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.

Oil companies have gas stations. There's this whole huge structure that is about finding a new liquid for the tank. And the idea that maybe there shouldn't be a liquid, that maybe the best is an electrical grid, a sustainably powered electrical grid that we all plug into, that doesn't sit well with oil companies.

Seeds have the power to preserve species, to enhance cultural as well as genetic diversity, to counter economic monopoly and to check the advance of conformity on all its many fronts.

There are certain products that it's worth buying organic just because the alternatives have so much pesticide. There's a list of the dirty dozen that you can get off the Web. Strawberries, potatoes. A handful of crops that have very high pesticide residues if you don't buy organic. If you eat that a lot, that's a good place to invest.

When you go to the grocery store, you find that the cheapest calories are the ones that are going to make you the fattest - the added sugars and fats in processed foods.

What the Soviet Union was to the ideology of Marxism, the Low-Fat Campaign is to the ideology of nutritionism—its supreme test and, as now is coming clear, its most abject failure.

Organic Oreos are not a health food. When Coca-Cola begins selling organic Coke, as it surely will, the company will have struck a blow for the environment perhaps, but not for our health. Most consumers automatically assume that the word "organic" is synomymous with health, but it makes no difference to your insulin metabolism if the high-fructose corn syrup in your soda is organic.