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Measuring water use in a green economy

Water is an essential resource for virtually all aspects of human enterprise, from agriculture via urbanization to energy and industrial production. Equally, the many uses for water create pressures on the natural systems. This report analyses the different ways for quantifying and accounting for water flows and productivity within the economy (including environmental needs). Based on data from the literature, the report provides the current state of knowledge of the different indicators and tools for quantifying water productivity and highlights why this is important for developing robust allocation and management systems that preserve the natural capital. The report focuses on two main elements: the conceptual background and knowledge on how water use puts pressure on the environment; methodologies to quantify water availability and use and how this influences ecosystems.

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