Author(s)

D. Andreis, M. Panzieri & M. P. Picchi

Abstract

Sustainability indicators for environmental certification of Siena province (Italy) D. ~ndreis', M. ~anzieri' & M. P. picchi2 1 Rina SPA, Genoa, Italy 2 Department of Chemical and Biosystems Sciences, Siena University, Italy Abstract Organizations which intend to obtain environmental certification following the international standards IS0 14001 [I] and the European Ernas [2] regulations are required to evaluate their environmental performance and to demonstrate its continuous improvement in accord to sustainable development principles. Thus getting and maintaining environmental certification needs the employment of methodologies to monitor systems' environmental performance through time. Emas suggests adopting indicators to measure the evolution of the organizations' environmental status. Dealing with complex systems, such as Siena province, common indicators (i.e. analytical pollution measures) are not sufficient to consider all the involved environmental aspects. "Macro" indicators able to

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