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Table 12.1 Greenhouse gas (GHG) emissions, by source, 1990 and 2007
[an error occurred while processing this directive]11-402-x[an error occurred while processing this directive] [an error occurred while processing this directive]| Carbon dioxide (CO2) | Methane (CH4) | Nitrous oxide (N2O) | ||||
|---|---|---|---|---|---|---|
| 1990 | 2007 | 1990 | 2007 | 1990 | 2007 | |
| kilotonnes | kilotonnes CO2 equivalent1 | |||||
| Total2 | 456,000 | 590,000 | 74,000 | 100,000 | 50,000 | 48,000 |
| Energy | 424,000 | 550,000 | 37,000 | 54,000 | 8,000 | 10,000 |
| Stationary combustion sources | 276,000 | 343,000 | 4,000 | 4,000 | 2,000 | 3,000 |
| Electricity and heat generation | 94,900 | 125,000 | 39 | 110 | 500 | 700 |
| Fossil fuel industries | 49,400 | 67,500 | 2,000 | 2,000 | 300 | 400 |
| Petroleum refining and upgrading | 16,000 | 18,000 | – | – | 100 | 100 |
| Fossil fuel production | 33,800 | 49,200 | 2,000 | 2,000 | 200 | 300 |
| Mining and oil and gas extraction | 6,150 | 23,100 | 3 | 9 | 40 | 200 |
| Manufacturing industries | 54,500 | 47,400 | 60 | 60 | 500 | 500 |
| Iron and steel | 6,420 | 6,580 | 5 | 5 | 60 | 60 |
| Non ferrous metals | 3,170 | 3,360 | 1 | 2 | 10 | 20 |
| Chemical | 7,100 | 6,640 | 3 | 2.9 | 40 | 40 |
| Pulp and paper | 13,500 | 5,480 | 40 | 40 | 200 | 300 |
| Cement | 3,820 | 4,890 | 1 | 2 | 10 | 10 |
| Other manufacturing | 20,500 | 20,400 | 9 | 8 | 100 | 100 |
| Construction | 1,850 | 1,280 | 0.7 | 0.5 | 20 | 10 |
| Commercial and institutional | 25,500 | 34,900 | 10 | 10 | 200 | 200 |
| Residential | 40,900 | 41,100 | 2,000 | 2,000 | 500 | 500 |
| Agriculture and forestry | 2,370 | 2,220 | 0.8 | 0.8 | 20 | 20 |
| Transport3 | 138,000 | 192,000 | 700 | 600 | 6,000 | 8,000 |
| Civil aviation (domestic aviation) | 6,180 | 7,600 | 10 | 9 | 200 | 200 |
| Road transportation | 94,900 | 133,000 | 310 | 200 | 3,200 | 3,300 |
| Light-duty gasoline vehicles | 43,800 | 40,000 | 160 | 64 | 1,900 | 1,100 |
| Light-duty gasoline trucks | 19,600 | 43,300 | 66 | 68 | 1,000 | 1,600 |
| Heavy-duty gasoline vehicles | 7,720 | 6,480 | 27 | 7.6 | 69 | 150 |
| Motorcycles | 143 | 260 | 3 | 3.6 | 0.9 | 1.6 |
| Light-duty diesel vehicles | 347 | 439 | 0.2 | 0.2 | 8 | 10 |
| Light-duty diesel trucks | 691 | 2,270 | 0.4 | 1 | 20 | 60 |
| Heavy-duty diesel vehicles | 20,500 | 39,700 | 20 | 40 | 200 | 400 |
| Propane and natural gas vehicles | 2,170 | 812 | 30 | 20 | 10 | 5 |
| Railways | 6,160 | 6,010 | 7 | 7 | 800 | 800 |
| Navigation (domestic marine) | 4,690 | 5,740 | 7 | 9 | 300 | 400 |
| Other transportation | 26,000 | 39,000 | 300 | 400 | 2,000 | 3,000 |
| Off-road gasoline | 6,500 | 7,200 | 200 | 200 | 40 | 50 |
| Off-road diesel | 13,000 | 22,000 | 20 | 30 | 2,000 | 3,000 |
| Pipelines | 6,650 | 9,520 | 140 | 200 | 60 | 80 |
| Fugitive sources | 11,000 | 16,000 | 32,000 | 49,000 | 30 | 40 |
| Coal mining | – | – | 2,000 | 800 | – | – |
| Oil and natural gas | 10,600 | 15,900 | 30,100 | 48,100 | 30 | 40 |
