You asked why people talk about flying. This is a problem that can’t be solved at just a single angle. > And we certainly don’t want people driving 1000 miles

You asked why people talk about flying. This is a problem that can’t be solved at just a single angle. > And we certainly don’t want people driving 1000 miles instead of flying Not necessarily true. A single person in a gasoline car, yes, flying is probably slightly less dirty. More than one person in the car? Driving wins.