The total water used for producing a good or service. This refers to both water used directly (e.g. drinking water for an animal when calculating virtual water of meat) and indirectly (e.g. the water used to produce the animal feed that eventually is needed to produce meat). Virtual water of any good can be divided into three different types of water, depending on the source of water and the type of pollution caused: blue, green and grey water.
The total water used for producing a good or service. This refers to both water used directly (e.g. drinking water for an animal when calculating virtual water of meat) and indirectly (e.g. the water used to produce the animal feed that eventually is needed to produce meat). Virtual water of any good can be divided into three different types of water, depending on the source of water and the type of pollution caused: blue, green and grey water.
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