In the late 1960s, there were alarming predictions that worldwide famine was around the corner. I wondered if humans had already lost the race, overrun the Earth's capacity. I let one question lead to the next, and unearthed information that would forever change my life: Not only is there enough food in the world to feed every man, woman, and child on Earth, there is enough to make us all chubby.

Fear doesn't have to stop us.

I think we are at a new evolutionary stage. We evolved in tight-knit tribes in which we faced death if we didn't have the support of the rest of the tribe.

In the late 1960s, there were alarming predictions that worldwide famine was around the corner. I wondered if humans had already lost the race, overrun the Earth's capacity. I let one question lead to the next, and unearthed information that would forever change my life: Not only is there enough food in the world to feed every man, woman, and child on Earth, there is enough to make us all chubby.

We can't see ahead of time what actions are going to be the ones that move history in dramatic ways.

We hear, "Oh, we need to patent GMOs and develop new strains and new chemicals because Nature can't provide what we need." I have to debate people all the time who say that Nature can't provide enough.

in a world where only a minor portion of the land is really well suited to agriculture, man is using much of the best land with dubious efficiency.