他们保持我们的空气清洁，减少噪音污染，改善水质，提供食品和建筑材料。
They keep our air clean, reduce noise pollution, improve water quality and provide food and building materials.
众所周知，使用清洁能源在减少污染方面发挥着重要作用。
As is known to all, using clean energy plays an important role in pollution reduction.
解决环境污染问题很大程度上取决于我们是否能合理地使用清洁能源。
Solving environmental pollution depends in large measure on whether we can use clean energy in a reasonable way.
最近，随着工业污染物排放的减少和湖水的清洁，鱼类数量有所恢复。
Recently fish populations have recovered as release of industrial pollutants has declined and the lake's waters have become cleaner.
它还会导致更多的空气污染、疾病和缺乏清洁水源等。
It will also cause more air pollution, diseases and lack of clean water and so on.
污染——一般来说，回收材料可以产生较少的污染，有助于保持我们的环境清洁。
Pollution—in general, recycling materials can produce less pollution, helping to keep our environment clean.
伦敦(左图)：在过去几个世纪，这座以其雾霭和严重污染“闻名遐迩”的城市，却有着从中世纪以来乃至今日都最清洁的空气。
London (left) : Renowned for centuries for its infamous smog and severe pollution, the city today has the cleanest air that it has had since the Middle Ages.
因此，控制污染减少臭氧水平，尤其是在污染快速增长的亚洲城市，既能清洁空气又可以减缓气候变暖。
So pollution restrictions that reduce ozone levels, especially in the rapidly growing polluted cities of Asia, could both clear the air and slow warming.
刘先生说资金的10%花在污染控制上，这样就能够符合所有的国家标准，并且转用清洁的天然气能源。
Liu says 10% of his capital expenditure goes into pollution controls, that he meets all national standards and is switching to cleaner natural gas.
临汾计划用大型的更清洁更规范的工厂取代高污染的小工厂，将来如果用天然气代替煤来集中供热，毒气排放有望进一步的减少。
The city does plan to replace small, highly polluting plants with larger, cleaner, more regulated facilities, and toxic emissions will be cut further by shifting from coal to gas for central heating.
在屠宰流水线作业中，清洁区与非清洁区物理隔开并分别配置人员，避免畜体和可食用副产品的相互污染。
In slaughter line operations, clean and unclean operations are physically separated and individually manned to avoid contamination of carcasses and edible by-products.
“尽管40年来，我们一直在开发更清洁的车辆，国内的汽车污染问题仍然很严重，”卡塞尔先生承认。
“Despite 40 years of building ever-cleaner vehicles, we still have a vehicle pollution problem in this country, ” Mr. Kassel said.
没有人准确的知道如何清洁手干燥机，并有可能，它可能被污染的空气吹入的热，到你的手中，而不是热空气清洁。
No one knows exactly how clean a hand dryer is, and there is the possibility that it might be blowing hot, contaminated air onto your hands instead of hot, clean air.
高污染城市中的死亡率超过观察到的相对清洁城市的15- 20%。
The mortality in cities with high levels of pollution exceeds that observed in relatively cleaner cities by 15-20%.
他还说，移除有害的硫污染以清洁燃煤，其实会使气候变化恶化。
He also said as coal burning is cleaned up to remove harmful sulphur pollution climate change would actually get worse.
这个计划还提出用1,310个使用清洁技术的大型公交车替换613个老式和污染的小型公共汽车。
The plan also calls for replacing 613 old and polluting public minibuses with 1,310 large clean technology buses.
如果建筑物和道路需要清除污染物，可以采用擦拭、动力清洗或者蒸气清洁这些相对比较简单的方式来完成，除非铯已经进入地下。
If buildings and roads need to be decontaminated, that could be accomplished by other relatively simple methods like wiping, power-washing or steam-cleaning, unless the cesium is deep.
但是当一个国家开始工业化的时候，以及当人民变得呼吁能够付得起清洁的水与空气的时候，同时污染就增加起来了。
But while pollution can increase when a country starts industrializing, as people get wealthier they can afford cleaner water and air.
我们要保证清洁，禁止污染。
此次WWS的计划为世界建立了一个新型的，清洁的，有效率的能源系统，从而取代陈旧的，污染且没有效率的能源系统。
The WWS plan gives the world a new, clean, efficient energy system rather than an old, dirty, inefficient one.
我可以自豪地说，美国在过去8个月里为提倡清洁能源和降低碳污染所做的工作超过了我国历史上任何一个时期。
And I am proud to say that the United States has done more to promote clean energy and reduce carbon pollution in the last eight months than at any other time in our history.
超过3亿人口喝不上清洁的饮用水，同时该国一半以上的河道受到严重污染。
More than 300 million people lack access to clean drinking water, and more than half of the country's waterways are badly polluted.
鱼类和其他野生动物似乎正逃离被漏油污染的墨西哥湾，聚集到沿岸清洁的水域避难，一些研究人员认为这一趋势可能是个不好的征兆。
Fish and other wildlife seem to be fleeing the oil out in the Gulf and clustering in cleaner waters along the coast in a trend that some researchers see as a potentially troubling sign.
减震材料和垫料必须防止货物在箱内的移动。所有减震材料和垫料必须清洁，干燥以减少货物受到腐蚀和污染的可能。
Cushioning and dunnage used must be clean and dry to minimize the item's susceptibility to.
在污染不太严重时，河水只要是流动的而且能接触植物、土壤、岩石，自身很快就会变清洁。
Rivers clean themselves quickly when pollution is not too great, so long as the water is moving and in contact with plants, soil and rock.
在污染不太严重时，河水只要是流动的而且能接触植物、土壤、岩石，自身很快就会变清洁。
Rivers clean themselves quickly when pollution is not too great, so long as the water is moving and in contact with plants, soil and rock.
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