http://www.study-aids.co.uk/essays.html Global warming is usually refers to when the temperature of the earth rises, or heats up. The cause of this is when water vapor, carbon dioxide, methane and nitrous oxide, commonly known as green house gases, trap light and heat from the sun in the atmosphere of the earth. This then increases the temperature. Global warming is already happening, because the earth is already showing several changes in the climate, all over the world (Schneider, 2002). A greenhouse, is whereby the temperature increases due to the trapped heat and light from the sun in the atmosphere of the earth, but cannot escape, and as result, the temperature increases. During this effect, the plants would not be able to take up heat, causing the animals, humans included, would have less to eat and they would all die of hunger eventually (Archer, 2012). Global Warming Global warming is already affecting parts of the world. This is because, the excessive heat makes the sea t...
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