The need to develop innovative practices and technologies to maximize the use of what is naturally available is an ongoing challenge for MNA water experts, policymakers, and the general public.

对这个地区的水资源专家、决策者和普通民众来说，开发新的做法和技术以最大限度地利用大自然提供的资源是当前所面临的一个挑战。

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The need to develop innovative practices and technologies to maximize the use of what is naturally available is an ongoing challenge for MENA water experts, policymakers, and the general public.

对这个地区的水资源专家、决策者和普通民众来说，开发新的做法和技术以最大限度地利用大自然提供的资源是当前所面临的一个挑战。

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The private taking and use of public property, such as water from a river or lake. Not to be confused with condemnation or expropriation.

私人占据和使用公共资产，如河水或湖水。不要与没收地产或征用土地混淆。

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California won't allow public water utilities to use water containing MTBE with concentrations higher than 5 parts per billion, a standard cheered on by greenies and ethanol makers.

FORBES: Demonizing for Dollars

How can EPA use its role in improving water quality to provide more public access to waterfronts?

WHITEHOUSE: What You Missed: Open For Questions on the America's Great Outdoors Initiative | The White House

China, which suffers from soil, water and air pollution that is damaging public health, wants to use energy more efficiently and cut emissions.

FORBES: Ending China Pollution An Uphill Battle