raw materials into intermediate and final products, the consumption of final products, and other human activities. Residuals recycled or reused at the place of generation are excluded.
Preservation, control, and development of water resources, both surface and groundwater, and prevention of pollution.
Water quality index:
Weighted average of selected ambient concentrations of pollutants, usually linked to water quality classes.
Willingness to pay:
See contingent valuation.
World Resources Institute.
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Appendix D Glossary ."
Nature's Numbers: Expanding the National Economic Accounts to Include the Environment . Washington, DC: The National Academies Press,
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