| Oil | 95 | 220 | 4,060 | 5,570 | 30 | 30 |
| Natural gas | 22.6 | 65.1 | 12,900 | 21,200 | – | – |
| Venting | 6,090 | 10,500 | 13,200 | 21,300 | – | 4 |
| Flaring | 4,400 | 5,200 | 54 | 76 | 0.4 | 2 |
| Industrial processes | 31,000 | 40,000 | – | – | 11,700 | 2,630 |
| Mineral products | 8,300 | 9,400 | – | – | – | – |
| Cement production | 5,400 | 7,300 | – | – | – | – |
| Lime production | 1,800 | 1,600 | – | – | – | – |
| Mineral product use4 | 1,090 | 584 | – | – | – | – |
| Chemical industry | 5,000 | 6,200 | – | – | 11,700 | 2,630 |
| Ammonia production | 5,000 | 6,200 | – | – | – | – |
| Nitric acid production | – | – | – | – | 1,010 | 1,130 |
| Adipic acid production | – | – | – | – | 11,000 | 1,500 |
| Metal production | 9,770 | 11,100 | – | – | – | – |
| Iron and steel production | 7,060 | 6,030 | – | – | – | – |
| Aluminum production | 2,700 | 5,100 | – | – | – | – |
| Sulfur hexafluoride used in magnesium smelters and casters | – | – | – | – | – | – |
| Production and consumption of halocarbons and sulfur hexafluoride | – | – | – | – | – | – |
| Other and undifferentiated production | 8,000 | 13,000 | – | – | – | – |
| Solvent and other product use | – | – | – | – | 170 | 320 |
| Agriculture | – | – | 19,000 | 26,000 | 29,000 | 34,000 |
| Enteric fermentation | – | – | 17,000 | 23,000 | – | – |
| Manure management | – | – | 2,400 | 3,000 | 3,500 | 4,800 |
| Agriculture soils | – | – | – | – | 26,000 | 29,000 |
| Direct sources | – | – | – | – | 14,000 | 15,000 |
| Pasture, range and paddock manure | – | – | – | – | 2,600 | 3,900 |
| Indirect sources | – | – | – | – | 9,000 | 10,000 |
| Waste | 270 | 190 | 18,000 | 20,000 | 600 | 700 |
| Solid waste disposal on land | – | – | 18,000 | 20,000 | – | – |
| Wastewater handling | – | – | 220 | 260 | 500 | 700 |
| Waste incineration | 270 | 190 | 9 | 2 | 100 | 50 |
| Land use, land-use change and forestry | -58,000 | 35,000 | 3,700 | 6,200 | 2,300 | 3,800 |
| Forest land | -84,000 | 29,000 | 3,400 | 5,900 | 2,100 | 3,700 |
| Cropland | 12,000 | -3,600 | 300 | 200 | 200 | 100 |
| Grassland | – | – | – | – | – | – |
| Wetlands | 5,000 | 3,000 | 6 | – | 4 | – |
| Settlements | 9,000 | 8,000 | 100 | 100 | 50 | 50 |
| Note: – indicates no emissions. | ||||||
| 1. Carbon dioxide equivalent emissions are the weighted sum of all greenhouse gas emissions. The following global warming potentials are used as the weights: carbon dioxide = 1; methane = 21; nitrous oxide = 310. | ||||||
| 2. National totals exclude all GHGs from the Land use, land-use change and forestry sector. | ||||||
| 3. Emissions from fuel ethanol are reported within the gasoline transportation subcategories. | ||||||
| 4. Includes CO2 emissions coming from the use of limestone & dolomite, soda ash, and magnesite. | ||||||
| Source: Environment Canada, Greenhouse Gas Division, 2009, National Inventory Report 1990-2007: Greenhouse Gas Sources and Sinks in Canada. | ||||||
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