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My goal here is modest: I simply wish to defend the view that the moral commitment against knowing killing should play a role in decisions about environmental problems. In recent years, economic analysis has substantially succeeded in de-ethicizing environmental issues; this paper is part of an effort to re-ethicize them. In previous work, I have criticized the use of cost-benefit analysis in making decisions about the environment. One source of my criticism has been the mismatch between moral values and economic valuation. I have, however, tended to leave the moral values I have defended rather vaguely defined. In this paper, I wish to identify one very specific, deeply embedded moral value and to explain its incompatibility with cost-benefit analysis.

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14 N.Y.U. Envtl. L.J. 521-534 (2006)