BIO Web Conf.
Volume 12, 201941st World Congress of Vine and Wine
|Number of page(s)||6|
|Section||Economy and Law|
|Published online||19 February 2019|
Sustainable Wine Scoring System (SWSS): A life cycle assessment (LCA) multivariable approach
1 Environmental and Ecological Engineering, Purdue University, Indiana, USA
2 Material Engineering, Purdue University, Indiana, USA
Sustainable practices have become accepted by a large part of the wine community as a necessary step to face climate change challenges and natural resources depletion. Also, in recent years, there is a rising influence of sustainability on consumer’s buying decision. However, buyers fail to distinguish sustainable attributes from wine that is promoted under different sustainability labels. Moreover, wineries find it challenging to quantify the improvement of their environmental impact when following a specific sustainable practice. The objective of this study is to evaluate the methodology for the development of a Sustainable Wine Scoring System (SWSS). The SWSS aims to be a single numeric index of the sustainable attribute of a bottle of wine, constituted by multiple normalized indicators. Our initial approach for the SWSS is to quantify different environmental impact categories following a Life Cycle Assessment (LCA), to then normalizes and weighs the result regarding a reference region. We used as a case of study “Craft Wineries” in Indiana in the USA, as a non-traditional winemaking area. The impact assessment was conducted using SimaPro8.5 in accordance to TRACI2.1 for the USA. As result of our LCA, grape growing is the process that contributes the most to the ecotoxicity, non-carcinogenic, and eutrophication impact categories, while transportation stages contribute the most to global warming potential, smog, and ozone depletion. The calculated SWSS results vary from 279 for the scenario with the highest environmental impact to 350 for the best performance scenario. The SWSS has the potential to represent sustainable attributes of wine in a more suitable way than a single isolated indicator such as carbon footprint.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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