How do you reduce the environmental costs of food consumption? Only eat local of course [sarc]. That's why Elizabeth Edwards--wife of presidential candidate John Edwards--is giving up tangerines:
The politics of global warming got very concrete, and oddly difficult, In a meeting with local environmentalists in the coastal town of McClellanville today, where Elizabeth Edwards raised in passing the importance of relying on locally-grown fruit.
"We've been moving back to 'buy local,'" Mrs. Edwards said, outlining a trade policy that "acknowledges the carbon footprint" of transporting fruit.
"I live in North Carolina. I'll probably never eat a tangerine again," she said, speaking of a time when the fruit is [sic] reaches the price that it "needs" to be.
The price it 'needs' to be is the price that results after all of the costs of production and consumption are fully internalized by buyers and sellers.