Nature Brains: Could you live on less than a bathtub of water a day?
Conservancy scientist, Rob McDonald, challenges himself and his family to live on 100 liters of water a day- 2/3 of a bathtub. McDonald and Conservancy scientist, Carmen Revenga, project that 1 billion city dwellers globally will have less than that to live on by 2050…unless cities build new infrastructure or begin new water conservation efforts.

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