Substituting one serving of beef per day nearly halves the carbon footprint of US diets

substituting one serving of beef per day nearly halves the carbon footprint of us diets

Sumary of Substituting one serving of beef per day nearly halves the carbon footprint of US diets:

  • Implementing single-item food substitutions significantly reduced the carbon footprint and water scarcity footprint of participants’ diets, according to findings published in the American Journal of Clinical Nutrition.
  • For example, substituting poultry or pork for beef reduced carbon and water scarcity footprints by 48.4% and 29.9%, respectively, according to Diego Rose, PhD, MPH, RD, a professor of nutrition and food security in the School of Public Health and Tropical Medicine at Tulane University, and colleagues.
  • Single-item substitutions Substituting poultry or pork for one serving of ground beef per day yielded the greatest average 1-day reduction in GHGE, which decreased by 3.73 kg CO2-eq (48.4%).
  • While the study did not include plant-based meat analogues, research has shown that the carbon footprint of these products is much lower than that of ground beef and somewhat lower than that of turkey, they wrote.
  • Other replacements that yielded significant GHGE reductions included substituting shrimp with cod (34.1% reduction) and dairy milk with soymilk (8.1% reduction).

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