There is probably a place for desalted seawater in meeting future U.S. water needs, but research is needed to reduce the costs and impact on the environment, the National Research Council says.

• 淡化的海水，或许有可能在满足美国未来用水需求上取得一席之地，但仍有待进一步研究，以降低成本及对环境的冲击，国家研究委员会表示。