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Study on the transition of environmental impacts from food consumption by Japanese population in the 2000's.

Number: 1050

Author(s) : SAKAI Y., ARAKI T., ITAKURA K., FRESAN U.

Summary

The food system is a major contributor to greenhouse gas emissions (GHGe). The carbon footprint of diets in many high-income countries has been increasing over the years. This study investigated dietary changes in Japan between 2003 to 2019, and their impact on the environment. We performed life cycle assessment to assess dietary carbon footprint, using the IDEAv3.1 as main life cycle inventory database, and LIME 2 method for their characterization. Dietary GHGe slightly decreased during this period. Considering age categories, an increased was observed among the older age groups, revealing subtle dynamics in food habits and dietary carbon footprint. Between 2003 and 2019, a decrease in rice and sea products intake was observed in all age groups, with a corresponding significant decrease in dietary carbon footprint derived from rice and seafood. On the other hand, an increase in the intake of animal products led to an increase in the dietary carbon footprint derived from them. This study highlights the complex interplay between dietary change, age-related variation, and dietary carbon footprint, and provides essential insights for the development of sustainable dietary guidelines in Japan.

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Pages: 7 p.

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Details

  • Original title: Study on the transition of environmental impacts from food consumption by Japanese population in the 2000's.
  • Record ID : 30032530
  • Languages: English
  • Source: 8th IIR International Conference on Sustainability and the Cold Chain. Proceedings: June 9-11 2024
  • Publication date: 2024/06/11
  • DOI: http://dx.doi.org/10.18462/iir.iccc2024.1050

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