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How can corporate water footprints be assessed? 


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Corporate water footprints can be assessed through various methods. One approach is to use survey scales to evaluate water footprint management initiatives implemented by companies, particularly in supply chains and the agriculture industry . Another method involves calculating the water footprint throughout the production cycle, from the supply chain to the end user, and making modifications to the standard calculation method to meet the specific requirements of each production unit . Additionally, a practical methodological approach has been proposed to assess the water footprint at the organizational level, combining the requirements of ISO 14046 for water footprint and ISO/TS 14072 for organizational life cycle assessment (O-LCA) . This approach provides guidance on scoping, inventory, and impact assessment phases, as well as data collection prioritization for water scarcity footprint studies . Furthermore, the organizational water footprint method based on ISO 14046 and ISO/TS 14072 has been used to assess the water scarcity footprint of companies, allowing for the identification of hotspots and the development of strategies to reduce water consumption in supply chains . Finally, spatially explicit water footprints can be developed using life cycle assessment to identify problematic materials and sources in a supply chain, taking into account the spatial distribution of water resources .

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The paper discusses the use of life cycle assessment (LCA) to assess corporate water footprints. It also mentions the use of spatially explicit methods, such as the water footprint network's standard for "WFA," which accounts for differences in water use based on regional water scarcity and irrigation needs.
The paper provides a method for assessing corporate water footprints based on ISO 14046 and ISO/TS 14072 standards.
The paper provides a practical methodological approach to assess corporate water footprints, which involves comparing ISO 14046 and ISO/TS 14072 standards and prioritizing data collection for water scarcity footprint studies.
The paper provides a set of measurement survey items that can be used to evaluate water footprint management initiatives implemented in agri-food supply chains. However, it does not specifically mention how corporate water footprints can be assessed.

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