Table 5.5
Greenhouse gas (GHG) emissions by source and sink
category
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| Carbon dioxide (CO2) | Methane (CH4) | Nitrous oxide (N2O) | CO2 equivalents Note 1 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1990 | 2009 | 1990 | 2009 | 1990 | 2009 | 1990 | 2009 | Percentage change 1990 to 2009 | |
| kilotonnes | percent | ||||||||
| Total Note 2 | 458,000 | 542,000 | 3,400.00 | 4,400.00 | 160.00 | 150.00 | 590,000 | 690,000 | 16.9 |
| Energy | 424,000 | 507,000 | 1,700.00 | 2,300.00 | 30.00 | 30.00 | 468,000 | 566,000 | 20.9 |
| Stationary combustion sources | 273,000 | 308,000 | 200.00 | 200.00 | 7.00 | 8.00 | 279,000 | 315,000 | 12.9 |
| Electricity and heat generation | 91,000 | 97,200 | 1.80 | 4.90 | 2.00 | 2.00 | 91,600 | 97,900 | 6.9 |
| Fossil fuel industries | 49,600 | 61,400 | 80.00 | 90.00 | 0.90 | 1.00 | 51,000 | 64,000 | 25.5 |
| Petroleum refining and upgrading | 18,000 | 20,000 | 0.30 | 0.30 | 0.10 | 0.08 | 18,000 | 20,000 | 11.1 |
| Fossil fuel production | 31,900 | 41,500 | 80.00 | 90.00 | 0.80 | 0.90 | 34,000 | 44,000 | 29.4 |
| Mining and oil and gas extraction | 6,610 | 31,100 | 0.10 | 0.60 | 0.10 | 0.70 | 6,650 | 31,300 | 370.7 |
| Manufacturing industries | 55,400 | 41,900 | 2.00 | 2.00 | 2.00 | 2.00 | 56,000 | 42,600 | -23.9 |
| Iron and steel | 5,210 | 3,980 | 0.20 | 0.20 | 0.20 | 0.10 | 5,270 | 4,030 | -23.5 |
| Non ferrous metals | 3,240 | 3,110 | 0.07 | 0.07 | 0.05 | 0.04 | 3,260 | 3,120 | -4.3 |
| Chemical | 8,170 | 7,520 | 0.17 | 0.15 | 0.10 | 0.10 | 8,220 | 7,570 | -7.9 |
| Pulp and paper | 14,100 | 4,120 | 1.00 | 2.00 | 1.00 | 1.00 | 14,400 | 4,510 | -68.7 |
| Cement | 3,810 | 3,610 | 0.07 | 0.07 | 0.04 | 0.02 | 3,820 | 3,610 | -5.5 |
| Other manufacturing | 20,900 | 19,600 | 0.40 | 0.40 | 0.40 | 0.40 | 21,000 | 19,700 | -6.2 |
| Construction | 1,850 | 1,070 | 0.03 | 0.02 | 0.05 | 0.03 | 1,870 | 1,080 | -42.2 |
| Commercial and institutional | 25,500 | 35,800 | 0.50 | 0.60 | 0.50 | 0.70 | 25,700 | 36,000 | 40.1 |
| Residential | 40,900 | 37,900 | 100.00 | 100.00 | 2.00 | 2.00 | 43,000 | 41,000 | -4.7 |
| Agriculture and forestry | 2,370 | 2,040 | 0.04 | 0.04 | 0.05 | 0.06 | 2,390 | 2,050 | -14.2 |
| Transport Note 3 | 139,000 | 182,000 | 30.00 | 30.00 | 20.00 | 30.00 | 146,000 | 190,000 | 30.1 |
| Domestic aviation | 7,150 | 7,080 | 0.50 | 0.40 | 0.20 | 0.20 | 7,200 | 7,200 | 0.0 |
| Road transportation | 93,200 | 128,000 | 14.00 | 10.00 | 10.00 | 12.00 | 96,700 | 131,000 | 35.5 |
| Light-duty gasoline vehicles | 43,400 | 39,900 | 7.70 | 3.80 | 6.20 | 4.60 | 45,500 | 41,400 | -9.0 |
| Light-duty gasoline trucks | 19,200 | 39,800 | 3.00 | 3.80 | 3.20 | 4.70 | 20,300 | 41,300 | 103.4 |
| Heavy-duty gasoline vehicles | 7,350 | 6,810 | 1.20 | 0.30 | 0.21 | 0.53 | 7,440 | 6,990 | -6.0 |
| Motorcycles | 148 | 242 | 0.15 | 0.10 | 0.00 | 0.00 | 152 | 245 | 61.2 |
| Light-duty diesel vehicles | 458 | 647 | 0.01 | 0.01 | 0.03 | 0.05 | 469 | 663 | 41.4 |
| Light-duty diesel trucks | 686 | 1,890 | 0.02 | 0.05 | 0.05 | 0.20 | 702 | 1,940 | 176.4 |
| Heavy-duty diesel vehicles | 19,800 | 37,500 | 1.00 | 2.00 | 0.60 | 2.00 | 20,000 | 38,200 | 91.0 |
| Propane and natural gas vehicles | 2,170 | 764 | 1.00 | 0.70 | 0.04 | 0.02 | 2,200 | 780 | -64.5 |
