Natural gas is one of the cleanest burning fossil fuels available today. However, by virture of its significant share of the energy market, natural gas production, transportation, distribution and utilization is an important source of anthropogenic (human-related) greenhouse gas emissions in Canada. Natural gas is composed of approximately 95 percent methane. In addition to the products of burning methane - carbon dioxide (CO2), and oxides of nitrogen (NOx), methane (CH4) itself is cited as a significant "greenhouse gas" (IPCC,1992). CH4 has a global warming potential serveral times gigher than CO2. Thus, while the combustion of natural gas produces the smallest quantity of C02 per unit of energy, compared to other fossil fuels, CH4 emissions from the operations of the Canadian natural gas industry may also add tothe total Canadian greenhouse gas emissions.
Canadian Gas Association Standing Committee on Environment. 1994. Air Emissions inventory for the Canadian Natural Gas Industry 1990. Canadian Gas Association Standing Committee on Environment
Keywords: natural gas, fossil fuels, greenhouse gas
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