Q.One greenhouse gas contributes 14% of total global warming and another contributes 60%. These are respectively identified as :
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The overall greenhouse effect is driven by several gases that absorb and re-radiate infrared radiation, but they do not all contribute equally. Carbon dioxide, released mainly by fossil-fuel combustion, deforestation and industrial processes, is both the most abundant and (cumulatively) the single largest contributor to global warming among these gases, commonly cited at about 60% of the total effect. Chlorofluorocarbons, entirely artificial compounds once widely used as refrigerants, propellants and solvents, are present in the atmosphere in far smaller quantities than CO2, but each CFC molecule has a very high global-warming potential (it absorbs infrared radiation far more strongly, molecule for molecule, than CO2), so CFCs are typically credited with about 14% of total global warming despite their low concentration -- this is also why the Montreal Protocol specifically targeted CFCs f …
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