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Water: The Liquid Lifesaver

Access to clean drinking water and proper sanitation are basic human rights. Many millions of people could face water shortages by 2025, with the average supply of water per person around the globe due to drop sharply. We explore the new techniques being developed to reduce our use of water.

30 minutes

Last on

Mon 22 Feb 2016 02:30GMT
蘑菇短视频 News North America

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