I don't actually know where Owen finds them, but here's another article he forwarded to me about how the "Slow, Local, Sustainable" movement is of no help to Africa and other countries with many in extreme poverty. The article suggests that people are less interested in supporting the modernization of agriculture in these places because of a belief that modern agriculture is so bad (a belief that, I will admit, I share). The U.S. is shipping food instead of investing in improved farming methods (according to the article), a real shame since this reaches way less people.
Here's the article:
Attention Whole Foods Shoppers