Deist, I don't think that any libertarian denies that we should have freer markets and less government interference in our societies. Further, I don't think any libertarian, presented with evidence that a free market would spontaneously mitigate climate change without anyone trying to do so, would advocate attempts to coerce people in the name of fighting climate change.
I agree with you that a freer market could potentially result in more land being covered by forest. I would also point out that a freer market could potentially result in more people being able to afford to eat meat on a regular basis, which would likely produce the opposite effect. I can't say what would actually happen. But either way, changes in land use practices are not widely thought to have the potential to singlehandedly stop climate change, especially if not consciously directed towards enhancing the sequestration of CO2. After looking over the IPCC's chapter on this issue, I think they probably did a better job than the EPA of addressing the area. It's not that long, and it's pretty clearly laid out. If you know of contrary evidence, I'd be more than happy to take a look.
On your latter post, I'd point out that climate change is not only vaguely an issue of conservation. That is, perhaps the problem is one of efficiently using the atmosphere's capacity to store CO2 without objectionable consequences. If we look at it that way, then it does become reasonable to think along the lines of, "It will be much easier to mitigate climate change when we have better technology, so we should delay some of our mitigation efforts until it is most economical." The problems with this thinking are somewhat familiar: it doesn't take into account the separateness of the people involved, it implies that our rights violating actions are okay, it involves a measure of uncertainty that will only harm others if we guess wrong, etc. But I definitely see the point being made. I guess I need to think about it some more.
Juan, I'm glad to see that without any apparent knowledge of the issue discussed in the chapter, you're already willing to toss it out as garbage because it was the result of a government funded project. I suppose, then, that you would have no problem with me rejecting every bit of "propaganda" produced by the libertarian think tanks of the world who are partly funded by the oil companies? Of course we should be skeptical of anything the government says about climate change, because the government is full of alarmists. Pay no mind to the fact that the US government has historically taken a much more skeptical stance on the issue of climate change than the mainstream scientific community... It's almost depressing to see fellow libertarians sound like this.
Capitalist, the difference is that there are more people; that seems pretty significant to me. If there were a food shortage, and you were eating 5 times as much as everyone else, I feel like it would be different than if you had 4 children who each ate exactly as much as everyone else. I take it that it is not unjust to have children, and that it is not unjust to be born; if you disagree, then that's another issue. I'm thinking this conversation might be worth having as a separate thread, though, since it's only loosely related to the issue of climate change.
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