From Tom Laskawy, on Grist.org:

One of the new, smaller "neighborhood markets" Walmart has been opening in urban areas.
“Reforming our food system is a Herculean task; one that might intimidate Hercules himself. Willie Nelson and Anna Lappe summed up the challenge recently in the Huffington Post:
Of the 40,000 food items in a typical U.S. grocery store, more than half are now brought to us by just 10 corporations. Today, three companies process more than 70 percent of all U.S. beef, Tyson, Cargill and JBS. More than 90 percent of soybean seeds and 80 percent of corn seeds used in the United States are sold byjust one company: Monsanto. Four companies are responsible for up to 90 percent of the global trade in grain. And one in four food dollars is spent at Walmart.
Meanwhile, author Eric Schlosser and urban agriculture pioneer Will Allen put the consequences of all this in sharp perspective in their afterword to the recently published book based on a 2011 Prince of Wales speech on the importance of sustainable agriculture. The essay reads: Continue reading