Mark Bittman on Twitter: "Much of Iowa's landscape has been reshaped to make large-scale mechanical farming productive. 50% of the corn is used to produce ethanol. Crops look like food, but no one's eating it. Inside a system that traps farmers + screws up the planet: https://t.co/PLQ9yNGWAi @heatedmag" / Twitter

He was on Morning Joe today talking about this subject. Very interesting and important.