We need to create incentives for our ranchers and farmers to manage their lands to maximize carbon sequestration.

Wrangham cites several studies indicating that in fact humans don't do well on raw food: they can't maintain their body weight, and half of the women on a raw-food regimen stop menstruating. Devotees of raw food rely heavily on juicers and blenders, because otherwise they would have to spend as much time chewing as the chimps do. It is difficult, if not impossible, to extract sufficient energy from unprocessed plant matter to power a body with such a big, hungry brain.

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.

Avoid foods you see advertised on television.

Without such a thing as fast food, there would be no need for slow food.

Eat slowly, with other people whenever possible, and always with pleasure.

California’s Proposition 37, which would require that genetically modified (G.M.) foods carry a label, has the potential to do just that - to change the politics of food not just in California but nationally too.