Diet Carbon Footprint Calculator — Formula
## 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**
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**
Exemplo Resolvido
A person eats 2 lbs beef, 2 lbs poultry, 5 lbs dairy, and 10 lbs grains/veg per week.
- Beef: 2 * 52 * 27 / 2,204.6 = 1.27 metric tons
- Poultry: 2 * 52 * 6.9 / 2,204.6 = 0.33 metric tons
- Dairy: 5 * 52 * 3.2 / 2,204.6 = 0.38 metric tons
- Plants: 10 * 52 * 2.0 / 2,204.6 = 0.47 metric tons
- Total: 1.27 + 0.33 + 0.38 + 0.47 = 2.45 metric tons/year