| Railways | 6,160 | 6,110 | 0.30 | 0.30 | 3.00 | 3.00 | 7,000 | 7,000 | 0.0 |
| Domestic marine | 4,690 | 4,770 | 0.30 | 0.40 | 1.00 | 0.90 | 5,000 | 5,100 | 2.0 |
| Other Transportation | 28,000 | 36,000 | 20.00 | 20.00 | 6.00 | 10.00 | 30,000 | 40,000 | 33.3 |
| Off-road gasoline | 7,600 | 7,400 | 9.00 | 9.00 | 0.20 | 0.20 | 7,800 | 7,600 | -2.6 |
| Off-road diesel | 14,000 | 23,000 | 0.80 | 1.00 | 6.00 | 9.00 | 16,000 | 26,000 | 62.5 |
| Pipelines | 6,650 | 6,140 | 6.70 | 6.20 | 0.20 | 0.20 | 6,850 | 6,320 | -7.7 |
| Fugitive sources | 11,000 | 17,000 | 1,500.00 | 2,100.00 | 0.10 | 0.10 | 42,100 | 60,700 | 44.2 |
| Coal mining | Note ...: not applicable | Note ...: not applicable | 90.00 | 30.00 | Note ...: not applicable | Note ...: not applicable | 2,000 | 700 | -65.0 |
| Oil and natural gas | 11,500 | 16,700 | 1,370.00 | 2,060.00 | 0.10 | 0.10 | 40,200 | 60,000 | 49.3 |
| Oil | 95 | 200 | 193.00 | 252.00 | 0.10 | 0.10 | 4,190 | 5,530 | 32.0 |
| Natural gas | 23 | 67 | 543.00 | 920.00 | Note ...: not applicable | Note ...: not applicable | 11,400 | 19,400 | 70.2 |
| Venting | 6,990 | 10,200 | 627.00 | 881.00 | Note ...: not applicable | 0.01 | 20,200 | 28,700 | 42.1 |
| Flaring | 4,400 | 6,300 | 2.60 | 4.20 | 0.00 | 0.03 | 4,400 | 6,400 | 45.5 |
| Industrial processes | 34,000 | 35,000 | 4.70 | 2.60 | 37.90 | 5.87 | 56,800 | 46,300 | -18.5 |
| Mineral products | 8,300 | 6,800 | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | 8,300 | 6,800 | -18.1 |
| Cement production | 5,400 | 5,100 | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | 5,400 | 5,100 | -5.6 |
| Lime production | 1,800 | 1,200 | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | 1,800 | 1,200 | -33.3 |
| Mineral product useNote 4 | 1,090 | 449 | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | 1,090 | 449 | -58.8 |
| Chemical industry | 5,000 | 6,200 | 4.70 | 2.60 | 37.90 | 5.87 | 17,000 | 8,100 | -52.4 |
| Ammonia production | 5,000 | 6,200 | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | 5,000 | 6,200 | 24.0 |
| Nitric acid production | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | 3.27 | 3.71 | 1,010 | 1,150 | 13.9 |
| Adipic acid production | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | 35.00 | 2.10 | 11,000 | 660 | -94.0 |
| Petrochemical productionNote 5 | Note ...: not applicable | Note ...: not applicable | 4.70 | 2.60 | 0.03 | 0.02 | 110 | 63 | -42.7 |
| Metal production | 12,900 | 12,700 | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | 22,600 | 15,000 | -33.6 |
| Iron and steel production | 10,200 | 7,650 | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | 10,200 | 7,650 | -25.0 |
| Aluminum production | 2,700 | 5,000 | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | 9,300 | 7,200 | -22.6 |
| SF6 used in magnesium smelters and casters |
Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | 3,110 | 193 | -93.8 |
| Production and consumption of halocarbons and SF6 Note 6 |
Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | 990 | 7,000 | 607.1 |
| Other and undifferentiated production |
8,000 | 9,400 | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | 8,000 | 9,400 | 17.5 |
| Solvent and other product use |
Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | 0.58 | 0.84 | 180 | 260 | 44.4 |
