Net emissions of CO2 were provisionally estimated to be 480.9 million tonnes, 9.8% lower than 2008's 532.8 million tonnes.
二氧化碳净排放量初步估计是4.809亿，比2008年的5.328亿下降了9.8%。
Make petrol out of plants in a sufficiently clever way and you can drive around with no net emissions of carbon dioxide as well as no net payments to the mad, the bad and the greedy.
以高效聪明的方式从植物中提取汽油，你开车就不会产生二氧化碳了。
Solar panels and wind turbines on the barge meant that it could produce food with near-zero net carbon emissions.
科学驳船上安装了太阳能电池板和风力涡轮，这种粮食作物的生产方式，它所产生的二氧化碳净排放量几乎为零。
The net effect of the formula is the normalization of the gross profit generated by individuals that have various billing rates, but will incur similar carbon emissions.
这个公式的最终效果是个人各种记账率产生的总利润，但将导致类似的碳排放。
CO2 emissions from tropical deforestation have decreased over the past year, and regrowth of forest in temperate latitudes has even created a small net sink of CO2 outside of the tropics.
因热带森林砍伐导致二氧化碳排放量在过去的一年里有所下降，而且温带地区的森林再生甚至已经在热带以外创造一个小的二氧化碳净汇池。
Such a problem can also provide solutions; at the very least, energy researchers looking to make improvements on net carbon dioxide emissions have a clear picture of their point of attack.
这样的问题也提供解决方案；至少，能源研究者在寻找净碳排量的进步上有清楚的攻击点。
To reduce net carbon dioxide emissions by 50% by 2050, compared with 2005 levels.
相对2005年水平，到2050年将净二氧化碳排量减少50%。
At the very least, energy researchers looking to make improvements on net carbon dioxide emissions have a clear picture of their point of attack.
至少，能源研究者在寻找净碳排量的进步上有清楚的攻击点。
At the very least, energy researchers looking to make improvements on net carbon dioxide emissions have a clear picture of their point of attack.
至少，能源研究者在寻找净碳排量的进步上有清楚的攻击点。
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