Our known fossil fuel reserves are soaring. New finds of coal, natural gas, oil, tar sands, and oil shale keep growing, not declining.

已知的矿石燃料储备猛涨；不断有新的煤矿、天然气、石油、焦油砂和油页岩被发现；人口数量也在增长。

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Greenhouse gas emissions of tar sands crude are 40% higher than conventional oil, and the open-pit mining has devastated Alberta's boreal forest.

焦油砂的温室气体排放量比普通石油高40%，露天采矿已经极大地破坏了阿尔伯塔的北方气候带森林。

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The amount of gas used means that a barrel of Californian heavy oil gives the stuff from Canada's tar sands a run for its money in terms of associated greenhouse-gas emissions.

根据相关的温室气体排放，天然气的耗费量意味着每桶加州重油竭尽全力从加拿大沥青砂岩中提取材料。

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There must be solutions with less severe tradeoffs than shale gas and tar sands oil.

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While there are legitimate environmental worries, replacing gas exports with tar-sands oil is vital for economic growth, argues Matthew Akman, an analyst at Scotiabank.

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These pipelines will distribute gas from the fracked shales and deliver oil from the tar sands, giving us the biggest energy boom in 60 years.

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