Rule No. 12: shop the peripheries of the supermarket and stay out of the middle.

You are what what you eat eats.

Eat foods made from ingredients that you can picture in their raw state or growing in nature.

In a way, the most morally troubling thing about killing chickens is that after a while it is no longer morally troubling.

A lawn is nature under totalitarian rule.

Fairness forces you - even when you're writing a piece highly critical of, say, genetically modified food, as I have done - to make sure you represent the other side as extensively and as accurately as you possibly can.

...A one-pound box of prewashed lettuce contains 80 calories of food energy. According to Cornell ecologist David Pimentel, growing, chilling, washing, packaging, and transporting that box of organic salad to a plate on the East Coast takes more than 4,600 calories of fossil fuel energy, or 57 calories of fossil fuel for every calorie of food.