Where To Buy Ethical Meat?

My friend Rob wrote me the following e-mail yesterday and because it's such a good question, I thought I'd answer it right here on the blog.

Hey Adam, I was reading reviews of [Jonathan Safran:] Foer's new book "Eating Animals" on being a vegetarian and renewing my pledge to only eat "humane" meat -- free range, cruelty free, local, organic, etc. But I cannot for the life of me figure out which places are "approved." Is there any way to figure this out? Would this make for a good blog? It...