Okinawa, one of the longest-lived and healthiest populations in the world, practice a principle they call hara hachi bu: Eat until you are 80 percent full.

I realize that at a certain point if we're going to change our food system, it's going to be the next generation that's going to be critical. This generation is very interested in food issues, very concerned about things like animal welfare and the impact of the food system on the environment.

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.

Eat more like the French. Or the Japanese. Or the Italians. Or the Greeks.

Without the potatoe, the balance of European power might never have tilted north

People say they don't have time to cook, yet in the last few years we have found an extra two hours a day for the internet.

Shake the hand that feeds you.