utility3 sections · 22 items
Carbon Footprint by Activity Cheat Sheet
CO2 emissions for common daily activities including transportation, diet, energy use, and shopping with practical reduction tips.
Transportation (CO2 per mile/km)
| Item | Value |
|---|---|
| Driving (gas car) | ~404 g CO2/mile |
| Driving (hybrid) | ~200 g CO2/mile |
| Driving (EV) | ~100 g CO2/mile |
| Domestic flight | ~255 g CO2/mile per passenger |
| Long-haul flight | ~195 g CO2/mile per passenger |
| Bus/transit | ~89 g CO2/mile per passenger |
| Train | ~41 g CO2/mile per passenger |
| Cycling/walking | 0 g CO2 (direct emissions) |
Diet (CO2 per kg of food produced)
| Item | Value |
|---|---|
| Beef | 27 kg CO2 per kg |
| Lamb | 39 kg CO2 per kg |
| Cheese | 13.5 kg CO2 per kg |
| Pork | 12 kg CO2 per kg |
| Chicken | 6.9 kg CO2 per kg |
| Rice | 4 kg CO2 per kg |
| Vegetables | 2 kg CO2 per kg average |
| Legumes | 0.9 kg CO2 per kg |
Home Energy (Annual CO2)
| Item | Value |
|---|---|
| Average US household | ~7.5 tons CO2/year |
| Natural gas heating | ~3.5 tons CO2/year |
| Electric heating (gas grid) | ~2.5 tons CO2/year |
| Air conditioning | ~1.5 tons CO2/year |
| LED vs. incandescent | 75% less energy |
| Solar panels (avg home) | Offsets 3–4 tons CO2/year |
Tip: Use landscape orientation for wider tables
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