Global warming is the increase of the average temperature of the earth’s atmosphere.This increase results in drastic negative climate changes.Such changes are usually initiated as a result of the greenhouse effect.
The greenhouse effect is when the earth’s atmosphere traps radiation from the sun due to the presence of various gases such as Carbon dioxide, methane and water vapour whichallows the atmosphere to absorb heat radiated from the surface.
Be sure to take a look at our Enviornmental Tips post in theJuly 2009 icon on the sidebar to find out various initiatives which can easily be launched to prevent global warming.
Reference
Abbas Karimjee's Weblog 
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