I don't rule anything out, and I couldn't underscore more the importance of what YES! is doing to show that there are people who are pushing the edge of hope, who are stepping into the unknown and taking risks, because that will then enable others to do the same.

Nature is with us if we can learn how to align with it and not break the basic laws that generate life.

My children threw me a life line: "Return to your roots - food - and rewrite your first book, Diet for a Small Planet." I learned that if I could just show up, in this case, if I could just get myself out of bed, get to the computer in my tiny office at MIT, and start writing, help would start arriving.

When we say we have "hit the limits," we are saying that nature is the problem, when in fact the limits we have hit are the limits of destruction and waste, not nature.

Many families participate in the Community Supported Agriculture movement, which allows a family to buy shares in a farmer's produce so that they know where their food is coming from, and they can take their families out and see the farm and meet the farmer. That movement has helped create a new culture around food.

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."

Humans need to feel effective - to feel that we can "make a dent," as he puts it. So the art of living is to find expressions appropriate to our own uniqueness in which we can experience effectiveness.