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Greenhouse Gases & Lifetime in Years
Carbon Dioxide 200
Methane 12
Nitrous Oxide 120
CFC-11 45
CFC-12 100
CFC-13 640
CFC-113 85
CFC-114 300
CFC-115 1700
HFC-23 264
HFC-32 5.6
HFC-41 3.7
HFC-43-10mee 17.1
HFC-125 32.6
HFC-134 10.6
HFC-134a 14.6
HFC-152a 1.5
HFC-143 3.8
HFC-143a 48.3
HFC-227ea 36.5
HFC-236fa 209
HFC-245ca 6.6
Perfluoromethane 50,000
Perfluorethane 10,000
Perfluoropropane 2,600
Perfluorobutane 2,600
Perfluoropentane 4,100
Perfluorohexane 3,200
Sulphur hexafluoride 3,200
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