Michael Pollan: A plant's-eye view

216,513 views ・ 2008-02-07

TED


Please double-click on the English subtitles below to play the video.

00:18
It's a simple idea about nature.
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I want to say a word for nature
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because we haven't talked that much about it the last couple days.
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I want to say a word for the soil and the bees and the plants and the animals,
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and tell you about a tool, a very simple tool that I have found.
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Although it's really nothing more than a literary conceit; it's not a technology.
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It's very powerful for, I think, changing our relationship to the natural world
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and to the other species on whom we depend.
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And that tool is very simply, as Chris suggested,
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looking at us and the world from the plants' or the animals' point of view.
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It's not my idea, other people have hit on it,
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but I've tried to take it to some new places.
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Let me tell you where I got it.
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Like a lot of my ideas, like a lot of the tools I use,
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01:09
I found it in the garden; I'm a very devoted gardener.
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And there was a day about seven years ago: I was planting potatoes,
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it was the first week of May --
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this is New England, when the apple trees are just vibrating with bloom;
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they're just white clouds above.
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I was here, planting my chunks,
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cutting up potatoes and planting it,
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and the bees were working on this tree;
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bumblebees, just making this thing vibrate.
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And one of the things I really like about gardening
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is that it doesn't take all your concentration,
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you really can't get hurt -- it's not like woodworking --
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and you have plenty of kind of mental space for speculation.
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And the question I asked myself that afternoon in the garden,
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working alongside that bumblebee,
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was: what did I and that bumblebee have in common?
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How was our role in this garden similar and different?
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And I realized we actually had quite a bit in common:
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both of us were disseminating the genes of one species and not another,
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and both of us -- probably, if I can imagine the bee's point of view --
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thought we were calling the shots.
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I had decided what kind of potato I wanted to plant --
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I had picked my Yukon Gold or Yellow Finn, or whatever it was --
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and I had summoned those genes from a seed catalog across the country,
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brought it, and I was planting it.
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And that bee, no doubt, assumed that it had decided,
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"I'm going for that apple tree, I'm going for that blossom,
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I'm going to get the nectar and I'm going to leave."
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We have a grammar that suggests that's who we are;
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that we are sovereign subjects in nature, the bee as well as me.
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I plant the potatoes, I weed the garden, I domesticate the species.
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But that day, it occurred to me:
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what if that grammar is nothing more than a self-serving conceit?
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Because, of course, the bee thinks he's in charge or she's in charge,
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but we know better.
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We know that what's going on between the bee and that flower
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is that bee has been cleverly manipulated by that flower.
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And when I say manipulated, I'm talking about in a Darwinian sense, right?
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I mean it has evolved a very specific set of traits --
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color, scent, flavor, pattern -- that has lured that bee in.
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And the bee has been cleverly fooled into taking the nectar,
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and also picking up some powder on its leg,
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and going off to the next blossom.
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The bee is not calling the shots.
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And I realized then, I wasn't either.
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I had been seduced by that potato and not another
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into planting its -- into spreading its genes, giving it a little bit more habitat.
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And that's when I got the idea, which was, "Well, what would happen
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if we kind of looked at us from this point of view of these other species who are working on us?"
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And agriculture suddenly appeared to me not as an invention, not as a human technology,
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but as a co-evolutionary development
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in which a group of very clever species, mostly edible grasses, had exploited us,
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figured out how to get us to basically deforest the world.
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The competition of grasses, right?
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And suddenly everything looked different.
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And suddenly mowing the lawn that day was a completely different experience.
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I had thought always -- and in fact, had written this in my first book;
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this was a book about gardening --
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that lawns were nature under culture's boot,
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that they were totalitarian landscapes,
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and that when we mowed them we were cruelly suppressing the species
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and never letting it set seed or die or have sex.
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And that's what the lawn was.
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But then I realized, "No, this is exactly what the grasses want us to do.
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I'm a dupe. I'm a dupe of the lawns, whose goal in life is to outcompete the trees,
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who they compete with for sunlight."
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And so by getting us to mow the lawn, we keep the trees from coming back,
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which in New England happens very, very quickly.
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So I started looking at things this way
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and wrote a whole book about it called "The Botany of Desire."
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And I realized that in the same way you can look at a flower
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and deduce all sorts of interesting things about the taste and the desires of bees --
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that they like sweetness, that they like this color and not that color, that they like symmetry --
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what could we find out about ourselves by doing the same thing?
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That a certain kind of potato, a certain kind of drug,
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a sativa-indica Cannabis cross has something to say about us.
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And that, wouldn't this be kind of an interesting way to look at the world?
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Now, the test of any idea -- I said it was a literary conceit --
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is what does it get us?
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And when you're talking about nature, which is really my subject as a writer,
