它使污水的营养物质回馈到农作物，且使污水不致受到受污染的水道的影响。
It makes use of the nutrients in sewage to feed crops and keeps them from polluting waterways.
里约在2009年申请承办夏季奥运会时，承诺会清理受污染的水道并将80%的家庭纳入下水道系统中。
When Rio made its bid to host the Summer Games back in 2009, it promised to clean up the polluted waterways and connect 80% of homes to the sewage system.
每年，数以百万计的塑料瓶被丢弃，污染了土地和水道。
Every year, millions of plastic bottles are thrown away, polluting the land and waterways.
在菲律宾首都马尼拉，上千人参加了长跑活动，以此唤醒人们对帕西格河（Pasig River）的重视——这条菲律宾的主要水道已被严重污染。
In the Philippines, thousands of people in the capital Manila joined a run to raise awareness about the Pasig River - a major waterway that is heavily polluted.
动物粪便的流出物还污染了水道，未遮盖的粪堆释放出的氧化亚氮（ N2O） ，还会污染空气。
Run-off from animal manure also fouls watercourses, and the release of nitrous oxides from uncovered dung heaps pollutes the air.
树木不仅能为当地的含水层和集水区采集并过滤水，而且还有助于防止对水道造成污染并使干旱恶化的洪水暴发和溢流。
Not only do they help collect and filter water for local aquifers and watersheds, they also help prevent flash floods and runoff that pollute waterways and worsen droughts.
由于开挖新的航运水道，兴建新工厂，因为工业垃圾而产生污染，我们进一步的破坏地球。
We further damage Earth by constructing new water channels for shipping, building new factories and creating pollution with industrial waste.
当毛虫啃噬庄稼时，它们的排泄物就污染了(灌溉)水道和饮用水井。
As the caterpillars feed on crops, their waste pollutes waterways and drinking Wells.
垂直农业将仅仅依靠使用营养液的有机农业技术，这意味着不使用农药和化学肥料，也没有污染物流入到下水道。
Vertical farms will rely solely on hydroponic organic farming techniques, which means no pesticides, synthetic fertilizers and no pollution injected into waterways.
从下水道或者农场里出来的污染水引起藻类的过度生长，造成水里的氧气严重缺失，以至于鱼类和别的物种相继死去。
Pollution from sewage or farm waste can cause excess algae growth, starving the water of oxygen and causing fish and other species to die off.
研究结果表明北江谭洲水道水体受到了石油类、生活污水、塑料增塑剂和工厂排放污水等的污染。
The result showed that the water in Tanzhou Branch of North River is polluted by oils, domestic sewage, plastic plasticizer and waste water from manufactories.
首先，粉煤灰100%产生于废弃砖块、铺路石块和混泥土，这些都来自于中国的生产线。在中国这样的粉煤灰有数百万吨， 污染空气、阻塞下水道。
The first 100% "made from waste" bricks, pavers and aggregates are coming off the production line in China, where hundreds of millions of tonnes of fly ash contaminates the air and clogs waterways.
数百年来，河流和湖泊的自然水道因筑坝、改道引水、拓展和工业污染等原因遭到了破坏。
The natural course of rivers, streams, and lakes has been compromised by centuries of damming, diversion , sprawl, and industrial pollution.
分析了佛山水道沿岸河涌污染源的组成；
By scanning pollution source in the brook of Foshan Waterway;
塑料袋不会自然降解，它们被光裂解成愈来愈小的有毒碎片，持续污染着我们的土地和水道，同时也进入了动物的食物网而被意外地吞下。
Plastic bags do not biodegrade, they photodegrade breaking down into smaller and smaller toxic bits contaminating soil and waterways and entering the food web when animals accidentally ingest.
高校化学实验室产生的废液不经处理便直接排入下水道对环境造成严重污染。
The waste liquid of chemical experiment is often directly discharged into sewers in many college laboratories, which causes serious pollution to the environment.
利比里亚的官员称该国的农业中心面临着上千万的毛虫侵袭庄稼，污染水道。
The United Nations Food and Agriculture Organization says the caterpillars are invading houses in some areas. More than one hundred thousand people have fled their homes because of the insects.
利比里亚的官员称该国的农业中心面临着上千万的毛虫侵袭庄稼，污染水道。
The United Nations Food and Agriculture Organization says the caterpillars are invading houses in some areas. More than one hundred thousand people have fled their homes because of the insects.
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