I don't contest your overall point, but this calculator suggests that the actual CO2 contribution by an economy class round trip flight from NYC to London is tw

I don't contest your overall point, but this calculator suggests that the actual CO2 contribution by an economy class round trip flight from NYC to London is twice that amount (2.1 tons): https://co2.myclimate.org/en/portfolios?calculation_id=2246138 https://co2.myclimate.org/en/portfolios?calculation_id=22461...