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how does it meet the Aldo Leopold test?
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Which is, does it make us better citizens of the biotic community?
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Get us to do things that leads to the support and perpetuation of the biota,
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rather than its destruction?
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And I would submit that this idea does this.
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So, let me go through what you gain when you look at the world this way,
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besides some entertaining insights about human desire.
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As an intellectual matter, looking at the world from other species' points of view
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helps us deal with this weird anomaly,
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which is -- and this is in the realm of intellectual history --
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which is that we have this Darwinian revolution 150 years ago ...
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Ugh. Mini-Me. (Laughter)
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We have this intellectual, this Darwinian revolution in which, thanks to Darwin,
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we figured out we are just one species among many;
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evolution is working on us the same way it's working on all the others;
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we are acted upon as well as acting;
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we are really in the fiber, the fabric of life.
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But the weird thing is, we have not absorbed this lesson 150 years later;
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none of us really believes this.
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We are still Cartesians -- the children of Descartes --
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who believe that subjectivity, consciousness, sets us apart;
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that the world is divided into subjects and objects;
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that there is nature on one side, culture on another.
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As soon as you start seeing things from the plant's point of view or the animal's point of view,
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you realize that the real literary conceit is that --
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is the idea that nature is opposed to culture,
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the idea that consciousness is everything --
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and that's another very important thing it does.
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Looking at the world from other species' points of view
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is a cure for the disease of human self-importance.
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You suddenly realize that consciousness --
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which we value and we consider
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the crowning achievement of nature,
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human consciousness -- is really just another set of tools for getting along in the world.
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And it's kind of natural that we would think it was the best tool.
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But, you know, there's a comedian who said,
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"Well, who's telling me that consciousness is so good and so important?
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Well, consciousness."
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So when you look at the plants, you realize that there are other tools
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and they're just as interesting.
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I'll give you two examples, also from the garden:
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lima beans. You know what a lima bean does when it's attacked by spider mites?
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It releases this volatile chemical that goes out into the world
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and summons another species of mite
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that comes in and attacks the spider mite, defending the lima bean.
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So what plants have -- while we have consciousness, tool making, language,
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they have biochemistry.
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And they have perfected that to a degree far beyond what we can imagine.
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Their complexity, their sophistication, is something to really marvel at,
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and I think it's really the scandal of the Human Genome Project.
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You know, we went into it thinking, 40,000 or 50,000 human genes
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and we came out with only 23,000.
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Just to give you grounds for comparison, rice: 35,000 genes.
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So who's the more sophisticated species?
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Well, we're all equally sophisticated.
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We've been evolving just as long,
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just along different paths.
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So, cure for self-importance, way to sort of make us feel the Darwinian idea.
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And that's really what I do as a writer, as a storyteller,
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is try to make people feel what we know and tell stories that actually
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help us think ecologically.
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Now, the other use of this is practical.
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And I'm going to take you to a farm right now,
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because I used this idea to develop my understanding of the food system
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and what I learned, in fact, is that we are all, now, being manipulated by corn.
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And the talk you heard about ethanol earlier today,
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to me, is the final triumph of corn over good sense. (Laughter) (Applause)
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It is part of corn's scheme for world domination.
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(Laughter)
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And you will see, the amount of corn planted this year will be up dramatically from last year
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and there will be that much more habitat
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because we've decided ethanol is going to help us.
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So it helped me understand industrial agriculture,
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which of course is a Cartesian system.
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It's based on this idea that we bend other species to our will
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and that we are in charge, and that we create these factories
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and we have these technological inputs and we get the food out of it
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or the fuel or whatever we want.
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Let me take you to a very different kind of farm.
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This is a farm in the Shenandoah Valley of Virginia.
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I went looking for a farm where these ideas
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about looking at things from the species' point of view are actually implemented,
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and I found it in a man. The farmer's name is Joel Salatin.
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And I spent a week as an apprentice on his farm,
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and I took away from this some of the most hopeful news about our relationship to nature
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that I've ever come across in 25 years of writing about nature.
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And that is this:
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the farm is called Polyface, which means ...
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the idea is he's got six different species of animals, as well as some plants,
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growing in this very elaborate symbiotic arrangement.
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It's permaculture, those of you who know a little bit about this,
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such that the cows and the pigs and the sheep and the turkeys and the ...
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what else does he have?
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All the six different species -- rabbits, actually --
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are all performing ecological services for one another,
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such that the manure of one is the lunch for the other
