Pankti Shah, Özge Geyik, Carla L. Archibald, Michalis Hadjikakou
{"title":"可持续食品的选择需要特定产品的环境足迹:澳大利亚包装食品的案例","authors":"Pankti Shah, Özge Geyik, Carla L. Archibald, Michalis Hadjikakou","doi":"10.1016/j.spc.2024.07.002","DOIUrl":null,"url":null,"abstract":"<div><p>The current food system is a major driver of global environmental change. Despite significant research interest in the environmental impacts of alternative diets, most studies estimate the effects of dietary shifts based on assumed changes in the consumption of raw agricultural commodities instead of simulating changes in the actual food and beverages consumed. In response to increasing consumer demand for product-specific health and sustainability labelling on packaged food products, it is necessary to develop robust environmental footprinting approaches to estimate the environmental impacts of foods and beverages available through retail outlets. This study quantifies the environmental impacts of 63,926 packaged food products in Australian supermarkets across five indicators including greenhouse gas emissions, land use, water use, acidification, and eutrophication potential. We integrated cradle-to-retail environmental estimates from life cycle assessment databases with ingredient proportions derived through a linear programming algorithm to measure product-specific impacts. Meat products consistently showed the highest impacts across all environmental indicators, while fruits, vegetables, plant-based meat alternatives, and non-alcoholic beverages had the lowest impacts. This study also shows that the dietary environmental footprints of Australian consumers can be significantly reduced by switching from high-impact to low-impact products within the same food category (e.g., meat products). Transitioning from high-impact to low-impact products across all food categories could reduce greenhouse gas emissions by up to 96 %, with synergies across all other environmental indicators. The comprehensive results of this study can empower consumers, producers, and governments to identify context-specific opportunities for improving food system sustainability in Australia.</p></div>","PeriodicalId":48619,"journal":{"name":"Sustainable Production and Consumption","volume":null,"pages":null},"PeriodicalIF":10.9000,"publicationDate":"2024-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2352550924001945/pdfft?md5=b5d8624b8cba01bc14158b647e166b62&pid=1-s2.0-S2352550924001945-main.pdf","citationCount":"0","resultStr":"{\"title\":\"Sustainable food choices require product-specific environmental footprints: The case of packaged food in Australia\",\"authors\":\"Pankti Shah, Özge Geyik, Carla L. Archibald, Michalis Hadjikakou\",\"doi\":\"10.1016/j.spc.2024.07.002\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>The current food system is a major driver of global environmental change. Despite significant research interest in the environmental impacts of alternative diets, most studies estimate the effects of dietary shifts based on assumed changes in the consumption of raw agricultural commodities instead of simulating changes in the actual food and beverages consumed. In response to increasing consumer demand for product-specific health and sustainability labelling on packaged food products, it is necessary to develop robust environmental footprinting approaches to estimate the environmental impacts of foods and beverages available through retail outlets. This study quantifies the environmental impacts of 63,926 packaged food products in Australian supermarkets across five indicators including greenhouse gas emissions, land use, water use, acidification, and eutrophication potential. We integrated cradle-to-retail environmental estimates from life cycle assessment databases with ingredient proportions derived through a linear programming algorithm to measure product-specific impacts. Meat products consistently showed the highest impacts across all environmental indicators, while fruits, vegetables, plant-based meat alternatives, and non-alcoholic beverages had the lowest impacts. This study also shows that the dietary environmental footprints of Australian consumers can be significantly reduced by switching from high-impact to low-impact products within the same food category (e.g., meat products). Transitioning from high-impact to low-impact products across all food categories could reduce greenhouse gas emissions by up to 96 %, with synergies across all other environmental indicators. The comprehensive results of this study can empower consumers, producers, and governments to identify context-specific opportunities for improving food system sustainability in Australia.</p></div>\",\"PeriodicalId\":48619,\"journal\":{\"name\":\"Sustainable Production and Consumption\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":10.9000,\"publicationDate\":\"2024-07-06\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://www.sciencedirect.com/science/article/pii/S2352550924001945/pdfft?md5=b5d8624b8cba01bc14158b647e166b62&pid=1-s2.0-S2352550924001945-main.pdf\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Sustainable Production and Consumption\",\"FirstCategoryId\":\"93\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S2352550924001945\",\"RegionNum\":1,\"RegionCategory\":\"环境科学与生态学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"ENVIRONMENTAL STUDIES\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Sustainable Production and Consumption","FirstCategoryId":"93","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2352550924001945","RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ENVIRONMENTAL STUDIES","Score":null,"Total":0}
Sustainable food choices require product-specific environmental footprints: The case of packaged food in Australia
The current food system is a major driver of global environmental change. Despite significant research interest in the environmental impacts of alternative diets, most studies estimate the effects of dietary shifts based on assumed changes in the consumption of raw agricultural commodities instead of simulating changes in the actual food and beverages consumed. In response to increasing consumer demand for product-specific health and sustainability labelling on packaged food products, it is necessary to develop robust environmental footprinting approaches to estimate the environmental impacts of foods and beverages available through retail outlets. This study quantifies the environmental impacts of 63,926 packaged food products in Australian supermarkets across five indicators including greenhouse gas emissions, land use, water use, acidification, and eutrophication potential. We integrated cradle-to-retail environmental estimates from life cycle assessment databases with ingredient proportions derived through a linear programming algorithm to measure product-specific impacts. Meat products consistently showed the highest impacts across all environmental indicators, while fruits, vegetables, plant-based meat alternatives, and non-alcoholic beverages had the lowest impacts. This study also shows that the dietary environmental footprints of Australian consumers can be significantly reduced by switching from high-impact to low-impact products within the same food category (e.g., meat products). Transitioning from high-impact to low-impact products across all food categories could reduce greenhouse gas emissions by up to 96 %, with synergies across all other environmental indicators. The comprehensive results of this study can empower consumers, producers, and governments to identify context-specific opportunities for improving food system sustainability in Australia.
期刊介绍:
Sustainable production and consumption refers to the production and utilization of goods and services in a way that benefits society, is economically viable, and has minimal environmental impact throughout its entire lifespan. Our journal is dedicated to publishing top-notch interdisciplinary research and practical studies in this emerging field. We take a distinctive approach by examining the interplay between technology, consumption patterns, and policy to identify sustainable solutions for both production and consumption systems.