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Carbon Footprint Calculator
Travel Emissions Calculation
How to Use
Transport Modes & Emissions
- 🚗 Car: Based on fuel consumption (gasoline: 2.31 kg CO₂/L)
- 🏍️ Motorcycle: More efficient than cars (4L/100km typical)
- 🚌 Bus: Shared emissions (0.089 kg CO₂/passenger-km)
- 🚂 Train: Very efficient (0.041 kg CO₂/passenger-km electric)
- ✈️ Airplane: High emissions, especially long-haul flights
- ⛴️ Ferry: Marine transport (0.113 kg CO₂/passenger-km)
- 🚴 Bicycle/🚶 Walking: Zero emissions
Flight Class Impact
- Economy: Standard emissions (1.0× multiplier)
- Premium Economy: 69% higher emissions (1.69×)
- Business Class: 133% higher emissions (2.33×)
- First Class: 233% higher emissions (3.33×)
Key Concepts
- Radiative Forcing: High-altitude emissions are more impactful (×2.7 for flights)
- Carbon Offsetting: Investing in projects to remove CO₂ from atmosphere
- Passenger-km: Emissions per passenger per kilometer traveled
- Fuel Efficiency: Vehicle consumption affects total emissions
Emission Equivalents
- Trees: One tree absorbs ~22 kg CO₂ per year
- Car Driving: Average car emits ~0.18 kg CO₂/km
- Home Energy: Average home uses ~0.41 kg CO₂/day
- Hamburgers: Beef production emits ~3.3 kg CO₂/burger
Reducing Your Carbon Footprint
- Choose Efficient Transport: Train > Bus > Car > Plane
- Share Rides: More passengers = lower per-person emissions
- Optimize Trips: Combine multiple purposes into one trip
- Consider Alternatives: Video calls instead of business travel
- Offset Emissions: Invest in verified carbon offset projects
Use Cases
- Trip Planning: Compare environmental impact of transport options
- Corporate Travel: Calculate and offset business travel emissions
- Personal Goals: Track and reduce your carbon footprint
- Education: Understand the environmental impact of travel choices