Author(s)

V. Niccolucci, M. Panzieri & E.B.P. Tiezzi

Abstract

Environmental accounting methodologies: an overview V. Niccolucci*, M. Panzieri* & E.B.P. Tiezzi^ * Department of Chemical and Biosystems Sciences, University of Siena, Italy. * Department of Mathematics, University of Siena, Italy. Abstract The assessment of sustainability requires alternative and integrated approaches for a deeper understanding of the complex network of interactions occurring between humans and the environment. In the present publication we will present an overview of some of the more interesting environmental accounting indicators (methodologies). The ecological footprint, as proposed by Wackernagel and Rees, quantifies the intensity of resources used and the waste discharge activity in a specified area in relation to the area's capacity to provide for that activity. Emergy analysis is an holistic methodology which can evaluate both the contribution of economics and environmental work on a common basis. Odum defines emergy as the solar energy dire

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