The water resources quantity of the second assessment is less than that of the first assessment due to the comprehensive influence of climate and human activity.

与第一次评价相比，第二次评价水资源量有所减少，这是气候与人类活动综合作用的结果。

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It would also take a huge quantity of water and phosphorus fertilizers, resources we are straining to their limits.

这还将需要耗费数量庞大的淡水和磷肥，它们都是亟待限制其使用规模的资源。

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The theme of this year's World Water Day, “Clean Water for a Healthy World”, emphasizes that both the quality and the quantity of water resources are at risk.

今年世界水日的主题是“保障清洁水源，创造健康世界”，强调水资源质量和数量都面临威胁。

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The challenge of the Decade is to focus attention on action-oriented activities and policies that ensure the long-term sustainable management of water resources, in terms of both quantity and quality, and include measures to improve sanitation.

UNESCO: OFFICE IN TASHKENT