Global Warming: Fact or Fiction? Assignment

Global Warming: Fact or Fiction? Assignment Words: 1257

Many consider global warming to be the largest threat facing the people of Earth, while others view it as nothing more than Liberal propaganda. Both sides have extremely well thought out arguments. According to Environmentalist there is a growing realization that human activities are threatening the health of the natural systems that make life possible on this planet.

While Non-believers claim that you can’t find a real scientist anywhere in the world who can look you in the eye, without hesitation, and say “yes, global warming is real. Whether you believe in global warming or not, you are bound to hear more about it. The theory of global warming itself is an old theory. Since the time of Napoleon, scientist have known about the green house effect- where gases such as carbon dioxide retain heat in the earth ‘s atmosphere, similar to how the glass panes in a greenhouse allow sunlight in but keep heat from escaping.

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As far back as 1896, Swedish chemist and Nobel laureate Savant Awareness had predicted that if the concentration of atmospheric carbon dioxide, which industry spews into the air by the millions of metric tons every ear, were to double, global temperatures would rise between 9 and 1 1 degrees Fahrenheit. Still, no one took global warming very seriously until 60 years later, when Charles Keeling began to monitor the levels of carbon dioxide in the atmosphere from the top of the mountain of Hawaii. At the time of Selling’s first measurement, carbon dioxide had already risen by 10% since Rhenium’s predictions.

By 1 990 the quantity of carbon dioxide in the atmosphere had risen by 20%. By the middle of the next century, at the current rate of carbon dioxide production, carbon dioxide concentrations in the atmosphere will eave doubled. Scientist had long reassured themselves that the world’s oceans would absorb any excess carbon dioxide in the atmosphere. They thought this would take place via a simple chemical reaction where the carbon dioxide combines with calcium ions dissolved in the water and precipitate down to the ocean floor as calcium carbonate. However, in 1957, just as Keeling was beginning to measure carbon dioxide levels in the atmosphere, oceanographer Roger Reveille determined that the oceans could absorb only a limited amount of carbon dioxide. With this safety cushion gone and Selling’s graph of carbon dioxide levels rising in a steep curve through the sass and into the sass, atmospheric scientist began in earnest to look into the question of global warming. ” (Bilged, Bustard) According to Environmentalist global warming is real and under way. Since the beginning Of the 20th century, Earth’s mean temperature has increased by about 1. Degrees Fahrenheit. Over the last 40 years, which is the period with the most reliable data, the temperature increased by about 0. 5 degrees Fahrenheit. Seven of the ten warmest years in the 20th century occurred in the sass. In fact, the hottest year since reliable instrumental temperature measurement began was 1998, when global temperatures spiked due to one of the strongest El Ions on record. As the earth continues to warm, there is a growing risk that the climate will change in ways that will seriously disrupt our lives.

While on average the globe will get warmer and receive more precipitation, individual regions will experience different climate changes, with different consequences for the local environment. One of the most severe consequences is a faster rise in sea level. Global sea level is rising here times faster over the past 100 years compared with the previous 3,000 years. Another consequence of climate change is more heat waves and droughts, which would result in more and more conflicts over water resources.

Other consequences of climate change include more extreme weather events, producing floods and property destruction; and a greater potential for heat-related illness and deaths, as well as the wider spread of infectious diseases carried by insects and rodents into areas previously free from them. Many people feel that there is no global warming at all, and that anyone ho tells you that scientific research shows warming trends, be they teachers, news casters, Congressmen, Senators, Vice Presidents, or Presidents, is wrong. Scientific research through U. S.

Government satellite and balloon measurements shows that the temperature is actually cooling, very slightly, . 037 degrees Celsius. In 1 936 the Midwest of the united States experienced 49 consecutive days of temperatures over 90 degrees. There were another 49 consecutive days in 1955. In 1992, there was only one day over 90 degrees and in 1997 only 5 days. Because of modern science and improved equipment, this “cooling” trend has been more accurately documented over the past 18 years. Ironically, that’s the same period Of time the hysteria has grown over dire warnings of “warming. Changes in global temperature are natural. In fact, recent severe weather has been directly attributed to natural phenomenon that occurs every so often called El Onion. It causes ocean temperatures to rise as tropical trade winds actually reverse for a time. The resulting temperature changes cause severe storms, flooding and even drought on every continent on earth. It’s completely natural. El Onion has been wreaking havoc across the globe since long before man appeared. Many Environmentalist warn that the polar ice cap is melting.

Well, as a matter of fact it is, and has been melting for about a million years or so. We are at the end of the ice age in which ice covered most of North America and Europe. “One environmentalist, named AY Gore, is panicking over the possibility that we may soon lose Glacier National Park in Montana because the ice is melting. One hates to tell him that we’ve already lost the glacier that used to cover the whole county. The truth is, someday humans may be able to take tropical vacations at the North Pole, and it will be perfectly natural. ” (www. Americanization. Erg) Many scientist are deciding not to jump on the global warming bandwagon. In 1 992, 500 scientist from around the world signed the Heidelberg Appeal, expressing their doubts and begging the delegates no to bind the world to any dire treaties based on global warming. Today that figure has grown to over 4000. A recent Gallup Poll of eminent North American Climatologists showed that 83% of them debunked the global warming theory. The United Nations released a report at the end of 1 996 claiming that global warming was a fact, yet before releasing the report two key paragraphs were deleted from the final draft.

Those two passages, written by scientist who did the actual scientific analysis said: 1. “None of the studies cited above has shown clear evidence that we can attribute the observed climate changes to increases in greenhouse gases. ” (BMW. Americanization. Org) 2. “No study to date has positively attributed all or part of the climate change to man-made causes. ” (www. Americanization. Org) Many view global warming as the greatest hoax ever perpetrated on the people of the world.

I myself do not believe that global warming is as big of a problem that scientist say it is. A lot of the facts just don’t add up. For example, one volcanic eruption disperses more greenhouse gases into the atmosphere then man could add from decades of driving. The global temperature is always changing, and there are periods of cooling and periods of warmth. Currently we are in the middle of a period of warmth, that is completely natural with the way the earth works. Global warming is nothing more than fear tactics used by Liberals to gain power.

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