Flight Carbon Removal

Remove your flight emissions today. Add one 115 kg unit for every hour you fly.

The CO₂ is physically removed from the atmosphere and durably stored for centuries, certified by Puro.earth. You receive public registry proof within one month of purchase.

115 kg of CO₂ removal equals the total global warming impact of one passenger flying in economy class for one hour: fuel burned, fuel production, and high-altitude atmospheric effects such as contrails. It's a global average built on an analysis of 27 million commercial flights. See detailed calculations below.

Economy class - add one unit per flight hour, return flights included.
Business class - multiply your flight hours by 3 to account for the larger cabin space.

Examples:

• 2-hour flight (e.g. New York–Chicago): 2 units, 230 kg of CO₂, €46
• 7-hour round trip (e.g. Helsinki–Naples): 7 units, 805 kg of CO₂, €161
• 13-hour long-haul, one way (e.g. London–Singapore): 13 units, 1,495 kg of CO₂, €299

The price reflects what durable carbon removal costs: the amount of CO₂ you purchase has already been locked away from the atmosphere for centuries, which costs more than funding projects that aim to reduce future emissions. See what the price is based on →

Read our founder's blog post on removing emissions from flights to Italy →.

Calculation data and methods:

1. Direct CO₂ Emissions: 84.4 g/pkm (TTW)
   This "Tank-to-Wake" (TTW) number represents the direct CO₂ emissions from the jet fuel burned during the flight. We use 84.4 g per passenger-kilometer (pkm), which is derived from the analysis of 27 million actual commercial flights, reflecting a real-world average across all aircraft types and global regions and accounts for actual passenger occupancy.
   Source: University of Oxford - Global Aviation Study 2026
   
   
2. Non-CO₂ Multiplier: 1.7 (RFI / GWP100)
   The Radiative Forcing Index (RFI) is a multiplier used to calculate the Global Warming Potential (GWP) of non-CO₂ effects of flying, such as nitrogen oxides and water vapor, which create heat-trapping contrails at high altitudes. We use RFI 1.7 based on a 100-year time horizon (GWP100), which is a widely accepted baseline and commonly used in corporate ESG reporting and GHG Protocol compliance. 
   Source: Harmonised Guide on Flight Emissions 2026
   
   
3. Upstream CO₂ Emissions: 20.3% (WTT)
   The "Well-to-Tank" (WTT) ratio accounts for the carbon footprint of the jet fuel before it reaches the aircraft, including crude oil extraction, refining, and global transport to airports. We apply a 20.3% uplift to ensure we account for the full life-cycle of the fuel, not just the portion burned in the air. This is derived by calculating the percentage difference between the ICAO Global Baseline for a full life-cycle (89.1 g CO₂e/MJ) and the standard direct combustion value (74.1 g CO₂e/MJ).
   Source: ICAO CORSIA Eligible Fuels page
   
   

4. Average Flight Duration: 2h 15min
   The current global average duration for a commercial passenger flight segment. We use 2.25-hour average to calibrate our efficiency data. This allows us to offer a standardized "1 Hour" unit that is accurate for the majority of global travelers.
   Source: Aviation Week: 2025 Flight Hours Analysis

5. Flight Distance per Hour: 700 km
   The average distance a commercial aircraft covers in one "Block Hour" (gate-to-gate). We use 700 km to account for the total flight journey. It is calculated using the average distance per commercial passenger flight of 1,578 km, derived from the study (43.3bn kilometers flown divided by 27.45m flights), and then divided by the current global average flight duration of 2.25 hours. This results in an average block speed of approximately 700 km per hour.
   Source: University of Oxford - Global Aviation Study 2026
   
   
6. Calculation:
   1. Direct CO₂: 700 km x 0.0844 kg = 59.08 kg
   2. Non-CO₂ (1.7x): 59.08 kg x 0.70 = 41.36 kg
   3. Upstream (20.3%): 59.08 kg x 0.203 = 11.99 kg
   --> Total: 112.43 kg, rounded up to 115 kg