Cap and trade really isn't the most complicated concept on the planet. But let's be honest -- it's not the simplest, either. There are plenty of folks who don't understand exactly how it works; at one point, that was true of the vast majority of Americans (and probably still is). And this is exactly why cap and trade's political opponents were able to convince many that it was really an 'energy tax' though it was really nothing of the sort. So, to simplify things, here's a nice infographic that break down how it works.