First, let me say that Omnivore's Dilemma by Michael Pollan isn't a perfect book and most of the information is now common knowledge at least to those interested in food policy (though I think it was somewhat groundbreaking at the time it was written - or at the very least reached a new audience). We know that corn is subsidized and driving an unhealthy system where food is heavily processed an animals are treated poorly.
Even if you know most of this information though, this book is still one of the best books on the subject. It is well-organized, well-written, and thorough. And unless you are an expert, there are things you will learn. I thought I had a good general idea of our food system from reading articles (some by Pollan himself) and talking to friends. But there was enough new information it the book to keep me interested.
There were two parts of the book though that were new to me and were worth reading. First, his description of Polyface Farms was great. To see how an ultra sustainable farm can work is amazing. Each part of the farm supports the other parts. And what was truly great was that this type of farm requires a lot of thought and energy. It seems that the industrialization and mechanization of our farms has created a job that is less mentally stimulating than it used to be - not that smart people don't do it, but that so much is uniform and planned. A farm like this could in theory keep smart people from leaving the farm to more exciting jobs. It also shows how smart nature is and how easily things can work if you let nature do what it wants to do.
The second part that was really good and worth reading was Pollan's good discussion of utilitarian animal rights. As I have thought more about animal rights, I haven't always known what I meant or what I wanted. I know animals are not humans. They do not and should not have the same rights and get the same treatment. But I do not think therefore that animals have no rights and are entitled to no consideration about there well-being.
Pollan's description of Peter Singer's philosophy really hit home with me. While I knew animals shouldn't suffer unnecessary pain, I didn't know anything beyond that. Basically, Peter Singer believes that animals and humans should have equal consideration of their interests. Humans interests are different from a chickens interests, but both should be considered. Humans want shelter, health, freedom, and a good job. Chickens want to roost, nest, and have space to move around. Therefore we seek not only to see that chickens do not suffer, but that they are able to do the things a chicken wants to do.
Free range chickens - actual free range, not the definition created by the agribusinesses - seek to give this to chickens. And the same goes for grass-fed beef. Cows want to eat grass - that is what ruminants do. If we care about animal rights, we should let them do this.
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