Eco-efficiency is defined by WBCSD as the relationship between product or service value and environmental influence. Indicators that are generally applicable to the environmental influence of product/service creation include energy and materials and water consumption, as well as greenhouse gas and ozone-depleting substance emissions. WBCSD considers acidification emissions and total waste could be added if agreement could be found on how to measure them. Business specific indicators are individually defined for different sectors in order to make the framework flexible enough to find wide acceptance and be easily interpreted.
The WBCSD lays claim to inventing the concept of eco-efficiency in 1992 and has been championing the cause through its European eco-efficiency initiative (EEEI). Last year, the group called on the European Commission to draft an EU action plan for eco-efficiency (ENDS Daily 8 December 1999).
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