I'm sorry but telling people not to is a stupid and futile plan. At least here in the US (idk if anywhere else does this) I say we need to regulate the airlines to run those "unprofitable" flights as they do now, but without the subsidy money. The airlines, being unable to change the frequency or cost of those flights, will turn to the obvious solution: make flying more expensive across the board to subsidize those actually unprofitable but regulated routes. I put unprofitable in quotes earlier because that's the excuse the corps will cry with; their cries mean nothing though. Raising the cost of air travel will reduce demand and will also free up lots of tax dollars for better causes, at least one hopes lmao. Same thing for meat; telling people to go vegan/vegetarian won't work. Ceasing subsidization and increasing regulations (e.g. forcing more humane living standards for the animals) will raise prices letting the market do it's thing which is the best we can really do given the current economic structure of our society. This myth of "personal responsibility" in cases like this is harmful because people's actions are defined by systems, institutions and society at large.