I'll probably catch shit for this, but I'm going to say it anyway: the normalization of casual air travel was a mistake. I think there is a time and place for it, but it isn't something that should be done lightly.

Indeed

https://www.yesmagazine.org/issue/life-after-oil/2016/02/11/how-far-can-we-get-without-flying

Hour for hour, there’s no better way to warm the planet than to fly in a plane.