许多被污染的河流现在干净多了。
现在芝加哥的废水正在排入芝加哥河，该城市的下一步是清理被污染的河流。
Now Chicago's waste water was draining into the Chicago River, the city's next step was to clean the polluted river.
没有利用价值的部件会被直接丢弃，已经被污染的河流因此变成了致命烂泥沟。
What can't be recycled is simply dumped, turning already poisoned rivers into toxic sludge.
专家们在某社区设立了污水处理设施方便居民领取干净水，以避免从被污染的河流和小溪取水。
Experts set up a water treatment facility where one community could come to collect clean water, instead of retrieving it from contaminated rivers or streams.
向受到严重有机污染的河流充入溶解氧可以有效消除水体的黑臭，改善水质和恢复生态平衡。
Oxygen restoration is one of the effective measures to clean foul water, improve water quality and restore the eco-balance.
很多年前，环境污染所带来的最突出问题时河流和水的颜色被改变，一些鱼甚至死于被污染的河流。
Manyyears ago, the most prominent problem of the polluted environment is that theriver and the water were changed their color, some fish even died for thepolluted river.
很多年前，环境污染所带来的最突出问题时河流和水的颜色被改变，一些鱼甚至死于被污染的河流。
Many years ago, the most prominent problem of the polluted environment is that the river and the water were changed their color, some fish even died for the polluted river.
今天早晨50英里长的一段遭受苯污染的河流到达哈尔滨，根据合众社的报道，石忠信(音译)，哈尔滨水利局的主任，在电视上说。
A 50-mile stretch of the river carrying the benzene reached Harbin this morning, Shi Zhongxin, director of the city's water bureau, said on state television, according to the Associated Press.
来自夏威夷大学的生物学家JonPuritz主导的一项研究表明，污水处理系统和受污染的河流排放的水会使得这种海星发生基因变异。
A study led by biologist Jon Puritz of the University of Hawaii found discharges from water treatment systems and contaminated rivers led to genetically different sea star populations of the species.
不像来自那些污秽场所的肉，它不会污染河流和小溪，不会大量消耗地下水，也不会引起滥伐森林。
Unlike meat from those filthy places, it will not pollute rivers and streams, deplete groundwater or cause deforestation.
一个环保组织发现贵屿的空气、土地和河流严重污染。
An environmental group has found the air, the earth and the rivers in Guiyu badly polluted.
重工业排放的有毒化学物质污染着我们的河流。
塑料在户外被焚烧，化学药剂被排入河流，环保组织 Greenpeace发现贵屿的空气、土地和河流被严重污染。
Plastic is burned outdoors and chemical water is poured into rivers, Greenpeace, an environmental group, has found the air, the earth and the rivers in Guiyu badly polluted.
必须阻止工厂把被污染的水倒入河流和湖泊。
Factories must be prevented from pouring polluted water into rivers and lakes.
只要我们去美国东北或南部一条没有受到保护的河流看看就知道它们如何受到污染的。
Just go to one of the unprotected rivers in the Northeast or South and see how polluted they are.
这对农民来说是个好消息，对农场来说更是好消息，因为可以少用些损伤田地、污染河流的富氮肥料。
That is good news for farmers and even better for farms because less nitrogen-rich manure pours out to poison fields and pollute rivers.
并且不像来自那些污秽场所的肉，它不会污染河流和小溪，不会大量消耗地下水，也不会引起滥伐森林。
And unlike meat from those filthy places, it will not pollute rivers and streams, deplete groundwater or cause deforestation.
全球气候、区域降雨及河流正在逐渐被海藻类污染，缺氧引起鱼类死亡，影响当地居民的生活及休闲娱乐。
Many freshwater lakes and rivers were becoming contaminated by algae, starving them of oxygen and killing off fish, affecting local livelihoods and recreation for local populations.
铝矿冶炼过程会产生一种有毒的"红色污泥"，如果它们被冲洗进河流时会带来严重污染。
The process by which it is refined also produces a toxic "red sludge", which can cause serious pollution if it washes into streams and rivers.
家畜的粪便也是一个问题，其排泄时产生大量甲烷气体，粪便会被雨水冲走，有可能污染河流、湖泊、甚至地下水。
Manure is also a problem, since it gives off methane and can be washed away by rain, potentially poisoning rivers, lakes or even groundwater.
根据世界野生动物基金会(WWF) 2007年的世界10大处境危险河流的报道，河水已经被污水和工业废水严重污染。
The river is also heavily polluted by sewage and industrial runoff according to the World Wildlife Fund's (WWF) 2007 report World's Top 10 Rivers at Risk.
还有，工厂式农场径流，是的，我指的是动物粪便，正在制造径流污染危机，威胁我们的河流和海洋。
Also, factory farm run-off a yes ia m talking about all that animal waste - is creating a run-off pollution crisis that is threatening our rivers and oceans.
而且，许多河流湖泊被工厂排放的污水所污染，鱼不能生存。
What's more, a lot of rivers and lakes are beginning polluted by the waste watcr from factories. Fish can't live in them any longer.
湖泊河流正在被严重污染，这使淡水的短缺变得愈加严重。
Lakes and rivers are becoming seriously polluted, which aggravates (worsens) the shortage of fresh water.
洁净水：在南非开普敦的马斯弗梅勒勒，一个小男孩正在喝水，水来自毗邻一条受污染河流的社区洁净水源。
CLEAN WATER: A boy drinks water from a communal clean water source next to a contaminated river in Masiphumelele, Cape Town, South Africa. (Photo: ZUMA Press)
提亚特河的泡沫污染在河流流经水坝的地方尤为严重，正如9月2日在皮拉波拉的邦热苏斯所拍摄到的照片一样。
The Tietê River's foamy pollution is especially intense in areas where the river passes through dams, such as in Pirapora do Bom Jesus, pictured on September 2.
提亚特河的泡沫污染在河流流经水坝的地方尤为严重，正如9月2日在皮拉波拉的邦热苏斯所拍摄到的照片一样。
The Tietê River's foamy pollution is especially intense in areas where the river passes through dams, such as in Pirapora do Bom Jesus, pictured on September 2.
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