Cars account for half the oil consumed in the U.S., about half the urban pollution and one fourth the greenhouse gases.
汽车消耗了美国一半的石油，导致了美国约半数的城市污染和四分之一的温室气体。
One of the constituents of both smoke and urban pollution is carbon monoxide.
烟雾和城市污染物主要成分之一就是一氧化碳。
It can mingle with urban pollution and boost air quality to unhealthy levels in cities.
它与城市污染物相混合，使城市的空气质量降至危险等级。
The system has much practical significance in prediction, controlling and tackling the urban pollution problem.
该系统对城市大气环境污染预测、控制、治理等具有重要的实际意义。
"Beijing Rose Garden" to stay away from urban pollution, the air fresh and unusual, often the environmental index remained at two under.
“北京玫瑰园”远离都市污染，空气异常清新，环保指数常处保持在二级以下。
Using hydrogen to power cars can cut urban pollution and carbon emissions too, if the hydrogen comes from a renewable source or is used efficiently enough.
如果氢来自可再生能源或者能源足够，使用氢作为汽车动力既可以减少城市污染又可以减少碳排放。
With the rapid development of urbanization, non-point source pollution as another major source of urban pollution, to study it is of great significance.
伴随着城市化的快速推进，非点源污染已成为城市污染的又一重大污染源，对其进行研究有着重要意义。
Urban fugitive dust is one of the urban pollution sources of influencing air quality, degrading atmospheric visibility and endangering citizens' health.
城市地面扬尘是影响城市空气质量、降低大气能见度、危害市民身体健康的城市污染源之一。
Researchers believe that noise of traffic may also play a role in the raised risk as well as other urban pollution, which is often present near busy roads.
研究者相信交通噪音及其他城市污染也很有可能是导致风险增加的原因。这在嘈杂路段非常常见。
Increased urban pollution levels and the mounting death toll from motor vehicles accidents can mainly be attributed to the glut of automobiles appearing on city roads in recent years.
城市人口的增长和车祸中死亡率的增加主要是由于近年内充斥城市道路的汽车。
Urban traffic congestion most often occurred in the intersection, which not only led to traffic disruption, accidents increased and delays aggravation, also led to urban pollution increased.
往往城市交通阻塞大都发生在交叉口，不仅导致了车流中断、事故增加、延误加重，还导致城市环境污染加剧。
We found that the best help for the urban ecosystem would be the restriction and prohibition on the use of motor vehicles, because their exhaust emissions are the majority of current urban pollution.
我们发现就目前大多数城市的环境污染多数来自汽车尾气的排放量过大，那么从汽车的限制使用到禁止使用是对城市生态系统的最有利帮助。
Vehicles incorporating only the simplest of the engine improvements that methanol makes feasible would still contribute to an immediate lessening of urban air pollution.
仅采用甲醇所能实现的最简单的发动机改进措施的车辆，仍将有助于立即减少城市空气污染。
Public complaints about urban noise pollution often fall on deaf ears.
公众对城市噪音的投诉常常被忽略。
However, there is an even more insidious kind of pollution that particularly affects urban areas and invades our daily lives, and that is noise.
但是，还有一种更加隐蔽有害的污染，它专门影响城镇地区，侵袭我们的日常生活，那就是噪音。
Carbon monoxide is also one of the chemicals that create ozone pollution and urban smog.
一氧化碳也是产生臭氧污染和城市雾霭的化学物质之一。
The database contains results of urban outdoor air pollution monitoring from almost 1100 cities in 91 countries.
这个数据库包含91个国家，几乎覆盖1100个城市的城市室外空气污染检测结果。
Pollution in waters near the region's urban centers also hurts fish stocks. Another threat is climate change.
亚洲地区靠近城市中心水域的污染同样也在伤害鱼类资源。
Urban light pollution means that one-fifth of the world's population can no longer see the Milky Way with the naked eye.
都市的光污染意味着，世界上五分之一的人们仅凭借裸眼将看不到银河。
Living conditions are hard in this concrete, steel and glass urban jungle, that has been cut away from nature a long time ago, with pollution reaching truly alarming levels.
在这个混凝土，钢铁和玻璃的都市丛林中，很久以前就与大自然无缘，污染达到令人震惊的程度，生活条件极为艰苦。
As urban land becomes increasingly scarce, in the absence of adequate clean-up, pollution incidents associated with land contamination in China are increasing.
由于中国的城市土地资源日益稀缺，在没有进行适当环境清理的情况下，由土地污染引发的污染事件时有发生。
Additional details on the database are provided in the "Methods used for compiling the urban outdoor air pollution database".
数据库的额外细节由“收集城市室外空气污染检测的方法”提供。
We will prohibit the relocation of urban polluting enterprises and dispersal of urban polluting materials in the countryside, and control non-point source pollution in rural areas.
禁止污染企业和城市污染物向农村扩散，控制农村面源污染。
Urban outdoor air pollution is estimated to cause 1.3 million deaths worldwide per year.
估计室外空气污染每年造成世界上130万人死亡。
We will ensure that pollution control apparatus, such as urban sewage treatment facilities and desulfurizing devices in coal-fired power plants, are operating properly.
促进燃煤电厂脱硫和城市污水处理厂等治污设施正常运营。
We will ensure that pollution control apparatus, such as urban sewage treatment facilities and desulfurizing devices in coal-fired power plants, are operating properly.
促进燃煤电厂脱硫和城市污水处理厂等治污设施正常运营。
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