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iologists are nearly unanimous in their belief that humanity is in the process of extirpating a significant portion of the earth's species. The ways in which we are doing so reflect the magnitude and scale of human enterprise. Everything from highway construction to cattle ranching to leaky bait buckets has been implicated in the demise or endangerment of particular species. According to To these categories may be added a fifth, pollution, although it can also be considered a form of habitat destruction.
Wilcove et al. (Sat,) studied this question.