饮食碳足迹计算器 — 公式

How to Calculate Your Diet's Carbon Footprint

Food production is a major source of greenhouse gas emissions, varying widely by food type.

Emission Factors (lbs CO2 per lb of food)

  • Beef: ~27 lbs CO2/lb
  • Poultry: ~6.9 lbs CO2/lb
  • Dairy: ~3.2 lbs CO2/lb
  • Grains & Vegetables: ~2.0 lbs CO2/lb

    • Formula

    Annual CO2 = Sum of (Weekly lbs * 52 * Emission Factor) / 2,204.6

    计算示例

    A person eats 2 lbs beef, 2 lbs poultry, 5 lbs dairy, and 10 lbs grains/veg per week.

    1. Beef: 2 * 52 * 27 / 2,204.6 = 1.27 metric tons
    2. Poultry: 2 * 52 * 6.9 / 2,204.6 = 0.33 metric tons
    3. Dairy: 5 * 52 * 3.2 / 2,204.6 = 0.38 metric tons
    4. Plants: 10 * 52 * 2.0 / 2,204.6 = 0.47 metric tons
    5. Total: 1.27 + 0.33 + 0.38 + 0.47 = 2.45 metric tons/year