Emissions Scenarios - IPCC

256 Emission Scénarios
Table 5-5: CH^ emissions (MlCHJ by region and emissions sector for the four marlcer scenarios (AlB-AJM, A2-ASF, Bl-
IMAGE, and B2-MESSAGE). Categories are agricultural animals (enteric fermentation and animal waste), rice production,
biomass burning, landfills and sewage treatment, and fossil fuel use (extraction, distribution, and consumption). Emissions are
provided in non-standardized or "raw" format and are not comparable with standardized emission estimates used in the figures
and other tables.
1990 2050 2100
Source Region AlB A2 Bl B2 AlB A2 Bl B2 AlB A2 Bl B2
Agricultural Animals
OECD90 18 27 21 18 19 38 18 19 20 42 14 20
REF 12 14 U 12 13 18 9 13 13 22 6 13
ASIA 23 25 23 23 23 75 34 23 23 102 26 24
ALM 27 30 30 27 28 92 41 28 28 151 33 29
Sub-total 80 97 84 82 83 223 104 84 84 317 81 87
Rice
OECD90 2 2 2 2 2 2 1 2 1 1 1 2
REF 1 1 0 1 1 1 0 1 1 1 0 1
ASIA 52 53 25 54 51 80 21 58 51 80 15 64
ALM 5 5 2 5 5 8 3 6 5 11 3 6
Sub-total 60 60 29 61 59 91 25 66 58 93 19 73
Biomass Burning
OECD90 7 1 2 7 7 2 1 8 7 2 1 9
REF 2 0 1 2 2 0 0 2 1 0 0 2
ASIA 16 7 7 16 8 10 1 9 8 11 1 10
ALM 20 18 19 20 4 23 7 5 5 23 7 5
Sub-total 45 27 30 46 21 35 10 24 21 36 9 26
Landfíll + Sewage
OECD90 23 22 23 23 9 32 22 10 5 44 18 7
REF 7 5 6 7 6 6 6 14 1 8 4 4
ASIA 19 16 20 19 110 32 49 131 17 41 32 111
ALM 12 10 13 12 66 30 42 67 18 44 33 97
Sub-total 61 51 61 62 191 99 119 222 42 137 85 218
Fossil Fuels
OECD90 31 22 28 19 23 33 21 20 17 77 13 31
REF 37 21 35 24 34 51 17 27 30 110 9 30
ASIA 14 13 14 14 25 36 28 27 22 81 8 78
ALM 10 12 17 11 27 42 41 29 26 51 16 47
Sub-total 91 69 94 68 110 162 104 104 95 319 46 187
Total
OECD90 81 74 76 70 60 106 63 60 51 166 47 69
REF 57 42 53 47 55 76 32 56 47 141 19 50
ASIA 123 113 89 127 218 233 132 249 121 314 80 287
ALM 75 75 81 76 131 195 134 135 82 280 92 185
Total 337 304 298 318 464 611 361 500 300 902 239 592
Per-capita Methane Emissions (kg/person)
Total (MtCH^) 1990 2050 2100
Region AlB A2 Bl B2 AlB A2 Bl B2 AlB A2 Bl B2
OECD90 95 87 95 83 56 92 63 61 46 111 46 74
REF 139 100 128 110 131 147 74 139 139 200 55 133
ASIA 44 41 32 46 52 40 31 53 42 43 28 58
ALM 63 61 63 61 44 51 44 41 30 51 33 4
Total 64 58 56 60 53 54 41 53 43 60 34 57