here's an article I just found from May of this year in Discover Magazine. (login from bugmenot is email@example.com / e4553f7b)
I find this fascinating. My question would be this then. IN tha last few paragraphs of the article they begin to talk about the processes effect on global warming. Throughout the article they state that they can process anything with carbon in it. Now, that being said, would it be possible to process the CO2 in our atmospehere into useable byproducts?