Table 3.47
Greenhouse gas (GHG) emissions by source and sink
category
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| Carbon dioxide (CO2) | Methane (CH4) | Nitrous oxide (N2O) | CO2 equivalents 1 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1990 | 2006 | 1990 | 2006 | 1990 | 2006 | 1990 | 2006 | Percentage change 1990 to 2006 | |
| kilotonnes | percent | ||||||||
| Total 2 | 456,000 | 560,000 | 3,500.00 | 4,900.00 | 160.00 | 150.00 | 592,000 | 721,000 | 21.8 |
| Energy | 425,000 | 519,000 | 1,700.00 | 2,600.00 | 30.00 | 30.00 | 470,000 | 583,000 | 24.0 |
| Stationary combustion sources | 276,000 | 317,000 | 200.00 | 200.00 | 7.00 | 8.00 | 282,000 | 324,000 | 14.9 |
| Electricity and heat generation | 94,800 | 116,000 | 1.80 | 4.60 | 2.00 | 2.00 | 95,400 | 117,000 | 22.6 |
| Fossil fuel industries | 49,700 | 65,200 | 80.00 | 100.00 | 1.00 | 1.00 | 52,000 | 68,000 | 30.8 |
| Petroleum refining and upgrading | 16,000 | 16,000 | … | … | 0.30 | 0.40 | 16,000 | 16,000 | 0.0 |
| Fossil fuel production | 34,100 | 49,100 | 80.00 | 100.00 | 0.70 | 1.00 | 36,000 | 52,000 | 44.4 |
| Mining and oil and gas extraction | 6,150 | 16,400 | 0.10 | 0.30 | 0.10 | 0.40 | 6,190 | 16,500 | 166.6 |
| Manufacturing industries | 54,300 | 45,800 | 3.00 | 3.00 | 2.00 | 2.00 | 54,900 | 46,300 | -15.7 |
| Iron and steel | 6,430 | 6,310 | 0.20 | 0.20 | 0.20 | 0.20 | 6,500 | 6,380 | -1.8 |
| Non ferrous metals | 3,170 | 3,030 | 0.07 | 0.07 | 0.05 | 0.04 | 3,190 | 3,050 | -4.4 |
| Chemical | 7,060 | 6,450 | 0.15 | 0.14 | 0.10 | 0.10 | 7,100 | 6,490 | -8.6 |
| Pulp and paper | 13,500 | 5,650 | 2.00 | 2.00 | 0.80 | 0.80 | 13,700 | 5,950 | -56.6 |
| Cement | 3,680 | 4,840 | 0.07 | 0.10 | 0.04 | 0.04 | 3,690 | 4,850 | 31.4 |
| Other manufacturing | 20,500 | 19,500 | 0.40 | 0.40 | 0.40 | 0.40 | 20,700 | 19,600 | -5.3 |
| Construction | 1,850 | 1,290 | 0.03 | 0.02 | 0.05 | 0.03 | 1,870 | 1,300 | -30.5 |
| Commercial and institutional | 25,500 | 33,200 | 0.50 | 0.60 | 0.50 | 0.70 | 25,700 | 33,400 | 30.0 |
| Residential | 40,900 | 37,300 | 100.00 | 100.00 | 2.00 | 2.00 | 44,000 | 40,000 | -9.1 |
| Agriculture and forestry | 2,370 | 1,900 | 0.04 | 0.03 | 0.05 | 0.06 | 2,390 | 1,920 | -19.7 |
| Transport 3 | 138,000 | 184,000 | 30.00 | 30.00 | 20.00 | 20.00 | 150,000 | 190,000 | 26.7 |
| Domestic aviation | 6,180 | 8,190 | 0.50 | 0.40 | 0.60 | 0.70 | 6,400 | 8,400 | 31.3 |
| Road transportation | 94,900 | 130,000 | 15.00 | 9.30 | 10.00 | 11.00 | 98,400 | 133,000 | 35.2 |
