Table A1-1: Results of the key category level analysis for 99 percent of the total emissions and removals in 2004

Return to the point in the document where this table is located.

(a) Tier 1 category level assessment - including LULUCF
IPCC categories	Gas	2004 estimate Gg	Level assessment	Cumulative total
Forest land remaining forest land	CO₂	26254.43	25.4	25.4
Emissions from enteric fermentation in domestic livestock	CH₄	23714.98	23.0	48.4
Mobile combustion - road vehicles	CO₂	12416.93	12.0	60.4
Emissions from agricultural soils - animal production	N₂O	7248.77	7.0	67.4
Emissions from stationary combustion - gas	CO₂	7031.32	6.8	74.2
Emissions from stationary combustion - solid	CO₂	5808.96	5.6	79.9
Indirect emissions from nitrogen used in agriculture	N₂O	3271.38	3.2	83.0
Emissions from stationary combustion - liquid	CO₂	2755.47	2.7	85.7
Direct emissions from agricultural soils	N₂O	1806.29	1.7	87.5
Emissions from the iron and steel industry	CO₂	1731.51	1.7	89.1
Emissions from solid waste disposal sites	CH₄	1509.12	1.5	90.6
Mobile combustion - aviation	CO₂	1192.23	1.2	91.7
Conversion to forest land	CO₂	747.94	0.7	92.5
Emissions from manure management	CH₄	745.88	0.7	93.2
Conversion to grassland	CO₂	666.44	0.6	93.8
Cropland remaining cropland	CO₂	662.29	0.6	94.5
Fugitive emissions from oil and gas operations	CO₂	602.86	0.6	95.1
Emissions from substitutes for ozone depleting substances	HFCs	597.36	0.6	95.6
Emissions from aluminium production	CO₂	552.29	0.5	96.2
Emissions from cement production	CO₂	484.77	0.5	96.6
Emissions from ammonia/urea production	CO₂	378.27	0.4	97.0
Fugitive emissions from oil and gas operations	CH₄	336.55	0.3	97.3
Mobile combustion - marine	CO₂	332.11	0.3	97.7
Fugitive emissions from coal mining and handling	CH₄	311.88	0.3	98.0
Fugitive emissions from geothermal operations	CO₂	279.67	0.3	98.2
Emissions from hydrogen production	CO₂	175.43	0.2	98.4
Mobile combustion - rail	CO₂	169.05	0.2	98.6
Emissions from wastewater handling	CH₄	166.95	0.2	98.7
Emissions from wastewater handling	N₂O	163.92	0.2	98.9
Mobile combustion - road vehicles	N₂O	133.42	0.1	99.0

Return to the point in the document where these tables are located.