The Wealth of Nature

Abstract
Whoever made the dollar bill green had a right instinct. There is a connection, profound and yet so easy to ignore, between the money in our pocket and the green earth, though the connection is more than color. The dollar bill needs paper, which is to say it needs trees, just as our wealth in general derives from nature, from the forest, the earth and waters, the soil. That these are all limited and finite is easy to see, and so also must be wealth; it can never be unlimited, though it can be expanded and multiplied by human ingenuity. Somewhere on the dollar bill that message might be printed, a warning that you hold in your hand a piece of the limited earth that should be handled with respect: “In God we trust; on nature we must depend.” The public is beginning to understand that connection in at least a rudimentary way and to realize that taking better care of the earth will cost money, will lower the standard of living as it is conventionally defined, and will interfere with freedom of enterprise. By the evidence of opinion polls, something like three out of four Americans say they are ready to accept those costs, a remarkable development in our history. The same can be said for almost every other nation on earth, even the poorest, who are learning that, in their own long-term self-interest, the preservation of nature is a cost they ought to pay, though they may demand that the rich nations assume some of the cost. Having money in one’s pocket, no matter how green its color, is no longer the unexamined good it once was. Many have come to realize that wealth might be a kind of poverty. The human species, according to a team of Stanford biologists, is now consuming or destroying 40 percent of the net primary terrestrial production of the planet: that is nearly one half of all the energy fixed by photosynthesis on the land. We are harvesting it, drastically reorganizing it, or losing it through urbanization and desertification in order to support our growing numbers and even faster growing demands.

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