| Light-duty gasoline vehicles | 43,800 | 37,700 | 7.80 | 2.90 | 6.20 | 3.60 | 45,800 | 38,900 | -15.1 |
| Light-duty gasoline trucks | 19,600 | 43,100 | 3.10 | 3.20 | 3.20 | 5.30 | 20,700 | 44,800 | 116.4 |
| Heavy-duty gasoline vehicles | 7,720 | 6,130 | 1.30 | 0.35 | 0.22 | 0.44 | 7,810 | 6,280 | -19.6 |
| Motorcycles | 143 | 254 | 0.14 | 0.17 | 0.00 | 0.01 | 146 | 259 | 77.4 |
| Light-duty diesel vehicles | 347 | 423 | 0.01 | 0.01 | 0.03 | 0.03 | 355 | 433 | 22.0 |
| Light-duty diesel trucks | 691 | 2,270 | 0.02 | 0.06 | 0.05 | 0.20 | 707 | 2,330 | 229.6 |
| Heavy-duty diesel vehicles | 20,500 | 39,000 | 1.00 | 2.00 | 0.60 | 1.00 | 20,700 | 39,400 | 90.3 |
| Propane and natural gas vehicles | 2,170 | 784 | 1.00 | 0.70 | 0.04 | 0.02 | 2,200 | 800 | -63.6 |
| Railways | 6,160 | 5,660 | 0.30 | 0.30 | 3.00 | 2.00 | 7,000 | 6,000 | -14.3 |
| Domestic marine | 4,690 | 5,380 | 0.30 | 0.40 | 1.00 | 1.00 | 5,000 | 5,800 | 16.0 |
| Other Transportation | 26,000 | 35,000 | 20.00 | 20.00 | 6.00 | 8.00 | 30,000 | 40,000 | 33.3 |
| Off-road gasoline | 6,000 | 6,000 | 8.00 | 8.00 | 0.10 | 0.10 | 7,000 | 7,000 | 0.0 |
| Off-road diesel | 13,000 | 19,000 | 0.70 | 1.00 | 6.00 | 8.00 | 20,000 | 20,000 | 0.0 |
| Pipelines | 6,700 | 9,390 | 6.70 | 9.40 | 0.20 | 0.30 | 6,900 | 9,660 | 40.0 |
| Fugitive sources | 11,000 | 17,000 | 1,500.00 | 2,400.00 | 0.10 | 0.10 | 42,700 | 66,800 | 56.4 |
| Coal mining | … | … | 90.00 | 30.00 | … | … | 2,000 | 600 | -70.0 |
| Oil and natural gas | 10,600 | 17,400 | 1,440.00 | 2,320.00 | 0.10 | 0.10 | 40,700 | 66,200 | 62.7 |
| Oil | 95 | 190 | 193.00 | 262.00 | 0.10 | 0.10 | 4,180 | 5,710 | 36.6 |
| Natural gas | 23 | 66 | 613.00 | 1,010.00 | … | … | 12,900 | 21,300 | 65.1 |
| Venting | 6,090 | 11,200 | 627.00 | 1,040.00 | … | 0.01 | 19,300 | 33,100 | 71.5 |
| Flaring | 4,400 | 5,900 | 2.60 | 4.10 | 0.00 | 0.01 | 4,400 | 6,000 | 36.4 |
| Industrial processes | 31,000 | 41,000 | … | … | 37.80 | 7.88 | 54,800 | 54,400 | -0.7 |
| Mineral products | 8,300 | 9,600 | … | … | … | … | 8,300 | 9,600 | 15.7 |
| Cement production | 5,400 | 7,300 | … | … | … | … | 5,400 | 7,300 | 35.2 |
| Lime production | 1,700 | 1,600 | … | … | … | … | 1,700 | 1,600 | -5.9 |
| Mineral product use 4 | 1,090 | 600 | … | … | … | … | 1,090 | 600 | -45.0 |
| Chemical industry | 5,000 | 6,600 | … | … | 37.80 | 7.88 | 17,000 | 9,000 | -47.1 |
| Ammonia production | 5,000 | 6,600 | … | … | … | … | 5,000 | 6,600 | 32.0 |
| Nitric acid production | … | … | … | … | 3.27 | 3.98 | 1,010 | 1,230 | 21.8 |
| Adipic acid production | … | … | … | … | 35.00 | 3.90 | 11,000 | 1,200 | -89.1 |