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and they take care of pests for one another.
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It's a very elaborate and beautiful dance,
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but I'm going to just give you a close-up on one piece of it,
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and that is the relationship between his cattle and his chickens, his laying hens.
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And I'll show you, if you take this approach, what you get, OK?
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And this is a lot more than growing food, as you'll see;
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this is a different way to think about nature
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and a way to get away from the zero-sum notion,
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the Cartesian idea that either nature's winning or we're winning,
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and that for us to get what we want, nature is diminished.
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So, one day, cattle in a pen.
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The only technology involved here is this cheap electric fencing:
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relatively new, hooked to a car battery;
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even I could carry a quarter-acre paddock, set it up in 15 minutes.
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Cows graze one day. They move, OK?
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They graze everything down, intensive grazing.
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He waits three days,
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and then we towed in something called the Eggmobile.
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The Eggmobile is a very rickety contraption --
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it looks like a prairie schooner made out of boards --
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but it houses 350 chickens.
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He tows this into the paddock three days later and opens the gangplank,
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turns them down, and 350 hens come streaming down the gangplank --
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clucking, gossiping as chickens will --
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and they make a beeline for the cow patties.
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And what they're doing is very interesting:
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they're digging through the cow patties
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for the maggots, the grubs, the larvae of flies.
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And the reason he's waited three days
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is because he knows that on the fourth day or the fifth day, those larvae will hatch
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and he'll have a huge fly problem.
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But he waits that long to grow them as big and juicy and tasty as he can
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because they are the chickens' favorite form of protein.
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So the chickens do their kind of little breakdance
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and they're pushing around the manure to get at the grubs,
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and in the process they're spreading the manure out.
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Very useful second ecosystem service.
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And third, while they're in this paddock
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they are, of course, defecating madly
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and their very nitrogenous manure is fertilizing this field.
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They then move out to the next one,
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and in the course of just a few weeks, the grass just enters this blaze of growth.
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And within four or five weeks, he can do it again.
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He can graze again, he can cut, he can bring in another species,
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like the lambs, or he can make hay for the winter.
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Now, I want you to just look really close up onto what's happened there.
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So, it's a very productive system.
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And what I need to tell you is that on 100 acres
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he gets 40,000 pounds of beef; 30,000 pounds of pork; 25,000 dozen eggs;
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20,000 broilers; 1,000 turkeys; 1,000 rabbits --
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an immense amount of food.
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You know, you hear, "Can organic feed the world?"
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Well, look how much food you can produce on 100 acres if you do this kind of ...
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again, give each species what it wants,
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let it realize its desires, its physiological distinctiveness.
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Put that in play.
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But look at it from the point of view of the grass, now.
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What happens to the grass when you do this?
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When a ruminant grazes grass, the grass is cut from this height to this height,
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and it immediately does something very interesting.
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Any one of you who gardens knows that there is something called the root-shoot ratio,
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and plants need to keep the root mass
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in some rough balance with the leaf mass to be happy.
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So when they lose a lot of leaf mass, they shed roots;
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they kind of cauterize them and the roots die.
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And the species in the soil go to work
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basically chewing through those roots, decomposing them --
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the earthworms, the fungi, the bacteria -- and the result is new soil.
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This is how soil is created.
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It's created from the bottom up.
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This is how the prairies were built,
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the relationship between bison and grasses.
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And what I realized when I understood this --
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and if you ask Joel Salatin what he is, he'll tell you he's not a chicken farmer,
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he's not a sheep farmer, he's not a cattle rancher; he's a grass farmer,
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because grass is really the keystone species of such a system --
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is that, if you think about it, this completely contradicts the tragic idea of nature we hold in our heads,
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which is that for us to get what we want, nature is diminished.
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More for us, less for nature.
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Here, all this food comes off this farm, and at the end of the season
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there is actually more soil, more fertility and more biodiversity.
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It's a remarkably hopeful thing to do.
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There are a lot of farmers doing this today.
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This is well beyond organic agriculture,
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which is still a Cartesian system, more or less.
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And what it tells you is that if you begin to take account of other species,
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take account of the soil, that even with nothing more than this perspectival idea
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-- because there is no technology involved here except for those fences,
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which are so cheap they could be all over Africa in no time --
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that we can take the food we need from the Earth
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and actually heal the Earth in the process.
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This is a way to reanimate the world,
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and that's what's so exciting about this perspective.
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When we really begin to feel Darwin's insights in our bones,
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the things we can do with nothing more than these ideas
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are something to be very hopeful about.
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Thank you very much.
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About this website

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