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水荒

water scarcity

The General Assembly designated the first World Water Day in 1993, and on March 22 every year since, the focus has been on a different aspect of freshwater sustainability, including sanitation and water scarcity.
  联合国大会在1993年确定了首个世界水日,自此之后,每年3月22日被定为世界水日。世界水日的主题集中在淡水资源可持续利用的不同方面,包括水资源清洁状况以及水荒。

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