Essay Title: 

The Greenhouse Effect and Global Warming

March 26, 2016 | Author: | Posted in life sciences, physics

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The Greenhouse Effect and Global Warming

Global warming connotes the increase in the average temperature of the atmosphere , oceans and landmasses of the earth . Its causes though multifarious , have been mainly attributed to the combustion of fossil fuels , which release what are termed as greenhouse gases . With increasing density of these gases there is a corresponding increase in the atmospheric temperature , which becomes a better thermal insulator The prediction of meteorologists is that by the year 2010 the Earth [banner_entry_middle]

‘s temperature will register an increase of 1 .4 – 5 .80C . The main causes for this increase in green house gases are the increasing amounts of certain gases emitted by fossil fuel burning and other such human activities (Hart , Global Warming

1 . Name an important greenhouse gas and describe some human activities that add it to the atmosphere Carbon dioxide is a major contributor to the greenhouse effect . Some of the human activities that contribute to the increase of carbon dioxide in the atmosphere are respiration and the burning of coal and oil

2 . Name a second important greenhouse gas and describe some human activities that add it to the atmosphere

Nitrous oxide is another important greenhouse gas . There are several anthropogenic sources of nitrous oxide some of these are fertilizer fields , animal excreta , fossil fuel combustion , trash incineration traffic and some industrial activities ‘ The major contributor is agriculture and industrial processes

3 . Name a third important greenhouse gas and describe some human activities that add it to the atmosphere Natural gas mainly consists of Methane . The main human activities that result in its production are oil and gas production , coal mining and the rearing of cattle because cattle emit 600 liters of methane per diem

4 . What is the main reason that sea level will rise if the average temperature of the Earth ‘s surface rises Increase in the average temperature in the earth ‘s surface results in a gradual melting of the polar ice caps , glaciers and ice bergs . This results in an increase of the sea level . Moreover , water expands on heating and this effect also contributes to increase in the sea level

5 . Describe one way a non-industrial country might be contributing to the threat of global warming

Certain agricultural practices result in the emission of greenhouse gasses . Some of these are cultivation of rice and rearing livestock . The major contribution is due to deforestation . Since , these countries are not industrialized they are compelled to use wood as fuel and lumber Moreover , the cleared forest provides space for the cattle to graze and land for growing crops 6 . Describe two natural processes that remove carbon dioxide from the atmosphere

Afforestation is a process which drastically reduces carbon dioxide levels in the atmosphere . This is due to the fact that the process of photosynthesis takes place in the green leaves of the trees which comprise forests 7 . Describe a way of removing one of the greenhouse gases from… [banner_entry_footer]


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