The calculation below is used for our air CO2 reports that do not contain ICM in the report name.
Click Here for our page with the calculation for the air CO2 reports that use the ICAO calculation. These reports include ICM in the report name.
The calculation below is for our CO2 reports that do not have ICM in the name of the report. In My Reports search for keyword CO2.
17. GREEN PORTFOLIO FRAMEWORK ADDITIONAL RESOURCES – GHG FACTORS Common GHG conversion factors for determining GHG emissions performance based on energy use & travel.
Air travel:
Short haul (<281 miles): 0.2897 kg CO2/passenger mile
Medium haul (281-994 miles): 0.2028 kg CO2/passenger mile
Long haul (>994 miles): 0.1770 kg CO2/passenger mile
Note: Since refunds are less than 281 miles, because they are negative miles, they will be included in Short Haul. This may result in a negative total miles and CO2.