This is a very good article, titled Poor Taste, on Grist debunking a recent anti-sustainable, anti-organic and anti-local food rant in The Economist that even invokes one of the chief architects of the ill-fated Green Revolution.
I mean, point well taken that creating a truly environmentally conscious and sustainable food system is NOT just limited to what you put in your grocery cart, but that is no reason to throw the baby out with the bathwater . . . Heck, in this case, they are throwing out the entire bathtub.