The Water Footprint Network

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The Water Footprint Network (WFN) is an international organization that assesses the water footprint of products and services. It was founded in 2008 by a group of scientists and experts in the field of water resources management. The WFN's mission is to promote the sustainable use of water by providing businesses and other organizations with tools and resources to reduce their water footprint. The WFN's water footprint assessment methodology is based on the concept of virtual water. Virtual water is the water that is embedded in products and services. For example, the production of a cotton shirt requires a significant amount of water, which is the virtual water content of the shirt. The WFN's water footprint assessment methodology can be used to calculate the virtual water content of any product or service.

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The Water Footprint Network does not use a grading system, but instead provides companies with a water footprint score. The water footprint score is a measure of the total amount of water used to produce a product or service.

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