A couple reasons from the recent Regional Plan Association newsletter online you should buy food produced locally:
Fourthly, by buying the local apple I not only supported a farm with likely more sustainable practices, I probably helped to reduce other environmental impacts. The apple I purchased at the Greenmarket was grown on a farm located in Milton, New York in Ulster County, about 80 miles away. The Washington apple traveled 2,800 miles. Various academics have been studying what are known as “food miles.” Researchers at Iowa State University’s Leopold Center for Sustainable Agriculture found that on average local produce traveled about 56 miles to reach its destination while conventional produce averaged about 1,494 miles.
By definition, transporting food greater distances increases traffic congestion, road wear, and accidents, and uses more fossil fuels leading to air pollution and climate change. In an ideal world, these costs would be reflected in the price of the apple, but that’s not necessarily the case. While comprehensive evaluation is difficult, it’s probably the case that buying local places less of a demand on our finite natural resources.
Finally, by buying local I may contribute to a safer, more stable food system. The recent slew of E. coli deaths and illnesses attributed to tainted spinach and perhaps other vegetables help shed light on a serious flaw in industrial agriculture: it is vulnerable. Growing monoculture crops at such a large scale means that food infected at a relatively low number of sources can impact the entire country’s food supply. During the height of the spinach scare, I bought spinach from a local farmer without worry.