A
Oh, they didn't say, they didn't say what though, they just said they thought it was,
B
They didn't say what, they just said they thought acid rain's contribution may be less than was previously suspected. Um, that it may be other natural things at work. Um,
A
Uh, natural disease,
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?.