Put Your Green Where Your Mouth Is

OK, so the GW advocates --especially the Anthropogenic GW wing-- believe that we're all hurtling towards calamity, or worse, and that drastic steps must be taken now, by governmental mandate, if we're to have any hope of surviving the inevitability that looms before us. Then there are those who do not subscribe to any of it. Both sides claim the truth while chastizing the other. One problem is that there's no accountability, on either side. So, what if the members of both extremes were required to formally record their predictions regarding specific, measurable events? (Actually, many already have.) And what if the losers had to forfeit certain societal privileges, like free-speech or voting rights, as the cost of being wrong? What if there was a tangible risk to taking a position in the debate? ...What if?