OTTAWA–A new study says Canada's greenhouse-gas emissions rose 25 per cent between 1990 and 2005, but it says the increase would have been greater without improvements in energy efficiency.
The Statistics Canada study says human activities released the equivalent of 747 megatonnes of carbon dioxide into Canada's atmosphere in 2005, up from 596 megatonnes in 1990.
At the same time, greenhouse gases emitted per unit of economic activity declined 18 per cent, while the population grew 17 per cent, and energy use increased 23 per cent.
Energy production and consumption are by far the largest source of greenhouse-gas emissions in Canada, accounting for more than 80 per cent of climate-changing emissions in 2005. Goods-transportation activities accounted for 27 per cent of all emissions in 2005.
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http://www.thestar.com/Business/article/416980
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