Global warming and greenhouse effect are the major environmental issues catching the attention of everyone because of the clear climate changes. Greenhouse effect is considered as the natural process however going very fast nowadays and has become very serious because of some human activities. Greenhouse effect caused by the green house gases has to do a lot with the global warming. Green house gases are human released gases through many activities like deforestation, industrialization, use of electricity in every area of work, and so many. There are some natural sources of releasing green house gases however they are in balance. Greenhouse effect is continuously altering the temperature of earth’s surface.