Chicago is showing signs of becoming a national player in the organic food movement

With the nation's only USDA-certified organic retail bakery and one of the few organic pizza restaurants -- not to mention the recent rise of caterers and meal-delivery businesses offering meat, dairy and produce free of pesticides and antibiotics -- the Windy City is increasingly going against the grain of its own historic relationship to food.

And although the demand for organics is now outstripping supply, the cultural shift hasn't been easy for some of Chicago's organic-food pioneers.