Trends in Nutrition and Carbon Footprint of Ontarians’ Dietary Choices

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Presentation transcript:

Trends in Nutrition and Carbon Footprint of Ontarians’ Dietary Choices ? Basak Topcu, Sadaf Mollaei, Goretty Dias WICI Workshop: Leveraging Systems Approaches to Improve Human & Planetary Health University of Waterloo April 25th, 2018

Food Systems (Ericksen, P. J. 2008) Production Consumption Environmental Feedback Socio-economic Feedback Social Welfare Food Security Environmental Security Image modified from Ericksen, P. J. (2008). Conceptualizing food systems for global environmental change research.

Food Systems (Ericksen, P. J. 2008) Production Consumption Environmental Feedback Socio-economic Feedback Social Welfare Food Security Environmental Security Image modified from Ericksen, P. J. (2008). Conceptualizing food systems for global environmental change research.

Global GHG Emissions of Agriculture Figure taken from IPCC. (2014). Summary for Policymakers, In: Climate Change 2014, Mitigation of Climate Change.

Quantifying CF of Food Products: Life Cycle Assessment All greenhouse gas emissions to make a food product. Upstream of Farm Products Cooking & Consumption Transportation To Household Production at Farm Retail Transportation To Processing Transportation To Retail Processing & Packaging

Research Questions What is the CF of dietary patterns in Ontario? How is this changing in the last 10-years? ?

? Methodology Analyze food consumption & identify dietary patterns Quantify 2015 CF of each food basket & Compare with 2004 CF (Veeramani, 2017) Formulate 2015 annual food baskets 2004 & 2015 Canadian Community Health Survey

10-Year Trend of Ontario Food Consumption 16% in total food consumption weight Shift from Red Meat  Poultry & Fish

10-Year Trend in Daily Calorie & Protein Intake of Actual Food Baskets Recommended daily calorie intake (2294 kcal) Recommended daily protein intake (51 protein gram)  

10-Year Trend in CF of Actual & Nutritionally-Balanced Food Baskets kg CO2 eq. kg CO2 eq.

CF Contribution of Food Categories & Products Omnivorous Actual Food Basket Beef Food Products Meat & Alternatives Others

Conclusions Diets high impact on environment Plant-based (vs animal-based) products  lower CF Shift towards plant-based products LCA systems method: diet - environment LCA CF is only one aspect; Water footprint, land use, biodiversity loss, etc.

References Ericksen, P. J. (2008). Conceptualizing food systems for global environmental change research. Global Environmental Change, 18(1), 234–245. https://doi.org/10.1016/j.gloenvcha.2007.09.002 IPCC. (2014). Summary for Policymakers, In: Climate Change 2014, Mitigation of Climate Change. (Contribution of Working Group III to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change). Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA. Retrieved from https://www.ipcc.ch/pdf/assessment-report/ar5/wg3/drafts/fgd/ipcc_wg3_ar5_summary-for-policymakers_approved.pdf Veeramani, A., Dias, G. M., & Kirkpatrick, S. I. (2017). Carbon footprint of dietary patterns in Ontario, Canada: A case study based on actual food consumption. Journal of Cleaner Production, 162, 1398–1406. https://doi.org/10.1016/j.jclepro.2017.06.025

Thank you