4 June 2021, Qatar Airways Press Releases: “Qatar Airways Group is dedicated to environmental leadership across all of its entities, including airlines , airport operations , aviation and catering services, retail outlets and hotels….Voluntary Carbon Offset Programme for Passengers: To put this into perspective, one tonne of CO2 is the average emission of one passenger on a return-flight from Paris to New York. It is also the amount of CO2 produced by driving 6,000km with a diesel.” Especially this press release from 04 June 2021 is to be appreciated very much, since it lines out, what the airline did already for a sustainable future of our planet. Please find there a list of admirable initiatives https://www.qatarairways.com/en/press-releases/2021/June/worldenvironmentday.html?activeTag=Press-releases.