1. Virtual Water and Water Footprints in a Global Perspectives
... concept of water footprint was introduced in 2002 by A.Y. Hoekstra as an alternative indicator of water use. A water footprint consists of three components: the blue, green and gray water footprint. The blue water footprint is the volume of freshwater that evaporated from the global blue water resources namely surface water and ground water. The green water footprint is the volume of water evaporated from the global green water resources coming under rainwater stored in the soil ... it is 1695 m³ Person-1 Year-1 of British's. According to the water-related literature, one American is e...
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