A Sand County Almanac: With Essays on Conservation from Round RiverA Sand County Almanac: With Essays on Conservation from Round River by Aldo Leopold

My rating: 4 of 5 stars

What a dull world if we knew all about geese!

Nature is refreshing. Even a short walk in a park can powerfully clear one’s head. For whatever reason—perhaps because our ancestors lived in trees—surrounding oneself with birches and maples produces in nearly everyone feelings of warmth, comfort, and peace. And for many people, nature is more than refreshing: it is awe-inspiring, even divine. Natural environments are, for some, more uplifting than cathedrals. Emerson might have captured this strain of mystical naturalism best:

In the woods, we return to reason and faith. … Standing on the bare ground,—my head bathed by the blithe air, and uplifted into infinite spaces,—all mean egotism vanishes. I become a transparent eye-ball; I am nothing; I see all; the currents of the Universal Being flow through me; I am part or particle of God.

I myself have had comparable experiences in the woods. Yet both Emerson and I are pure amateurs next to Aldo Leopold.

Leopold was a pioneering conservationist and forester. He was also a superlative writer, and in this brief book he covers a lot of ground. He begins with a month-by-month account of Sand County, a poor farming region in Wisconsin. This was my favorite section, since Leopold’s sensitivity to his environment is nearly superhuman. He has a keen sense of both the history of environments—how they change with the seasons, how they have evolved through time, how they have been warped by human activity—and the close-knit interdependence of ecosystems, how each organism shapes and is shaped by every other organism, forming a perfect whole.

As a stylist, he manages to be lyrical and poetic while sticking scrupulously to what he sees and hears. His sentences are short, his diction simple, and yet he manages to evoke a densely complex ecosystem. This is because, unlike Emerson or I—and more so than Thoreau—Leopold really understood his environment. He can name every species of plant, and tell what soils they prefer and what plants they like as neighbors. He can identify every bird by its call, and knows where it roosts, what it eats, when it migrates, and how it mates. Scratches on a tree tell him a deer is nearby, his antlers fully grown; the footprints in snow tell him a skunk has passed, and how recently.

All this is described with exquisite sensitivity, but no romantic embellishment. To borrow a phrase from E.B. White, Leopold had discovered “the eloquence of facts.” And, like White, Thoreau, and Emerson, his writing has a pleasing, folksy, rambling, ambling quality, wherein each sentence is nailed to the next one at an oblique angle.

In the rest of the book, Leopold puts forward a new philosophy of conservation. This train of thought reminded my very much of another book I read recently, The Death and Life of Great American Cities. In that book, Jane Jacobs explains how top-down approaches to city planning killed neighborhood vitality. Just so, when Leopold was a young man in the forestry service, he participated in the policy of removing predators—bears, wolves, and mountain lions—to protect livestock and to increase the supply of hunting animals, like deer. When hunting became necessary to control population, parks began building more and more roads to make access easier; and meanwhile the exploding deer population prevented new trees from growing. Thus the park was encroached upon by cars, and the ecosystem thrown off balance—in the same way that blindly building highways and public housing can destroy neighborhoods.

Leopold was, I believe, one of the first to popularize the idea that ecosystems act like one giant organism, with a delicate balance of cooperating and competing components. Every healthy ecosystem is a harmony that cannot be disturbed without unpredictable results. To again borrow from Jacobs, an ecosystem—like a city economy or a human brain—is an example of “organized complexity.” Thus ecosystems baffle attempts to understand them by thinking of their components separately, as a collection of individual species, or even statistically, as the average behavior of interchangeable parts. Complexity like this tends to be a product of historical growth, with each distinct component making minute adjustments to each other in a dense network of influence. Leopold doesn’t say this in so many words; but he does something even more impressive: he illustrates this quality using short anecdotes and schoolboy vocabulary.

His most philosophic contribution to the environmental movement is what he called a “land ethic.” Previous arguments for conservation were couched in terms of expediency: how national parks and nature reserves could benefit us economically. Leopold believed that this approach was too narrow; since hunting lodges and mechanized farms are always more profitable in the short term, this would eventually result in the destruction of wild ecosystems and the disappearance of species. We needed to move beyond arguments of expediency and see the land—and everything on it—as valuable for its own sake. Leopold believed that we had an ethical duty to preserve ecosystems and all their species, and that the aesthetic reward of wild nature was more valuable than dollars and cents could measure.

I want to go along with this, but I thought that Leopold was unsatisfyingly vague in this direction. It is simply not enough to say that we have an ethical duty to preserve nature; this is quite a claim, and requires quite a bit of argument. Further, aesthetic value seems like a slender reed to rest on. For every Emerson and Thoreau, there is a Babbitt whose tastes are not so refined. To his credit, Leopold does argue that a great part of conservation must consist in elevating the public taste in nature. Otherwise, conservation will consist of little more than the government using tax dollars to purchase large swaths of land. Individuals must see the value in wilderness and actively participate in preserving it. But molding tastes is no easy thing; and, more importantly, if we are to do so, there must be compelling reasons to do it.

The most compelling reasons for conservation are, I believe, expediency—but expediency in the widest sense. The difference between folly and wisdom is not that the former is preoccupied with expediency and the latter higher things; it is that wisdom considers what is expedient on a grander scale. Leopold comes close to making this same argument. He was, for example, ahead of his time in being deeply concerned about extinction. Every time a species disappears it is an irreplaceable loss; and considering that our medicine partly depends on new discoveries, extinctions may have terrible consequences for us down the line. (I saw a PBS special the other day about scientists trying to discover new antibiotics by shifting through raw soil.) Since Leopold’s day—long before Silent Spring or An Incovenient Truth—we have learned plenty more ways that environmental destruction can be equivalent to self-destruction.

Carping aside, this is a deeply satisfying book: lyrical, descriptive, educational, and innovative. Leopold realized what Orwell also realized: that winning converts requires both argument and propaganda. He does not only argue for the value of nature, but he really captures the beauty of unspoiled environments and serves it up for his readers’ consideration. We are not only convinced, but seduced. This is propaganda in its noblest form—propaganda on behalf of nature.

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