No one imagined it would come to this. And no one can say how far it will go. In a recent scientific paper, a group led by the government biologist J. Michael Scott conceded that a fundamental belief behind so much conservation—that we can “save” a species by solving a particular problem it faces, then walk away and watch it thrive—is largely a delusion. “Right now,” Scott says, “nature is unable to stand on its own.” We’ve entered what some scientists are calling the Anthropocene—a new geologic epoch in which human activity, more than any other force, steers change on the planet. Just as
...more