80% of wastewater around the world is not treated at all, and it is running into oceans.

世界上80%的废水根本没有得到处理，它们正在流入海洋。

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Mulroy saw to it that treated wastewater, not drinking water, went to all the splashy exterior and interior las Vegas extravagances.

马尔罗伊看到经过处理的废水并没有被引用，而是被用在了拉斯维加斯奢华的室内与户外的方方面面。

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The reverse-osmosis process is increasingly being used not just for desalination, but to recycle wastewater, too.

逆渗透法工序不止是在海水淡化工业得到越来越多的应用，它在废水再生工业界也大展身手。

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What is required is to make sure that the drilling fluids and frack wastewater do not come in contact with the fresh water aquifers when the wells are being drilled, completed, or produced.

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Peter Frost, executive director of the Douglasville-Douglas County Water and Sewer Authority, said Google is saving taxpayer money as the local government now does not have to treat as much wastewater.

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For all the attention given to technologies like horizontal drilling and hydraulic fracturing, some of the greatest gains to be made in reducing the environmental risks of natural-gas production come from simple things like the proper pouring of cement well casings and the proper handling of chemicals and wastewater, so that they do not spill or seep into streams or water supplies.

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