电动汽车并不会直接排放温室气体。
直接来自于牛和猪的甲烷排放是温室气体的重大来源。
Direct emissions of methane from cows and pigs is a significant source of greenhouse gases.
直接在温室气体排放上征税吧。
温室气体排放不会像有毒化学物质那样对人、湖泊、森林产生直接明显的毒害作用。
Greenhouse emissions do not poison people, or lakes or woods, in the direct or obvious way that noxious chemicals do.
通过增加对太阳能的使用，这类水冷方法可能会对减少温室气体排放作出直接贡献。
Water-cooling of this sort may also make a more direct contribution to the reduction of greenhouse-gas emissions, by promoting the use of solar energy.
在亚洲、非洲和拉丁美洲的那些蓬勃发展的城市里，小轿车、卡车、公交车以及其他车辆产生的排放在飞速增长，而这些排放的温室气体和全球变暖直接相关。
Emissions from cars, trucks, buses and other vehicles in the booming cities of Asia, Africa and Latin America account for a rapidly growing component of heat-trapping gases linked to global warming.
碳足迹包括直接或间接的废水处理厂的温室气体排放总量。
The carbon footprint consists of the total amount of all Greenhouse gas emissions caused directly or indirectly by the Wastewater Treatment Plant.
在建立双边协议和直接进行知识技术转让上，还有很多工作需要做。 中美间密切的合作将会是最为重要的进展，因为这两国的温室气体排放量在全球总量里占相当高的比重。
The most important development would be the US and China working closely together, since jointly they are responsible for such a high proportion of the world's emissions.
在建立双边协议和直接进行知识技术转让上，还有很多工作需要做。 中美间密切的合作将会是最为重要的进展，因为这两国的温室气体排放量在全球总量里占相当高的比重。
The most important development would be the US and China working closely together, since jointly they are responsible for such a high proportion of the world's emissions.
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