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To: hdl who wrote (161113)9/27/2000 9:13:46 AM
From: hdl  Respond to of 176387
 
OT -a 1995 U.S. Supreme Court case cites Palsgraf on the issue.
Proximate causation is not a concept susceptible of precise definition. See Keeton, supra, at 280–281. It is easy enough, of course, to identify the extremes. The farmer whose fertilizer is lifted by tornado from tilled fields and deposited miles away in a wildlife refuge cannot, by any stretch of the term, be considered the proximate cause of death or injury to protected species occasioned thereby. At the same time, the landowner who drains a pond on his property, killing endangered fish in the process, would likely satisfy any formulation of the principle. We have recently said that proximate causation "normally eliminates the bizarre," Jerome B. Grubart, Inc. v. Great Lakes Dredge & Dock Co., 513 U. S. ___, ___ (1995) (slip op., at 9), and have noted its "functionally equivalent" alternative characterizations in terms of foreseeability, see Milwaukee & St. Paul R. Co. v. Kellogg, 94 U. S. 469, 475 (1877) ("natural and probable consequence"), and duty, see Palsgraf v. Long Island R. Co., 248 N. Y. 339, 162 N. E. 99 (1928). Consolidated Rail Corp. v. Gottshall, 512 U. S. ___, ___ (1994) (slip op., at 13). Proximate causation depends to a great extent on considerations of the fairness of imposing liability for remote consequences. The task of determining whether proximate causation exists in the limitless fact patterns sure to arise is best left to lower courts. But I note, at the least, that proximate cause principles inject a foreseeability element into the statute, and hence, the regulation, that would appear to alleviate some of the problems noted by the dissent. See, e. g., post, at 8 (describing "a farmer who tills his field and causes erosion that makes silt run into a nearby river which depletes oxygen and thereby [injures] protected fish").
In my view, then, the "harm" regulation applies where significant habitat modification, by impairing essential behaviors, proximately (foreseeably) causes actual death or injury to identifiable animals that are protected under the Endangered Species Act. Pursuant to my interpretation, Palila II–-under which the Court of Appeals held that a state agency committed a "taking" by permitting feral sheep to eat mamane-naio seedlings that, when full-grown, might have fed and sheltered endangered palila—was wrongly decided according to the regulation's own terms. Destruction of the seedlings did not proximately cause actual death or injury to identifiable birds; it merely prevented the regeneration of forest land not currently inhabited by actual birds.