Brief Research ReportPublished 12 October 2026Comparison of food carbon footprints using 20- and 100-year timeframesKatie Osborn · Silas Crocker · Kira Presley · Alexis Shenkiryk · Maggie Spire · Jennifer Molidor · Mansha Kapur · Jennifer A. JayFrontiers in Sustainable Food Systemsdoi 10.3389/fsufs.2026.1717648