Pennywise Eat Local Challenge

There is an annual challenge put forth here in the bay area to try and eat foods that come from a 100 mile radius. This not only means eating locally produced foods, but even the ingredients should be local as well. I've heard many reports that eating locally has a stronger impact than eating organically. With the additionally "Pennywise" aspect, the challenge volunteers also agree to spend no more than $10/person per day. Sounds pretty tough to me! I didn't know that there is no locally grown flour, so that means no bread or pizza. Ouch! Here is an article from the Chronicle:
Eating locally for less