| Metal production | 9,770 | 12,800 | … | … | … | … | 19,500 | 16,800 | -13.8 |
| Iron and steel production | 7,060 | 7,760 | … | … | … | … | 7,060 | 7,760 | 9.9 |
| Aluminum production | 2,700 | 5,000 | … | … | … | … | 9,300 | 7,600 | -18.3 |
| SF6used in magnesium smelters and casters | … | … | … | … | … | … | 3,110 | 1,390 | -55.3 |
| Consumption of halocarbons and SF6 | … | … | … | … | … | … | 2,300 | 6,600 | 187.0 |
| Other and undifferentiated production | 8,000 | 12,000 | … | … | … | … | 8,000 | 12,000 | 50.0 |
| Solvent and other product use | … | … | … | … | 0.56 | 1.00 | 170 | 320 | 88.2 |
| Agriculture | … | … | 980.00 | 1,300.00 | 93.00 | 110.00 | 49,000 | 62,000 | 26.5 |
| Enteric fermentation | … | … | 860.00 | 1,200.00 | … | … | 18,000 | 24,000 | 33.3 |
| Manure management | … | … | 120.00 | 1,60.00 | 11.00 | 15.00 | 6,100 | 8,000 | 31.1 |
| Agricultural soils | … | … | … | … | 82.00 | 96.00 | 25,000 | 30,000 | 20.0 |
| Direct sources | … | … | … | … | 45.00 | 49.00 | 14,000 | 15,000 | 7.1 |
| Pasture, range and paddock manure | … | … | … | … | 8.20 | 12.00 | 2,600 | 3,800 | 46.2 |
| Indirect sources | … | … | … | … | 30.00 | 30.00 | 9,000 | 10,000 | 11.1 |
| Waste | 270 | 190 | 820.00 | 950.00 | 2.00 | 2.00 | 18,000 | 21,000 | 16.7 |
| Solid waste disposal on land | … | … | 810.00 | 940.00 | … | … | 17,000 | 20,000 | 17.6 |
| Wastewater handling | … | … | 11.00 | 12.00 | 2.00 | 2.00 | 780 | 930 | 19.2 |
| Waste incineration | 270 | 190 | 0.40 | 0.07 | 0.40 | 0.20 | 400 | 240 | -40.0 |
| Land use, land use-change and forestry | -110,000 | 19,000 | 150.00 | 360.00 | 6.50 | 15.00 | -110,000 | 31,000 | -128.2 |
| Forest land | -140,000 | 11,000 | 130.00 | 340.00 | 5.60 | 14.00 | -130,000 | 23,000 | -117.7 |
| Cropland | 13,000 | -1700 | 10.00 | 7.00 | 0.70 | 0.40 | 14,000 | … | -110.0 |
| Grassland | … | … | … | … | … | … | … | … | … |
| Wetlands | 4,000 | 2,000 | 0.30 | 0.00 | 0.01 | 0.00 | 4,000 | 2,000 | -50.0 |
| Settlements | 9,000 | 8,000 | 5.00 | 5.00 | 0.20 | 0.20 | 9,000 | 8,000 | -11.1 |
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 SF6data 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.
Note(s):
Figures may not add up to totals due to rounding.
Source(s):
Environment Canada, Greenhouse Gas Division, 2008, National
Inventory Report: Greenhouse Gas Sources and Sinks in Canada, 1990-2006
, www.ec.gc.ca/pdb/ghg/inventory_report/2006_report/tdm-toc_eng.cfm
(accessed February 17, 2009).
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