That's simply because higher classes occupy more space and thus proportionately are responsible for a higher percent of emissions. https://www.myclimate.org/fi

That's simply because higher classes occupy more space and thus proportionately are responsible for a higher percent of emissions. https://www.myclimate.org/fileadmin/myc/files_myc_perf/12_flight_calculator_documentation_EN.pdf https://www.myclimate.org/fileadmin/myc/files_myc_perf/12_fl...