Maybe its because I live in Phoenix, but the local food movement has always seemed silly to me. To somehow argue that food grown in our 6 inches of annual rainfall is better for the environment than trucking product in from more suitable growing regions has always struck me as crazy. Russ Roberts links several good articles on the local food movement, one of which included this nice snarky observation:
The result has been all kinds of absurdities. For instance, it is sinful in New York City to buy a tomato grown in a California field because of the energy spent to truck it across the country; it is virtuous to buy one grown in a lavishly heated greenhouse in, say, the Hudson Valley.