When the economy slows down, two things happen. First, less carbon is emitted. Nobody likes to say this in polite company, but a global economic near-depression is probably the single best "program" one could imagine for curtailing carbon emissions. Vehicle miles traveled are down in the United States in spite of significantly cheaper gas prices; industrial production has slowed; China and India are not increasing their carbon usage as fast as anticipated. (link)
Al Gore is a genius.
I'd still vote him into office even now, after he's tipped his hand on his ultimate plan for the economy:
The first rule about cap-and-tax laws is you do not talk about cap-and-tax laws in an election year!
-t