NYTimes: Math Lessons for Locavores

"It takes a teaspoon of diesel to ship a pound 3000 miles by train, and 3 tsp by truck."
"The best way to make the most of these truly precious resources of land, favorable climates and human labor is to grow [produce] in the places where they grow best and with the most efficient technologies — and then pay the relatively tiny energy cost to get them to market, as we do with every other commodity in the economy."

OP-ED CONTRIBUTOR: Math Lessons for Locavores

Eating locally grown produce is a fine thing in many ways. But it is not an end in itself, nor is it a virtue in itself.

http://nyti.ms/bc4Sbq