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Greenhouse effect and global warming - Essay Example

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Greenhouse effect and global warming

There has been a considerable increase in the average temperature of earth in the past century. This rise in temperature is attributed to the effects of global warming brought about by the accumulation of greenhouse gases in the atmosphere. This phenomenon is called Global Warming. (In the news, Global Warming.org).The global warming has happened in the past few years and is evident from the rise in mean temperature of the earth's atmosphere. The main causes for the global warming are attributed to release of green house gases by human activities. The main gases contributing to green house effect are carbon dioxide, water vapor, methane and nitrous oxide. The largest producers of these gases are the thermal power plants, which burn the fossil fuels and produce these gases in large quantities. The second biggest sources of these green house gases are the road vehicles and industries. The global warming has led to increase in mean earth surface temperature and thus melting of polar ice. There are frequent melt down of glaciers that result in floods and other natural calamities. The melting of ice at the poles had led the mean sea level. And further increase in temperature may further melt the ice and lead to further increase in mean sea level, which will engulf low lying countries. (Global Warming facts, Global Warming.org).
HOT (or warm) TOPIC as Always!
Well, Global warming has always been in news for some time around due to several factors (including comical) and was even referred in the Daryl Cargle cartoon Global chaos-Halloween 2008 as one of the demons in the Halloween night who scare today's population. On the contrary this principle has been exploited so skillfully by ecological scare-mongers that it is now regarded as politically incorrect, even unscientific, to denounce global warming hysteria as unproven speculation. In his latest exciting and provocative techno-thriller State of Fear, Michael Crichton exposes a scintillating revelation, regarding the way ecological groups have twisted data and facts to create mass anxiety. He points out that we know astonishingly little about the environment. All sides make exaggerated claims. "We know that atmospheric carbon is increasing. We are also in the midst of a natural warming trend that started in 1850 at the end of what is called the Little Ice Age. It is scientifically impossible to prove whether the subsequent warming is natural or man-made." Greens say, rightly, that the best scientific assessment today is that global warming is occurring. Yet never in history have scientists accurately predicted what will happen 100 years later. A century ago no scientists predicted the internet, microwave ovens, TV, nuclear explosions or antibiotics. It is impossible, even stupid, to predict the distant future. That scientific truth is rarely mentioned. Why Because the global warming movement has now become a multi-billion dollar business with thousands of jobs and millions in funding for NGOs and think-tanks, top jobs and prizes for scientists, and huge media coverage for predictions of disaster.
Something worth a laugh!
The "Discovery" channel recently produced a documentary on Greenland's alleged "melting glaciers." Oh boy! Here we go again with Global Warming. It's ...Show more

Summary

One of the widely discussed chaos of the recent times, global warming, is the progressive increase in global temperatures caused by the emission of additional heat being trapped by greenhouse gases. The green house gases like carbon dioxide, methane, and nitrous oxide are considered playing hazards in the present times…
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Greenhouse effect and global warming essay example
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