I'm not an expert in acid rain, but I would suggest that CO2 is not really a factor in it. CO2 does dissolve (a bit) into water in the atmosphere, but it doesn't form a very strong acid - it just seems that the water/CO2 ratio isn't high enough to hydrate enough CO2 to really drive a lot of reaction. Now, CO2 adsorption into bodies of water and then acidification of that water might be an issue. But, I'm thinking SOx is by far the bigger driver of acid rain. As for smog, I'm not sure that CO2 would play a large role either...it would seem that CO would be more likely to participate in the ozone cycle leading to smog rather than CO2.
On a related note, GS, as you point out, sulfur emissions are way down...but I would suggest this is because they were driven down, not because it just happened. And, GS, CO2 may not be a classical pollutant, but I don't see how that would explain why it can't cause warming.
Glad we can generally agree on most of the facts on this topic.
Three things;
1.
Now, CO2 adsorption into bodies of water and then acidification of that water might be an issue.
Very doubtful, at any rate the radical enviro claim that acidification is killing coral reefs is an outright lie and they know it.
We do need to learn more about interaction of oceans and CO2. Since oceans cover 70% of the Earth, if you do the math, human emmissions of CO2 and oceanic CO2 levels equate to something like monkey farts contributing to noise levels in a thousand square mile rain forest.
I'm not even sure CO2 added to water would 'acidify' that water. (what is the actual scientific reality?)
2.
On a related note, GS, as you point out, sulfur emissions are way down...but I would suggest this is because they were driven down, not because it just happened.
It happened because we have been cleaning up our act for over a half century with cost effectivemethods, and generally with rational approaches to the problem.
We need a separtate thread on what to do with solid or liquid, toxic wastes.
I would respect your views on the specifics of toxic wastes since you are working on you PHD in chemistry but I do have some practical insight into the problems of the disposal of those wastes.
Would you be surprised if you found that we have in America places that make Love Canal look like Walden Pond?
The EPA is about as helpful to the problem as say Al Capone would be to prohibition.
No! The EPA is so full of confirmation bias, overanxious to kowtow to power hungry big government, irresponsible profit greedy multinational corporatism, and ruling elitist funded NGOs with money to burn and BS proclamations that bear little if any relationship to reality that one must face the fact that what they are really doing is driving the small time businesses out of business and small farmers off their lands.
The EPA would rather tax cow farts than do the damned job it is commissioned to be doing! They would rather attack a pig farm than a chemical factory. They would rather stop a farmer from preventing a creek from taking over his bottomland than any number of other more worthile efforts and in many cases using the 'endangered species act', just flat out confiscate peoples property without due compensation as is mandated in the US Constitution!!!
When a guy who worked as a personal assistant to three governors in two states can't even get a simple reply from the EPA, not to mention some response to a particular problem then you can realize the EPA is FOS and part of the problem rather than part of the solution.
3.
And, GS, CO2 may not be a classical pollutant, but I don't see how that would explain why it can't cause warming.
CO2 is essential to life on Earth.
CO2 would be a factor but minescule compared to other factors.
To say that it could be the magic trigger that would cause either runaway global warming or runaway climate change is not only ludicrous, it's lunatic fringe. (or perhaps fraud for profit.)