss. Diseases are likely to spread more easily due to rises in temperature. Natural systems ... of many inches. But as global temperatures continue to increase, it is assured that mountain glaciers, as well as the great masses of ice and snow that cover Greenland and the continent of Antarctica, will melt. As the ice cov...

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... gases to a lower level, global temperatures could rise 1.6 to 6.3 degrees Fahrenheit by the year 2100. This would represent the fastest rate of global warming since the end of the last ice age more than 10,000 years ago. With the increased warming of the Earth it could lead to catastrophic events that could endanger living things on our planet. One event ... enough money to pay the price for food. Another event that would occur from global warming is the drastic rise in sea level. As the Earth warms up, the polar ice caps will start to melt. This would put immense amounts of water into ...

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... to modest avail. John L. Daly from Britain has been working for years on the greenhouse effect and has come to some intriguing conclusions. To paraphrase Daly, I have lived through the `ice age' of the 1970's, the `nuclear winter' of the 1980s, and now the `global warming' scare of the present. It is my view that this industry has, acted against the ... that might be just as convincing as the global warming trend figures. Not to be redundant, but first off if the overall temperature of the world were rising then the ice caps would melt and the sea level would rise. However, it has not. ...

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... gases to a lower level, global temperatures could rise 1.6 to 6.3 degrees Fahrenheit by the year 2100. This would represent the fastest rate of global warming since the end of the last ice age more than 10,000 years ago. With the increased warming of the Earth it could lead to catastrophic events that could endanger living species on our planet. One event ... enough money to pay the price for food. Another event that would occur from global warming is the drastic rise in sea level. As the Earth warms up, the polar ice caps will start to melt. This would put immense amounts of water into...

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GLOBAL WARMING Introduction Global warming is a topic that is often talked about today. Whether is about the Kyoto accord or the melting of the polar ice caps, it is impossible for a person who is not deaf or blind and has an IQ higher that a chimpanzee to miss it. However, before we jump to conclusions, we must ... will be no crop yield there. Second, there will be a vast increase in deserts as well as a vast shortage of water. Third, an increase in Temperature will cause the Polar ice caps to melt and so vast flooding around the world will occur (Vancouver Island will cease to exist). Many...

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... climate system is unequivocal, and since the 1950s, many of the observed changes are unprecedented over decades to millennia. The atmosphere and ocean have warmed, the amounts of snow and ice have diminished, and sea levels have risen." (n.d., 2014). Third states, "In recent decades, changes in climate have caused impacts on natural and human systems on all continents and ... ...

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... the copious amounts of greenhouse gases and human activities, the heat continues to stay within the atmosphere causing serious effects to the environment. Some of these effects could be, Antarctic ice caps to melt, which can lead to heavier floods and increase water levels. There can be even more unpredictable results if people do not try to reduce the damage. Furthermore ... ...

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... corn yields in the second half of the century and rainfall could decline by as much as 30 percent in certain major river basins10. As the earth gets warmer, the ice glaciers will melt, causing a rise in the sea level. If the sea level were to rise by one meter, a chunk the size of the country of Portugal of China's eastern ... ...

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... either due to the temperatures or the rise in sea level. Also, penguin populations have shrunk by 33 percent in the past 25 years due to "declines in winter sea-ice habitat"(nrdc). These facts show how global warming is harming our planet. The greenhouse gas emissions rate for the United States in the year 2000 was 14.2 percent above 1990 ... ...

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... weigh each gas by its Global Warming Potential (GWP). (www.epa.gov) The Greenhouse Effect and Climate Weather stations, balloons, ocean buoys, and satellites tell us the Earth's temperature today. Ice cores, sediment layers and tree rings tell us about what the Earth's climate has been like in the past. With this evidence, scientists are learning how climate changes over time ... ...

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... have forced many plants and animals to adjust their ranges upward in elevation and towards their respective poles. (Cunningham, 2000) Glaciers have been retreating at an alarming rate, and lake ice covers in the higher latitudes of the Northern Hemisphere last fourteen fewer days than they did at the beginning of the century. In the Northern Hemisphere, warming has caused earlier ... ...

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... . To know that one day the polar icecaps could melt is a scary thought. If global warming continues to increase and raises the earth's atmospheric temperatures, the melting of the polar ice caps could become a reality. This would cause horrific devastation to many parts of the world. There would be floods, record heat waves, and destruction of aquatic life, scorched forests and ... ...

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