The energy I was sensing in audiences was political energy, as much as anything else.

Of the seven deadly sins, surely it is pride that most commonly afflicts the gardener.

A growing body of research suggests that many of the health problems associated with eating beef are really problems with corn-fed beef.

In 2008, a year of supposed 'food crisis', we grew enough food to feed 11 billion people. Most of it was not eaten by humans as food, however.

The energy I was sensing in audiences was political energy, as much as anything else.

Instead of eating exclusively from the sun, humanity now began to sip petroleum.

It's estimated that about 30 percent of the increase in grain prices could be attributed to the decision to embrace biofuels, particularly corn-based ethanol. It has done nothing for climate change and the business is in real trouble now with the collapse of oil prices. It's completely dependent on a dollar subsidy and tariff from the government.