Diane Wilson asked, "Why aren't people upset? Why aren't people protesting?" The mayor and county commissioners told her to keep quiet, and everybody else was afraid to speak out against the companies, which included some of the country's biggest chemical companies. There were even attempts on her life. Family members abandoned her, and certainly none of the other shrimpers stood with her.

What was so moving for [Diane Wilson], and also for me, is that she felt the Bay itself was like her grandmother. She said, "I don't think there's a woman alive who would give up fighting for her child, or her mother, or her grandmother."

After the journey around the world, writing Hope's Edge, I began to see that it is not possible to know what's possible - and therein lies our freedom.

You have increasing poverty and increasing wealth. Fine food is one way to dispense with a lot of money... It's understanding that our daily choices about food connect us to a worldwide economic system. And that economic system - not scarcity - creates worldwide hunger for millions of people.

The act of putting into your mouth what the earth has grown is perhaps your most direct interaction with the earth.

I read a book in the late 1990s called The Anatomy of Human Destructiveness, by Erich Fromm, and it had a profound impact on me. Fromm takes Descartes' statement, "I think, therefore I am" and changes it to "I effect, therefore I am."

Food has always been at the center of community bonding, of family life, and simple pleasure, but it is becoming more and more an obsession, a source of pain.