Table

Emissions to air of greenhouse gases, by source¹
	1990
	Million tonnes CO2 equivalents	Million tonnes	1 000 tonnes		Tonnes
	Greenhouse gases total	Carbon dioxide (CO2)	Methane (CH4)	Nitrous oxide (N2O)	Hydrofluoro-carbons (HFCs)	Perfluoro-carbons (PFCs)	Sulphur-hexafluoride (SF6)
¹Does not include ocean transport and international air transport.
All sources	51.9	35.7	241.0	14.1	0.4	503.5	92.0
Oil and gas extraction - stationary combustion	7.5	7.5	2.3	0.0	0.0	0.0	0.0
Oil and gas extraction - process emissions	0.7	0.4	13.1	0.0	0.0	0.0	0.0
Manufacturing industries and mining - stationary combustion	4.6	4.5	1.0	0.1	0.0	0.0	0.0
Manufacturing industries and mining - process emissions	15.0	6.8	10.0	6.9	0.0	503.5	89.7
Energy supply	0.4	0.4	0.1	0.0	0.0	0.0	0.0
Heating in other industries	1.2	1.1	1.3	0.0	0.0	0.0	0.0
Heating in households	1.5	1.3	6.4	0.1	0.0	0.0	0.0
Passenger cars	5.2	5.1	2.9	0.2	0.0	0.0	0.0
Light duty vehicles	0.7	0.7	0.3	0.0	0.0	0.0	0.0
Heavy duty vehicles	1.8	1.8	0.1	0.0	0.0	0.0	0.0
Motorcycles and mopeds	0.1	0.1	0.1	0.0	0.0	0.0	0.0
Railways	0.1	0.1	0.0	0.0	0.0	0.0	0.0
Domestic aviation	1.0	0.9	0.0	0.0	0.0	0.0	0.0
Costal navigation	3.2	3.2	0.3	0.1	0.0	0.0	0.0
Motorized equipment etc.	1.3	1.2	0.4	0.1	0.0	0.0	0.0
Agriculture - enteric fermentation and manure	3.5	0.0	115.3	2.0	0.0	0.0	0.0
Agriculture - fertilizer and other	1.4	0.2	0.0	4.0	0.0	0.0	0.0
Landfill gas	2.1	0.0	82.5	0.0	0.0	0.0	0.0
Road, tyre and brake wear and abrasion of railway contact wires	0.0	0.0	0.0	0.0	0.0	0.0	0.0
Products containing fluorinated gases, solvents etc.	0.2	0.1	..	..	0.4	0.0	2.3
Other	0.5	0.2	4.8	0.5	0.0	0.0	0.0