Even if countries around the world agree on measures to control carbon-dioxide emissions, says the agency, bituminous crudes like Canada's must fill a coming supply gap.

该组织认为，即使世界各国都同意采取措施来控制二氧化碳的排放，也必须有如加拿大沥青质原油这样的替代产品来填补未来的供应缺口。

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The average house hold carbon foot print in China is 2.41 tons of carbon dioxide annually. That's enough to fill half an Olympic swimming pool.

在中国，均匀每户每年的碳排放量是2.41吨二氧化碳。这充足添补半个奥运泅池塘了。

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Sharma estimates a 4-year-old diesel engine could produce enough carbon to fill an HP cartridge within 60 minutes. A chimney would take only 10 minutes approximately.

夏尔马估计一个使用了四年的柴油内燃机60分钟内产生的炭能填满一个惠普墨盒。一个烟囱大约只需要10分钟。

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So, in order to fill our octet, what we do is put two on the nitrogen and two on the carbon.

因此，为了填满我们的“八隅体“,我们需要将两个放到氮上，将另外两个放到碳上。

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In the end, he estimates that they produce about 14 metric tons of carbon dioxide a year enough to fill a volume of about nine hot-air balloons.

NPR: North Carolina Family Takes Carbon Challenge

"The big barrier as far as bioenergy crops are concerned is a fear of the unknown in terms of soil carbon losses or gains - this is the gap we are trying to fill, " explained lead researcher Niall McNamara.

BBC: Measuring bioenergy crops' carbon footprint credentials