Carbon Offsetting and Reduction Scheme for International Aviation - Wikipedia
ICAO on X: "Discover the ICAO Carbon Emissions Calculator, the official @UN tool to estimate carbon emissions from air transport, to find the most #sustainable travel options! Start calculating your carbon footprint
ICAO Carbon Emissions Calculator
Environmental Tools (E-tools)
8.2.1 Air emissions calculations - Network for Transport Measures
How do you calculate flight carbon footprint? A guide to flight emissions