It has become much harder, in the past century, to tell where the garden leaves off and pure nature begins.

The wonderful thing about food is you get three votes a day. Every one of them has the potential to change the world.

The big journals and Nobel laureates are the equivalent of Congressional leaders in science journalism.

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.

Everything we eat begins with a plant turning solar energy into carbohydrates. Everything. Whether we're eating meat or eating vegetables, it all begins there. So I'm always interested in taking things back to the beginning.

Corn is an efficient way to get energy calories off the land and soybeans are an efficient way of getting protein off the land, so we've designed a food system that produces a lot of cheap corn and soybeans resulting in a lot of cheap fast food.

For at the same time many people seem eager to extend the circle of our moral consideration to animals, in our factory farms and laboratories we are inflicting more suffering on more animals than at any time in history.