The greenhouse effect occurs when greenhouse gases like carbon dioxide, methane, nitrous oxide and fluoride gases synergize with sun’s energy. These gases are composed of more than three atoms and it’s this atomic structure that enables them to trap the atmospheric heat which is absorbed by the earth’s surface.Another major factor responsible for the greenhouse effect is ‘condensation’. Along with greenhouse gases, water vapor also plays a major role in the circulation of the greenhouse effect. Water vapor reacts to the changes in temperature and air pressure by evaporating or condensing into rain or snow and returning to earth’s surface. It this form of water vapors adds to the increase in the greenhouse effect.

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green house is anenclosed region made of glass in whichdelicate plants are kept for growing. Sun\’s rays pass though the glass in the greenhouse. The infra red rays reelected by earth surface inside the greenhouse are not allowed to escape due to the glass walls Thus, air inside the green house becomes warmer. In a similar manner, atmosphere acts like a green house wall for earth. The gases such as co2, methane, ozone, etc. Are green house gases. These allow sun\’s rays to enter the earth\’s atmosphere and reach earth surface. But they prevent the reflected infra red rays from escaping the earth. This is called green house effect….
Global warming refers to the increasing temperature of the Earth’s climate system and its related effects. Scientific evidence has conclusively proven that the Earth’s temperature is in fact rising and has risen by 0.85oC. This has an impact has affected different regions differently. The effects include rising sea levels, retreating glaciers, loss of sea ice in the poles, warming global temperatures, changing precipitation, expansion of deserts, etc.This raises significant threats for humans such as food security from decreasing crop yields, submergence of a low-lying area due to the rising sea. To prevent irreversible damage to the delicate ecosystems on Earth, scientists have decided that global warming should be limited to a maximum of 2.0oC relative to pre-industrial levels. The greenhouse effect plays an important role in the rising temperature. And hence to restrict global warming we need to limit the greenhouse effect and the gaseous emissions that cause the greenhouse effect.Fourteen of the fifteen years in the 21st\xa0century have been the hottest years on record with constant occurrences of extreme weather, cyclones, droughts, floods, etc. All these events are some way or the other have an association with the greenhouse effect and global warming.