Definition of Global Warming

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Climate change / Global warming is a long term change in weather pattern. The span of this may longer from decades and even millions of years. Recently, climate change has been referred as an increased rate of the temperature of earth surface.It has been caused by the trapping of some inferred radiation that enters in earth from sun by green house gases. this gas prevents some radiation escaping the earth atmosphere and then back on the earth surface causing the average temperature of our earth to rise. That is "Global Warming" The International Panel on Climate Change comprising finds in a report that increased level of greenhouse gas concentrates on carbon DI oxide , Methane Nitrous Oxide and CFC and that results from human activity fossil fuel burning and spoiling the forest are responsible for that rising temperature. This activity has started from 1950. Rise of temperature has resulted in the melting of Ice caps, the rising of sea levels and turbulent weather.