Saturday, May 1, 2010

Green House Gases

The environmental conditions of earth are solely responsible for our existence on it. Without proper and favorable environmental conditions, we cannot even imagine our survival on earth. The ultimate atmosphere of earth, which contains a layer of gases, protects life on the ‘Green Planet’ by absorbing ultraviolet solar radiation, warming the surface through heat retention (greenhouse effect), and reducing temperature extremes between day and night.

However the major part of the air is composed of nitrogen, oxygen, and argon, there are many other gases, often referred to as ‘Green House Gases’ that are responsible for making the planet a place suitable for existence of life by holding the heat of sun so that the temperature of the earth could support life on it. So, we can say that, there is a big role of green house gases for the survival of the life elements on Earth but what would be happen if the temperature becomes too high? In such conditions would there be any life on earth? Let’s simplify this; the green house gases support life but only when they are present in a particular concentration and they will no longer produce the same effect if there will be a change in their concentration.

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