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Complete IPCC List of Greenhouse Gases

This is a complete list of Greenhouse Gasses as defined by the IPCC.

Gases relevant to radiative forcing only (per IPCC documentation)

Gas	Alternate Name	Formula	1998 Level	Increase since 1750	Radiative forcing (Wm²)
Carbon dioxide		(CO₂₎	365ppm	87 ppm	1.46
Methane		(CH₄)	1,745ppb	1,045ppb	0.48
Nitrous oxide		(N₂0)	314ppb	44ppb	0.15
Tetrafluromethane		(CF₄)	80ppt	40ppt	0.003
Hexafluoroethane		(C₂F₄)	3 ppt	3ppt	0.001
Sulfur hexafluoride		(SF₆)	4.2ppt	4.2ppt	0.002
HFC-23*	Trifluoromethane	(CHF₃)	14ppt	14ppt	0.002
HFC-134a*	1,1,1,2-tetrafluoroethane	(C₂H₂F₄)	7.5ppt	7.5ppt	0.001
HFC-152a*	1,1-Difluoroethane	(C₂H₄F₂)	0.5ppt	0.5ppt	0.000

Gases relevant to radiative forcing and ozone depletion (per IPCC documentation)

Gas	Alternate Name	Formula	1998 Level	Increase since 1750	Radiative forcing (Wm²)
CFC-11	Trichlorofluoromethane	(CFCl₃)	268ppt	268ppt	0.07
CFC-12	Dichlorodifluoromethane	(CF₂Cl₂)	533ppt	533ppt	0.17
CFC-13	Chlorotrifluoromethane	(CClF₃)	4ppt	4ppt	0.001
CFC-113	1,1,1-trichlorotrifluoroethane	(C₂F₃Cl₃)	84ppt	84ppt	0.03
CFC-114	1,2-dichlorotetrafluoroethane	(C₂F₄Cl₂)	15ppt	15ppt	0.005
CFC-115	Chloropentafluoroethane	(C₂F₅Cl)	7ppt	7ppt	0.001
Tetrachloromethane	Carbon tetrachiloride	(CCl₄)	102ppt	102ppt	0.01
1,1,1-trichloroethane		(CH₃CCl₃)	69ppt	69ppt	0.004
HCFC-141b	1,1-Dichloro-1-Fluoroethane	(C₂H₃FCl₂)	10ppt	10ppt	0.001
HCFC-142b	1-Chloro-1,1-Difluoroethane	(C₂H₃F₂Cl)	11ppt	11ppt	0.002
Halon-1211	Bromochlorodifluoromethane	(CClF₂Br)	3.8ppt	3.8ppt	0.001
Halon-1301	Bromotrifluoromethane	(CF₃Br)	2.5ppt	2.5ppt	0.001

(Source: IPCC radiative forcing report 1994 updated (to 1998) by IPCC TAR table 6.1 [1]. See also [2].

Last updated: 06-05-2005 06:39:09

10-26-2009 08:16:03
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