It is estimated that the global food system produces the equivalent of **** billion metric tons of carbon dioxide emissions (tCO2e). Of this total, land use and agricultural production contribute *** billion tCO2e and *** billion tCO2e, respectively. The supply chain - which includes processing, transport, packaging, and retail - is estimated to account for ** percent of food system emissions.
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OWID, & Expert(s) (Crippa et al. (2021)). (March 18, 2021). Greenhouse emissions from the global food system, by category* (in billion metric tons of CO2 equivalent) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 30, 2026, from /statistics/1244516/greenhouse-emissions-from-food-system-categories-worldwide/
OWID, und Expert(s) (Crippa et al. (2021)). "Greenhouse emissions from the global food system, by category* (in billion metric tons of CO2 equivalent)." Chart. March 18, 2021. ÌÇÐÄÆƽâ°æ. Accessed July 30, 2026. /statistics/1244516/greenhouse-emissions-from-food-system-categories-worldwide/
OWID, Expert(s) (Crippa et al. (2021)). (2021). Greenhouse emissions from the global food system, by category* (in billion metric tons of CO2 equivalent). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 30, 2026. /statistics/1244516/greenhouse-emissions-from-food-system-categories-worldwide/
OWID, and Expert(s) (Crippa et al. (2021)). "Greenhouse Emissions from The Global Food System, by Category* (in Billion Metric Tons of Co2 Equivalent)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 18 Mar 2021, /statistics/1244516/greenhouse-emissions-from-food-system-categories-worldwide/
OWID & Expert(s) (Crippa et al. (2021)), Greenhouse emissions from the global food system, by category* (in billion metric tons of CO2 equivalent) ÌÇÐÄÆƽâ°æ, /statistics/1244516/greenhouse-emissions-from-food-system-categories-worldwide/ (last visited July 30, 2026)
Greenhouse emissions from the global food system, by category* (in billion metric tons of CO2 equivalent) [Graph], OWID, & Expert(s) (Crippa et al. (2021)), March 18, 2021. [Online]. Available: /statistics/1244516/greenhouse-emissions-from-food-system-categories-worldwide/
