Thursday, February 26, 2009

Introduction to Global Warming

Everyone agrees that our planet is getting warmer. It has been shown that Earth’s average surface temperature is increasing. The greenhouse gases help to keep the planet within a habitable range. They are made of several components including water vapor, oxygen, carbon dioxide and other.
Carbon dioxide has shown increase in the atmosphere over the last century which leads to increase in temperature. This is mostly due to the burning of the fossil fuels such as coal, oil and natural gas. The burning of fossil fuels are mostly use in the industrial area and all kinds of transportation, such as cars, buses, train, and airplane. Cutting down the rainforest is another thing. Forests are responsible for absorbing much of the carbon dioxide in the atmosphere.
Some believe that global warming is simply a short term situation caused by natural processes the planet. On other hand, it may be shown that there is relationship a between increasing the planet temperature and carbon dioxide levels.

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