Even if net emissions are outlawed, carbon neutral synthetic or bio-fuels will still be available. They will be significantly more expensive, but probably not t

Even if net emissions are outlawed, carbon neutral synthetic or bio-fuels will still be available. They will be significantly more expensive, but probably not to the point where flights are any more of a luxurious rarity than they are now (for most people). Tourist based economies will be viable as long as there are wealthy people who want to go there.