Right, but (from what I remember from an article I read years ago) emissions from aircraft are worse, pound for pound of CO2, than those of a car because they'r

Right, but (from what I remember from an article I read years ago) emissions from aircraft are worse, pound for pound of CO2, than those of a car because they're deposited directly into the upper atmosphere as opposed to at ground level. I don't remember exactly why, but it's worse because of its location rather than the actual amount.