The largest contributor to Alberta's greenhouse gas emissions is not the oil sands, but rather power generation which is primarily based on the burning of coal.
艾伯塔省温室气体排放的最大来源不是油砂，而是煤燃烧发电所产生的。
The largest contributor to Alberta's greenhouse gas emissions is not the oil sands, but rather power generation which is primarily based on the burning of coal.
艾伯塔省温室气体排放的最大来源不是油砂，而是煤燃烧发电所产生的。
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