The core argument on the paradox of wealth here was first introduced in a paper by both authors, entitled "Marx's Ecology in the Twenty-First Century," presented by Clark at the International Symposium on Ecological Civilization, Sanya, Hainan, China, June 23, 2009.

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Today orthodox economics is reputedly being harnessed to an entirely new end: saving the planet from the ecological destruction wrought by capitalist expansion. It promises to accomplish this through the further expansion of capitalism itself, cleared of its excesses and excrescences. A growing army of self-styled "sustainable developers" argues that there is no contradiction between the unlimited accumulation of capital — the credo of economic liberalism from Adam Smith to the present — and the preservation of the earth. The system can continue to expand by creating a new "sustainable capitalism," bringing the efficiency of the market to bear on nature and its reproduction. In reality, these visions amount to little more than a renewed strategy for profiting on planetary destruction.

Behind this tragedy-cum-farce is a distorted accounting deeply rooted in the workings of the system that sees wealth entirely in terms of value generated through exchange. In such a system, only commodities for sale on the market really count. External nature — water, air, living species — outside this system of exchange is viewed as a "free gift." Once such blinders have been put on, it is possible to speak, as the leading U.S. climate economist William Nordhaus has, of the relatively unhindered growth of the economy a century or so from now, under conditions of business as usual — despite the fact that leading climate scientists see following the identical path over the same time span as absolutely catastrophic both for human civilization and life on the planet as a whole.