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Chart 4: Projected emissions for 2010, total emissions reported in the national inventory from 1990-2004 and a linear extrapolation of previous emissions (Million tonnes carbon dioxide equivalent)

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Note: Excludes emissions from deforestation.

 

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Chart 4 shows the historic trend in greenhouse gas emissions from the National Inventory report (submitted 2006) for the years 1990 to 2004, and projected emissions to 2012 with high and low emissions scenarios. Emissions increased from 61.5 million tonnes carbon dioxide equivalent in 1990 to 74.6 million tonnes carbon dioxide equivalent in 2004.

The emissions reported in the inventory reflect an increase of approximately 1.4 percent per year. There are fluctuations between years that are primarily related to the hydro-electric generation capacity. A linear extrapolation of the trend in emissions passes through 81.1 million tonnes carbon dioixde equivalent falling near the most likely value for projected emissions, ie, 79.7 million tonnes carbon dioxide equivalent at 2010. The high emissions scenario shows emissions at 84.1 million tonnes carbon dioxide equivalent at 2010 and the low emissions scenario shows emissions at 76.5 million tonnes carbon dioxide equivalent at 2010.