[titzer]

Thanks for the link, I didn't realize acid rain was as widespread a problem as it appears to be....which actually reinforces my point, in that the emissions that give rise to acid rain haven't stopped, they've just been reduced.

I haven't moved any goalposts on anything, it's just different standards. When someone says "I've solved problem X" one would assume that X is no longer a problem. That's the common assumption. All of the problems you mentioned and I commented on are still problems. The ozone hole is still a major problem that kills people and is affecting our planet. We project it will be closed, but it ain't closed. (And there have been flare-ups of CFC emissions). It's also a problem then once solved (when both of us are dead probably), will require constant vigilance against.

Your post came off as very rosy, like all these problems are solved and are in the past. Not the case.