EMMELINE WATKINS / SCIENCE PHOTO LIBRARY EMMELINE WATKINS / SCIENCE PHOTO LIBRARY
Water footprint, conceptual image. High-speed photograph of an impact splash in green coloured water. The impact represents the concept of a water footprint. This is an ecological concept simillar to that of a carbon footprint. It is a measure of the demand (in volume) that a product or service has on freshwater resources. It may also be applied to the person or population that consumes those goods and services. The green colour represents water that lost due to evaporation from soil during the production of a crop or food product.
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