Write any two components of the water footprint introduced by Arjen Y Hoekstra.
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Answer:
The concept of a water footprint was coined in 2002, by Arjen Hoekstra, Professor in water management at the University of Twente, Netherlands, and co-founder and scientific director of the Water Footprint Network, whilst working at the UNESCO-IHE Institute for Water Education, as a metric to measure the amount of water consumed and polluted to produce goods and services along their full supply chain.[6][7][8] Water footprint is one of a family of ecological footprint indicators, which also includes carbon footprint and land footprint. The water footprint concept is further related to the idea of virtual water trade introduced in the early 1990s by Professor John Allan (2008 Stockholm Water Prize Laureate).
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