What is Green House Effects, Green House Gases & Types

The 50% energy from the sun is absorbed in the earth’s surface while remaining 50% is sent back to the troposphere again. This energy is in the form of photons the energy packets containing heat and light of sun. Solar energy is really helpful for human beings and plants in order to grow. However too much of this heat can also create serious threats for human health and result in climate changes. The negative effect of heat on earth is known as the green house effect.

 

The Reason of Greenhouse Effect
The one major reason of green house effect is the presence of harmful gases in the air like carbon dioxide, nitrous oxide, methane and water vapors. The huge quantities of carbon dioxide can be greatly contributed the activities of the human beings. For example the unbalanced industrial units, artificial heating and cooling equipments, cutting of trees and immense deforestation. The amount of carbon dioxide is even more than the amount of oxygen in the air which is essential for the survival of mankind. Over the period of 10 years the amount of carbon dioxide is increasing at the rate of 30% every year. This presence of carbon dioxide and other gases block the heat in the earth’s atmosphere which results in the change in climate and global warming. The burning of fossils like gas and oil in the factories and in the engines emit many harmful gases in the air which is the cause of green house at large.

 

Green House Effects
Green house method was used to grow plants in an environment which can allow the light of the sun to enter in day and trap the heat of the sun for the survival of the plant. Our planet earth is also like a nursery which is dependent on the sun for its growth and survival. However the widespread pollution has disturbed the eco- system and we are left with the negative effects of green house. We are surrounded by the layer of oxygen which is known as ozone. It is this layer which protects us from the harmful rays of sun. The ultra violet radiations from the sun can destroy human skin and can cause skin cancer. The radiation of the sun is reflected back into the atmosphere. However the presence of carbon dioxide blocks some of the radiations to escape thus we suffer global warming and changes in climate.

 

The Major Gases of the Green House and Effects of green house gases
The presences of green house gases at large either absorb or emit the radiation within the thermal infrared array. These gases contain carbon dioxide, nitrous oxide, methane, water vapors, ozone and chlorofloro carbons. It is the presence of these gases which allow the heat of the sun to enter and escape the earth’s atmosphere. The contribution of water vapors in total green house effect is 36% to 72%. The contribution of carbon dioxide is 9 to 26%. Methane is present in the quantity ranging from 4 to 9%. Last but not least ozone is present in the percentage from 3 to 7%. The heat emission and absorption capacity of different gases is different. The presence of water vapors in the form of clouds has more than 60% role in the green house effect. The presence of water vapors as clouds surround the earth and blocks the escape of heat. The industrial activities have disturbed the balance of green house gases and the combination of other harmful gases have increased the amount of heat in the earth’s atmosphere and hence we are left with the problems of global warming and pollution.

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