I think this is where you and I differ. You're talking a lot about economic theory, but I don't think you're actually talking about climate change. The rapid extraction and widespread use of fossil fuels (among other things) drastically increased GHG emmisions, and these changes certainly occured under the stewardship of capitalist and socialist economies... but that's correlation, not causation.

You obviously see alot of problems with how the global economy operates (and the systems each nation uses to influence it); I understand that. This post lays out exactly what you like and don't like about each theory. Still, that's a different problem. A problem. Maybe a related problem, but not rising average global temperatures.

I certainly disagree with some of your cost assessments when discussing post capitalism. Solar is not free, ebooks require tremendous human costs to produce and market, and (as of now) it costs a hell of a lot more to have a lab assistant make you a high tech burger... I could go on. However, those disagreement aren't actually about climate change (GHG, warming planet, extreme weather events, etc.).