| Agriculture | Note ...: not applicable | Note ...: not applicable | 900.00 | 1,000.00 | 90.00 | 110.00 | 47,000 | 56,000 | 19.1 |
| Enteric fermentation | Note ...: not applicable | Note ...: not applicable | 780.00 | 920.00 | Note ...: not applicable | Note ...: not applicable | 16,000 | 19,000 | 18.8 |
| Manure management | Note ...: not applicable | Note ...: not applicable | 120.00 | 130.00 | 10.00 | 13.00 | 5,700 | 6,600 | 15.8 |
| Agricultural soils | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | 80.00 | 97.00 | 25,000 | 30,000 | 20.0 |
| Direct sources | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | 44.00 | 52.00 | 14,000 | 16,000 | 14.3 |
| Pasture, range and paddock manure | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | 7.10 | 9.70 | 2,200 | 3,000 | 36.4 |
| Indirect sources | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | 30.00 | 40.00 | 9,000 | 10,000 | 11.1 |
| Field burning of agricultural residues |
Note ...: not applicable | Note ...: not applicable | 7.10 | 1.50 | 0.18 | 0.04 | 210 | 45 | -78.6 |
| Waste | 270 | 200 | 870.00 | 980.00 | 2.00 | 2.00 | 19,000 | 22,000 | 15.8 |
| Solid waste disposal on land | Note ...: not applicable | Note ...: not applicable | 850.00 | 970.00 | Note ...: not applicable | Note ...: not applicable | 18,000 | 20,000 | 11.1 |
| Wastewater handling | Note ...: not applicable | Note ...: not applicable | 13.00 | 16.00 | 2.00 | 2.00 | 780 | 1,000 | 28.2 |
| Waste incineration | 270 | 200 | 0.40 | 0.08 | 0.40 | 0.20 | 400 | 260 | -35.0 |
| Land use, land use-change and forestry |
-73,000 | -22,000 | 160.00 | 280.00 | 6.60 | 12.00 | -67,000 | -12,000 | 82.1 |
| Forest land | -98,000 | -26,000 | 140.00 | 270.00 | 5.90 | 11.00 | -93,000 | -17,000 | 81.7 |
| Cropland | 11,000 | -7,100 | 10.00 | 5.00 | 0.50 | 0.20 | 11,000 | -6,900 | -162.7 |
| Grassland | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable | Note ...: not applicable |
| Wetlands | 5,000 | 2,000 | 0.30 | 0.00 | 0.01 | 0.00 | 5,000 | 2,000 | -60.0 |
| Settlements | 9,000 | 9,000 | 5.00 | 6.00 | 0.20 | 0.20 | 9,000 | 9,000 | 0.0 |
CO2 equivalent emissions are the
weighted sum of all greenhouse gas emissions. The following global warming
potentials are used as the weights: CO2 = 1; CH4 = 21;
N2O = 310; HFCs = 140 to 11,700; PFCs = 6,500 to 9,200;
SF6 = 23,900. Not all HFC, PFC and SF6 data are
presented in this table.
National totals exclude all GHGs from the Land
use, land-use change and forestry sector.
Emissions from fuel ethanol are reported within
the gasoline transportation sub-categories.
The category 'Mineral product use'
includes CO2 emissions coming from the use of limestone & dolomite,
soda ash, and magnesite.
The category 'Petrochemical Production' includes
emissions coming from production of silicon/calcium carbides, carbon black,
ethylene, methanol, ethylene dichloride, and styrene.
Production of HFCs (HCFC-22 exclusively)
only occurred in Canada from 1990-1992. HFC consumption began in 1995.
Note(s):
Figures may not add up to totals due to rounding.
Source(s):
Environment Canada, 2011, National Inventory Report 1990-2009:
Greenhouse Gas Sources and Sinks in Canada, Catalogue no. En81-4/2009E-PDF.
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