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Questions regarding sustainable use of water, or water's impact on sustainability in general. For questions on [waste-water], [greywater], [seawater], [water-footprint] or [virtual-water] please use that tag.

Chemical formula: H2O

For questions on , or please use that tag.

For questions solely about the amount of water in a product use .

For question about the full impact of water usage in a product, service, or by a person or group of people use

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