Aviation emissions are usually seen as a technological issue; more efficient planes, better (sustainable) aviation fuel etc is the answer..... but what if organisational issues would make a more immediate impact:

reduce the number of semi-filled/empty flights (require all flights to be full to at least more fully booked);

reduce or even abolish business class, both expanding passenger numbers per flight (less flights) & putting off business travellers.

#emissions
theconversation.com/scrapping-…

Scrapping business class could halve aviation emissions – new study

Huge efficiency gains are available to airlines, without any new technologies – new study.

^{The Conversation}