Utter waste, together with inefficient use of water reserves exacerbate the crisis.

浪费加水资源的非有效利用更加加剧了水危机。

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Continued inefficient use of water could threaten Europe's economy, productivity and ecosystems, a report has warned.

一项报告警告，持续低效利用水源将威胁欧洲的经济、生产力和生态系统。

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Wild flooding is inefficient in use of water and labor, but it irrigates land that can't be managed by other methods of surface irrigation.

漫灌的用水效率和劳动效率都是很低的，但它能用来灌溉那些不能采用其他地面灌水方法灌溉的土地。

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The film highlights key water quality problems such as lack of access to safe water and sanitation, inefficient wastewater management in urban areas, water pollution caused by intensive use of nutrients and chemicals in agriculture, the invisible threat of new and emerging pollutants in water and the economic costs of water quality degradation.

UNESCO: MEDIA SERVICES