B
Yeah, so it's, it's less than clear. Like I said, I don't remember the article that well.
A
Yeah, yeah.
B
But, um, I don't know, I mean, what do you think we can, uh, I guess as individuals or as a group, do about, uh, air pollution?.
A
Uh, we can demand, uh, more efficient automobiles for one thing. I still think that's, that's, uh, one of our major causes of pollutants.
B
Uh-huh.
A
Uh, how we go about that, it's uh, uh, it's a little bit difficult.